DHGLRC sw_CreateContext(struct wgl_dc_data* dc_data)
{
struct sw_context* sw_ctx;
struct sw_framebuffer* fb = dc_data->sw_data;
struct dd_function_table mesa_drv_functions;
TNLcontext *tnl;
/* We use the mesa memory routines for this function */
sw_ctx = CALLOC_STRUCT(sw_context);
if(!sw_ctx)
return NULL;
/* Set mesa default functions */
_mesa_init_driver_functions(&mesa_drv_functions);
/* Override */
mesa_drv_functions.GetString = sw_get_string;
mesa_drv_functions.UpdateState = sw_update_state;
mesa_drv_functions.GetBufferSize = NULL;
/* Initialize the context */
if(!_mesa_initialize_context(&sw_ctx->mesa,
fb->gl_visual,
NULL,
&mesa_drv_functions,
(void *) sw_ctx))
{
ERR("Failed to initialize the mesa context.\n");
free(sw_ctx);
return NULL;
}
/* Initialize the "meta driver" */
_mesa_meta_init(&sw_ctx->mesa);
/* Initialize helpers */
if(!_swrast_CreateContext(&sw_ctx->mesa) ||
!_vbo_CreateContext(&sw_ctx->mesa) ||
!_tnl_CreateContext(&sw_ctx->mesa) ||
!_swsetup_CreateContext(&sw_ctx->mesa))
{
ERR("Failed initializing helpers.\n");
_mesa_free_context_data(&sw_ctx->mesa);
free(sw_ctx);
return NULL;
}
/* Wake up! */
_swsetup_Wakeup(&sw_ctx->mesa);
/* Use TnL defaults */
tnl = TNL_CONTEXT(&sw_ctx->mesa);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
/* To map the display into user memory */
sw_ctx->mesa.Driver.MapRenderbuffer = sw_MapRenderbuffer;
sw_ctx->mesa.Driver.UnmapRenderbuffer = sw_UnmapRenderbuffer;
return (DHGLRC)sw_ctx;
}
static struct st_context *
st_create_context_priv( GLcontext *ctx, struct pipe_context *pipe )
{
uint i;
struct st_context *st = CALLOC_STRUCT( st_context );
ctx->st = st;
st->ctx = ctx;
st->pipe = pipe;
/* state tracker needs the VBO module */
_vbo_CreateContext(ctx);
#if FEATURE_feedback || FEATURE_drawpix
st->draw = draw_create(); /* for selection/feedback */
/* Disable draw options that might convert points/lines to tris, etc.
* as that would foul-up feedback/selection mode.
*/
draw_wide_line_threshold(st->draw, 1000.0f);
draw_wide_point_threshold(st->draw, 1000.0f);
draw_enable_line_stipple(st->draw, FALSE);
draw_enable_point_sprites(st->draw, FALSE);
#endif
st->dirty.mesa = ~0;
st->dirty.st = ~0;
st->cso_context = cso_create_context(pipe);
st_init_atoms( st );
st_init_bitmap(st);
st_init_clear(st);
st_init_draw( st );
st_init_generate_mipmap(st);
st_init_blit(st);
for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
st->state.sampler_list[i] = &st->state.samplers[i];
/* we want all vertex data to be placed in buffer objects */
vbo_use_buffer_objects(ctx);
/* Need these flags:
*/
st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
st->ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE;
st->ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
st->pixel_xfer.cache = _mesa_new_program_cache();
/* GL limits and extensions */
st_init_limits(st);
st_init_extensions(st);
return st;
}
/* Create the device specific context.
*/
static GLboolean
fbCreateContext( const __GLcontextModes *glVisual,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate)
{
fbContextPtr fbmesa;
GLcontext *ctx, *shareCtx;
struct dd_function_table functions;
assert(glVisual);
assert(driContextPriv);
/* Allocate the Fb context */
fbmesa = (fbContextPtr) _mesa_calloc( sizeof(*fbmesa) );
if ( !fbmesa )
return GL_FALSE;
/* Init default driver functions then plug in our FBdev-specific functions
*/
_mesa_init_driver_functions(&functions);
init_core_functions(&functions);
/* Allocate the Mesa context */
if (sharedContextPrivate)
shareCtx = ((fbContextPtr) sharedContextPrivate)->glCtx;
else
shareCtx = NULL;
ctx = fbmesa->glCtx = _mesa_create_context(glVisual, shareCtx,
&functions, (void *) fbmesa);
if (!fbmesa->glCtx) {
_mesa_free(fbmesa);
return GL_FALSE;
}
driContextPriv->driverPrivate = fbmesa;
/* Create module contexts */
_swrast_CreateContext( ctx );
_vbo_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
_swsetup_Wakeup( ctx );
/* use default TCL pipeline */
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
}
_mesa_enable_sw_extensions(ctx);
return GL_TRUE;
}
GLFBDevContextPtr
glFBDevCreateContext( const GLFBDevVisualPtr visual, GLFBDevContextPtr share )
{
GLFBDevContextPtr ctx;
GLcontext *glctx;
struct dd_function_table functions;
ASSERT(visual);
ctx = CALLOC_STRUCT(GLFBDevContextRec);
if (!ctx)
return NULL;
/* build table of device driver functions */
_mesa_init_driver_functions(&functions);
functions.GetString = get_string;
functions.UpdateState = update_state;
functions.GetBufferSize = get_buffer_size;
functions.Viewport = viewport;
if (!_mesa_initialize_context(&ctx->glcontext, &visual->glvisual,
share ? &share->glcontext : NULL,
&functions, (void *) ctx)) {
free(ctx);
return NULL;
}
ctx->visual = visual;
/* Create module contexts */
glctx = (GLcontext *) &ctx->glcontext;
_swrast_CreateContext( glctx );
_vbo_CreateContext( glctx );
_tnl_CreateContext( glctx );
_swsetup_CreateContext( glctx );
_swsetup_Wakeup( glctx );
/* use default TCL pipeline */
{
TNLcontext *tnl = TNL_CONTEXT(glctx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
}
_mesa_enable_sw_extensions(glctx);
_mesa_enable_1_3_extensions(glctx);
_mesa_enable_1_4_extensions(glctx);
_mesa_enable_1_5_extensions(glctx);
_mesa_enable_2_0_extensions(glctx);
_mesa_enable_2_1_extensions(glctx);
return ctx;
}
ggi_mesa_context_t ggiMesaCreateContext(ggi_visual_t vis)
{
ggi_mesa_context_t ctx;
int err;
GGIMESADPRINT_CORE("ggiMesaCreateContext() called\n");
ctx = (ggi_mesa_context_t)malloc(sizeof(struct ggi_mesa_context));
if (!ctx)
return NULL;
ctx->ggi_visual = vis;
ctx->color = 0;
ctx->gl_ctx =
_mesa_create_context(&(LIBGGI_MESAEXT(vis)->mesa_visual.gl_visual),
NULL, (void *) ctx, GL_FALSE);
if (!ctx->gl_ctx)
goto free_context;
_mesa_enable_sw_extensions(ctx->gl_ctx);
_swrast_CreateContext(ctx->gl_ctx);
_vbo_CreateContext(ctx->gl_ctx);
_tnl_CreateContext(ctx->gl_ctx);
_swsetup_CreateContext(ctx->gl_ctx);
gl_ggiSetupPointers(ctx->gl_ctx);
/* Make sure that an appropriate sublib has been loaded */
if (!LIBGGI_MESAEXT(ctx->ggi_visual)->setup_driver){
GGIMESADPRINT_CORE("setup_driver==NULL!\n");
GGIMESADPRINT_CORE("Please check your config files!\n");
goto free_context;
}
/* Set up the sublib driver */
err = LIBGGI_MESAEXT(ctx->ggi_visual)->setup_driver(ctx);
if (err){
GGIMESADPRINT_CORE("setup_driver failed (err = %d)", err);
goto free_gl_context;
}
return ctx;
free_gl_context:
_mesa_destroy_context(ctx->gl_ctx);
free_context:
free(ctx);
return NULL;
}
static GLboolean
CreateContext(void)
{
struct dd_function_table ddFuncs;
GLvisual *vis;
GLframebuffer *buf;
GLcontext *ctx;
CompilerContext *cc;
vis = _mesa_create_visual(GL_FALSE, GL_FALSE, /* RGB */
8, 8, 8, 8, /* color */
0, 0, /* z, stencil */
0, 0, 0, 0, 1); /* accum */
buf = _mesa_create_framebuffer(vis);
cc = calloc(1, sizeof(*cc));
if (!vis || !buf || !cc) {
if (vis)
_mesa_destroy_visual(vis);
if (buf)
_mesa_destroy_framebuffer(buf);
return GL_FALSE;
}
_mesa_init_driver_functions(&ddFuncs);
ddFuncs.GetString = NULL;/*get_string;*/
ddFuncs.UpdateState = UpdateState;
ddFuncs.GetBufferSize = NULL;
ctx = &cc->MesaContext;
_mesa_initialize_context(ctx, vis, NULL, &ddFuncs, cc);
_mesa_enable_sw_extensions(ctx);
if (!_swrast_CreateContext( ctx ) ||
!_vbo_CreateContext( ctx ) ||
!_tnl_CreateContext( ctx ) ||
!_swsetup_CreateContext( ctx )) {
_mesa_destroy_visual(vis);
_mesa_free_context_data(ctx);
free(cc);
return GL_FALSE;
}
TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
_swsetup_Wakeup( ctx );
/* Override the context's default pragma settings */
ctx->Shader.DefaultPragmas = Options.Pragmas;
_mesa_make_current(ctx, buf, buf);
return GL_TRUE;
}
GLboolean
nouveau_context_init(struct gl_context *ctx, gl_api api,
struct nouveau_screen *screen,
const struct gl_config *visual, struct gl_context *share_ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct dd_function_table functions;
int ret;
nctx->screen = screen;
nctx->fallback = HWTNL;
/* Initialize the function pointers. */
_mesa_init_driver_functions(&functions);
nouveau_driver_functions_init(&functions);
nouveau_bufferobj_functions_init(&functions);
nouveau_texture_functions_init(&functions);
nouveau_fbo_functions_init(&functions);
/* Initialize the mesa context. */
if (!_mesa_initialize_context(ctx, api, visual, share_ctx, &functions))
return GL_FALSE;
nouveau_state_init(ctx);
nouveau_scratch_init(ctx);
_mesa_meta_init(ctx);
_swrast_CreateContext(ctx);
_vbo_CreateContext(ctx);
_tnl_CreateContext(ctx);
nouveau_span_functions_init(ctx);
_mesa_allow_light_in_model(ctx, GL_FALSE);
/* Allocate a hardware channel. */
ret = nouveau_object_new(&context_dev(ctx)->object, 0xbeef0000,
NOUVEAU_FIFO_CHANNEL_CLASS,
&(struct nv04_fifo){
.vram = 0xbeef0201,
.gart = 0xbeef0202
}, sizeof(struct nv04_fifo), &nctx->hw.chan);
/* Create the device specific context.
*/
GLboolean r128CreateContext( const __GLcontextModes *glVisual,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate )
{
GLcontext *ctx, *shareCtx;
__DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
struct dd_function_table functions;
r128ContextPtr rmesa;
r128ScreenPtr r128scrn;
int i;
/* Allocate the r128 context */
rmesa = (r128ContextPtr) CALLOC( sizeof(*rmesa) );
if ( !rmesa )
return GL_FALSE;
/* Init default driver functions then plug in our Radeon-specific functions
* (the texture functions are especially important)
*/
_mesa_init_driver_functions( &functions );
r128InitDriverFuncs( &functions );
r128InitIoctlFuncs( &functions );
r128InitTextureFuncs( &functions );
/* Allocate the Mesa context */
if (sharedContextPrivate)
shareCtx = ((r128ContextPtr) sharedContextPrivate)->glCtx;
else
shareCtx = NULL;
rmesa->glCtx = _mesa_create_context(glVisual, shareCtx,
&functions, (void *) rmesa);
if (!rmesa->glCtx) {
FREE(rmesa);
return GL_FALSE;
}
driContextPriv->driverPrivate = rmesa;
ctx = rmesa->glCtx;
rmesa->driContext = driContextPriv;
rmesa->driScreen = sPriv;
rmesa->driDrawable = NULL;
rmesa->hHWContext = driContextPriv->hHWContext;
rmesa->driHwLock = &sPriv->pSAREA->lock;
rmesa->driFd = sPriv->fd;
r128scrn = rmesa->r128Screen = (r128ScreenPtr)(sPriv->private);
/* Parse configuration files */
driParseConfigFiles (&rmesa->optionCache, &r128scrn->optionCache,
r128scrn->driScreen->myNum, "r128");
rmesa->sarea = (drm_r128_sarea_t *)((char *)sPriv->pSAREA +
r128scrn->sarea_priv_offset);
rmesa->CurrentTexObj[0] = NULL;
rmesa->CurrentTexObj[1] = NULL;
(void) memset( rmesa->texture_heaps, 0, sizeof( rmesa->texture_heaps ) );
make_empty_list( & rmesa->swapped );
rmesa->nr_heaps = r128scrn->numTexHeaps;
for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) {
rmesa->texture_heaps[i] = driCreateTextureHeap( i, rmesa,
r128scrn->texSize[i],
12,
R128_NR_TEX_REGIONS,
(drmTextureRegionPtr)rmesa->sarea->tex_list[i],
&rmesa->sarea->tex_age[i],
&rmesa->swapped,
sizeof( r128TexObj ),
(destroy_texture_object_t *) r128DestroyTexObj );
driSetTextureSwapCounterLocation( rmesa->texture_heaps[i],
& rmesa->c_textureSwaps );
}
rmesa->texture_depth = driQueryOptioni (&rmesa->optionCache,
"texture_depth");
if (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FB)
rmesa->texture_depth = ( r128scrn->cpp == 4 ) ?
DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16;
rmesa->RenderIndex = -1; /* Impossible value */
rmesa->vert_buf = NULL;
rmesa->num_verts = 0;
RENDERINPUTS_ONES( rmesa->tnl_state_bitset );
/* Set the maximum texture size small enough that we can guarentee that
* all texture units can bind a maximal texture and have them both in
* texturable memory at once.
*/
ctx->Const.MaxTextureUnits = 2;
ctx->Const.MaxTextureImageUnits = 2;
ctx->Const.MaxTextureCoordUnits = 2;
driCalculateMaxTextureLevels( rmesa->texture_heaps,
rmesa->nr_heaps,
& ctx->Const,
4,
10, /* max 2D texture size is 1024x1024 */
0, /* 3D textures unsupported. */
0, /* cube textures unsupported. */
0, /* texture rectangles unsupported. */
11,
GL_FALSE,
0 );
/* No wide points.
*/
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSize = 1.0;
ctx->Const.MaxPointSizeAA = 1.0;
/* No wide lines.
*/
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 1.0;
ctx->Const.MaxLineWidthAA = 1.0;
ctx->Const.LineWidthGranularity = 1.0;
ctx->Const.MaxDrawBuffers = 1;
#if ENABLE_PERF_BOXES
rmesa->boxes = driQueryOptionb(&rmesa->optionCache, "performance_boxes");
#endif
/* Initialize the software rasterizer and helper modules.
*/
_swrast_CreateContext( ctx );
_vbo_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
/* Install the customized pipeline:
*/
/* _tnl_destroy_pipeline( ctx ); */
/* _tnl_install_pipeline( ctx, r128_pipeline ); */
/* Configure swrast and T&L to match hardware characteristics:
*/
_swrast_allow_pixel_fog( ctx, GL_FALSE );
_swrast_allow_vertex_fog( ctx, GL_TRUE );
_tnl_allow_pixel_fog( ctx, GL_FALSE );
_tnl_allow_vertex_fog( ctx, GL_TRUE );
driInitExtensions( ctx, card_extensions, GL_TRUE );
if (sPriv->drm_version.minor >= 4)
_mesa_enable_extension( ctx, "GL_MESA_ycbcr_texture" );
r128InitTriFuncs( ctx );
r128DDInitStateFuncs( ctx );
r128DDInitSpanFuncs( ctx );
r128DDInitState( rmesa );
driContextPriv->driverPrivate = (void *)rmesa;
#if DO_DEBUG
R128_DEBUG = driParseDebugString( getenv( "R128_DEBUG" ),
debug_control );
#endif
if (driQueryOptionb(&rmesa->optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D acceleration\n");
FALLBACK(rmesa, R128_FALLBACK_DISABLE, 1);
}
return GL_TRUE;
}
bool
intelInitContext(struct intel_context *intel,
int api,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate,
struct dd_function_table *functions)
{
struct gl_context *ctx = &intel->ctx;
struct gl_context *shareCtx = (struct gl_context *) sharedContextPrivate;
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = sPriv->driverPrivate;
int bo_reuse_mode;
struct gl_config visual;
/* we can't do anything without a connection to the device */
if (intelScreen->bufmgr == NULL)
return false;
/* Can't rely on invalidate events, fall back to glViewport hack */
if (!driContextPriv->driScreenPriv->dri2.useInvalidate) {
intel->saved_viewport = functions->Viewport;
functions->Viewport = intel_viewport;
}
if (mesaVis == NULL) {
memset(&visual, 0, sizeof visual);
mesaVis = &visual;
}
if (!_mesa_initialize_context(&intel->ctx, api, mesaVis, shareCtx,
functions)) {
printf("%s: failed to init mesa context\n", __FUNCTION__);
return false;
}
driContextPriv->driverPrivate = intel;
intel->intelScreen = intelScreen;
intel->driContext = driContextPriv;
intel->driFd = sPriv->fd;
intel->gen = intelScreen->gen;
const int devID = intelScreen->deviceID;
if (IS_SNB_GT1(devID) || IS_IVB_GT1(devID) || IS_HSW_GT1(devID))
intel->gt = 1;
else if (IS_SNB_GT2(devID) || IS_IVB_GT2(devID) || IS_HSW_GT2(devID))
intel->gt = 2;
else
intel->gt = 0;
if (IS_HASWELL(devID)) {
intel->is_haswell = true;
} else if (IS_G4X(devID)) {
intel->is_g4x = true;
} else if (IS_945(devID)) {
intel->is_945 = true;
}
if (intel->gen >= 5) {
intel->needs_ff_sync = true;
}
intel->has_separate_stencil = intel->intelScreen->hw_has_separate_stencil;
intel->must_use_separate_stencil = intel->intelScreen->hw_must_use_separate_stencil;
intel->has_hiz = intel->gen >= 6 && !intel->is_haswell;
intel->has_llc = intel->intelScreen->hw_has_llc;
intel->has_swizzling = intel->intelScreen->hw_has_swizzling;
memset(&ctx->TextureFormatSupported,
0, sizeof(ctx->TextureFormatSupported));
driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
sPriv->myNum, (intel->gen >= 4) ? "i965" : "i915");
if (intel->gen < 4)
intel->maxBatchSize = 4096;
else
intel->maxBatchSize = sizeof(intel->batch.map);
intel->bufmgr = intelScreen->bufmgr;
bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse");
switch (bo_reuse_mode) {
case DRI_CONF_BO_REUSE_DISABLED:
break;
case DRI_CONF_BO_REUSE_ALL:
intel_bufmgr_gem_enable_reuse(intel->bufmgr);
break;
}
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 5.0;
ctx->Const.MaxLineWidthAA = 5.0;
ctx->Const.LineWidthGranularity = 0.5;
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSize = 255.0;
ctx->Const.MaxPointSizeAA = 3.0;
ctx->Const.PointSizeGranularity = 1.0;
ctx->Const.MaxSamples = 1.0;
if (intel->gen >= 6)
ctx->Const.MaxClipPlanes = 8;
ctx->Const.StripTextureBorder = GL_TRUE;
/* reinitialize the context point state.
* It depend on constants in __struct gl_contextRec::Const
*/
_mesa_init_point(ctx);
if (intel->gen >= 4) {
ctx->Const.MaxRenderbufferSize = 8192;
} else {
ctx->Const.MaxRenderbufferSize = 2048;
}
/* Initialize the software rasterizer and helper modules.
*
* As of GL 3.1 core, the gen4+ driver doesn't need the swrast context for
* software fallbacks (which we have to support on legacy GL to do weird
* glDrawPixels(), glBitmap(), and other functions).
*/
if (intel->gen <= 3 || api != API_OPENGL_CORE) {
_swrast_CreateContext(ctx);
}
_vbo_CreateContext(ctx);
if (ctx->swrast_context) {
_tnl_CreateContext(ctx);
_swsetup_CreateContext(ctx);
/* Configure swrast to match hardware characteristics: */
_swrast_allow_pixel_fog(ctx, false);
_swrast_allow_vertex_fog(ctx, true);
}
_mesa_meta_init(ctx);
intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
intel->hw_stipple = 1;
/* XXX FBO: this doesn't seem to be used anywhere */
switch (mesaVis->depthBits) {
case 0: /* what to do in this case? */
case 16:
intel->polygon_offset_scale = 1.0;
break;
case 24:
intel->polygon_offset_scale = 2.0; /* req'd to pass glean */
break;
default:
assert(0);
break;
}
if (intel->gen >= 4)
intel->polygon_offset_scale /= 0xffff;
intel->RenderIndex = ~0;
intelInitExtensions(ctx);
INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
if (INTEL_DEBUG & DEBUG_BUFMGR)
dri_bufmgr_set_debug(intel->bufmgr, true);
if ((INTEL_DEBUG & DEBUG_SHADER_TIME) && intel->gen < 7) {
fprintf(stderr,
"shader_time debugging requires gen7 (Ivybridge) or better.\n");
INTEL_DEBUG &= ~DEBUG_SHADER_TIME;
}
if (INTEL_DEBUG & DEBUG_AUB)
drm_intel_bufmgr_gem_set_aub_dump(intel->bufmgr, true);
intel_batchbuffer_init(intel);
intel_fbo_init(intel);
intel->use_texture_tiling = driQueryOptionb(&intel->optionCache,
"texture_tiling");
intel->use_early_z = driQueryOptionb(&intel->optionCache, "early_z");
if (!driQueryOptionb(&intel->optionCache, "hiz")) {
intel->has_hiz = false;
/* On gen6, you can only do separate stencil with HIZ. */
if (intel->gen == 6)
intel->has_separate_stencil = false;
}
intel->prim.primitive = ~0;
/* Force all software fallbacks */
#ifdef I915
if (driQueryOptionb(&intel->optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D rasterization\n");
intel->no_rast = 1;
}
#endif
if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) {
fprintf(stderr, "flushing batchbuffer before/after each draw call\n");
intel->always_flush_batch = 1;
}
if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) {
fprintf(stderr, "flushing GPU caches before/after each draw call\n");
intel->always_flush_cache = 1;
}
return true;
}
/**
* New in Mesa 3.5
*
* Create context and specify size of ancillary buffers.
*/
GLAPI OSMesaContext GLAPIENTRY
OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
GLint accumBits, OSMesaContext sharelist )
{
OSMesaContext osmesa;
struct dd_function_table functions;
GLint rind, gind, bind, aind;
GLint redBits = 0, greenBits = 0, blueBits = 0, alphaBits =0;
rind = gind = bind = aind = 0;
if (format==OSMESA_RGBA) {
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
rind = 0;
gind = 1;
bind = 2;
aind = 3;
}
else if (format==OSMESA_BGRA) {
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
bind = 0;
gind = 1;
rind = 2;
aind = 3;
}
else if (format==OSMESA_ARGB) {
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
aind = 0;
rind = 1;
gind = 2;
bind = 3;
}
else if (format==OSMESA_RGB) {
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = 0;
rind = 0;
gind = 1;
bind = 2;
}
else if (format==OSMESA_BGR) {
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = 0;
rind = 2;
gind = 1;
bind = 0;
}
#if CHAN_TYPE == GL_UNSIGNED_BYTE
else if (format==OSMESA_RGB_565) {
redBits = 5;
greenBits = 6;
blueBits = 5;
alphaBits = 0;
rind = 0; /* not used */
gind = 0;
bind = 0;
}
#endif
else {
return NULL;
}
osmesa = (OSMesaContext) CALLOC_STRUCT(osmesa_context);
if (osmesa) {
osmesa->gl_visual = _mesa_create_visual( GL_FALSE, /* double buffer */
GL_FALSE, /* stereo */
redBits,
greenBits,
blueBits,
alphaBits,
depthBits,
stencilBits,
accumBits,
accumBits,
accumBits,
alphaBits ? accumBits : 0,
1 /* num samples */
);
if (!osmesa->gl_visual) {
free(osmesa);
return NULL;
}
/* Initialize device driver function table */
_mesa_init_driver_functions(&functions);
/* override with our functions */
functions.GetString = get_string;
functions.UpdateState = osmesa_update_state;
functions.GetBufferSize = NULL;
if (!_mesa_initialize_context(&osmesa->mesa,
API_OPENGL_COMPAT,
osmesa->gl_visual,
sharelist ? &sharelist->mesa
: (struct gl_context *) NULL,
&functions)) {
_mesa_destroy_visual( osmesa->gl_visual );
free(osmesa);
return NULL;
}
_mesa_enable_sw_extensions(&(osmesa->mesa));
_mesa_enable_1_3_extensions(&(osmesa->mesa));
_mesa_enable_1_4_extensions(&(osmesa->mesa));
_mesa_enable_1_5_extensions(&(osmesa->mesa));
_mesa_enable_2_0_extensions(&(osmesa->mesa));
_mesa_enable_2_1_extensions(&(osmesa->mesa));
osmesa->gl_buffer = _mesa_create_framebuffer(osmesa->gl_visual);
if (!osmesa->gl_buffer) {
_mesa_destroy_visual( osmesa->gl_visual );
_mesa_free_context_data( &osmesa->mesa );
free(osmesa);
return NULL;
}
/* Create depth/stencil/accum buffers. We'll create the color
* buffer later in OSMesaMakeCurrent().
*/
_swrast_add_soft_renderbuffers(osmesa->gl_buffer,
GL_FALSE, /* color */
osmesa->gl_visual->haveDepthBuffer,
osmesa->gl_visual->haveStencilBuffer,
osmesa->gl_visual->haveAccumBuffer,
GL_FALSE, /* alpha */
GL_FALSE /* aux */ );
osmesa->format = format;
osmesa->userRowLength = 0;
osmesa->yup = GL_TRUE;
osmesa->rInd = rind;
osmesa->gInd = gind;
osmesa->bInd = bind;
osmesa->aInd = aind;
_mesa_meta_init(&osmesa->mesa);
/* Initialize the software rasterizer and helper modules. */
{
struct gl_context *ctx = &osmesa->mesa;
SWcontext *swrast;
TNLcontext *tnl;
if (!_swrast_CreateContext( ctx ) ||
!_vbo_CreateContext( ctx ) ||
!_tnl_CreateContext( ctx ) ||
!_swsetup_CreateContext( ctx )) {
_mesa_destroy_visual(osmesa->gl_visual);
_mesa_free_context_data(ctx);
free(osmesa);
return NULL;
}
_swsetup_Wakeup( ctx );
/* use default TCL pipeline */
tnl = TNL_CONTEXT(ctx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
ctx->Driver.MapRenderbuffer = osmesa_MapRenderbuffer;
ctx->Driver.UnmapRenderbuffer = osmesa_UnmapRenderbuffer;
/* Extend the software rasterizer with our optimized line and triangle
* drawing functions.
*/
swrast = SWRAST_CONTEXT( ctx );
swrast->choose_line = osmesa_choose_line;
swrast->choose_triangle = osmesa_choose_triangle;
}
}
return osmesa;
}
/* Create the device specific context.
*/
GLboolean
r100CreateContext( gl_api api,
const struct gl_config *glVisual,
__DRIcontext *driContextPriv,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
unsigned *error,
void *sharedContextPrivate)
{
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
radeonScreenPtr screen = (radeonScreenPtr)(sPriv->driverPrivate);
struct dd_function_table functions;
r100ContextPtr rmesa;
struct gl_context *ctx;
int i;
int tcl_mode, fthrottle_mode;
switch (api) {
case API_OPENGL_COMPAT:
if (major_version > 1 || minor_version > 3) {
*error = __DRI_CTX_ERROR_BAD_VERSION;
return GL_FALSE;
}
break;
case API_OPENGLES:
break;
default:
*error = __DRI_CTX_ERROR_BAD_API;
return GL_FALSE;
}
/* Flag filtering is handled in dri2CreateContextAttribs.
*/
(void) flags;
assert(glVisual);
assert(driContextPriv);
assert(screen);
/* Allocate the Radeon context */
rmesa = calloc(1, sizeof(*rmesa));
if ( !rmesa ) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
rmesa->radeon.radeonScreen = screen;
r100_init_vtbl(&rmesa->radeon);
/* init exp fog table data */
radeonInitStaticFogData();
/* Parse configuration files.
* Do this here so that initialMaxAnisotropy is set before we create
* the default textures.
*/
driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache,
screen->driScreen->myNum, "radeon");
rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache,
"def_max_anisotropy");
if ( driQueryOptionb( &rmesa->radeon.optionCache, "hyperz" ) ) {
if ( sPriv->drm_version.minor < 13 )
fprintf( stderr, "DRM version 1.%d too old to support HyperZ, "
"disabling.\n", sPriv->drm_version.minor );
else
rmesa->using_hyperz = GL_TRUE;
}
if ( sPriv->drm_version.minor >= 15 )
rmesa->texmicrotile = GL_TRUE;
/* Init default driver functions then plug in our Radeon-specific functions
* (the texture functions are especially important)
*/
_mesa_init_driver_functions( &functions );
radeonInitTextureFuncs( &rmesa->radeon, &functions );
radeonInitQueryObjFunctions(&functions);
if (!radeonInitContext(&rmesa->radeon, &functions,
glVisual, driContextPriv,
sharedContextPrivate)) {
free(rmesa);
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
rmesa->radeon.swtcl.RenderIndex = ~0;
rmesa->radeon.hw.all_dirty = GL_TRUE;
ctx = &rmesa->radeon.glCtx;
/* Initialize the software rasterizer and helper modules.
*/
_swrast_CreateContext( ctx );
_vbo_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
_ae_create_context( ctx );
/* Set the maximum texture size small enough that we can guarentee that
* all texture units can bind a maximal texture and have all of them in
* texturable memory at once. Depending on the allow_large_textures driconf
* setting allow larger textures.
*/
ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache,
"texture_units");
ctx->Const.FragmentProgram.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits;
ctx->Const.StripTextureBorder = GL_TRUE;
i = driQueryOptioni( &rmesa->radeon.optionCache, "allow_large_textures");
/* FIXME: When no memory manager is available we should set this
* to some reasonable value based on texture memory pool size */
ctx->Const.MaxTextureLevels = 12;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 12;
ctx->Const.MaxTextureRectSize = 2048;
ctx->Const.MaxTextureMaxAnisotropy = 16.0;
/* No wide points.
*/
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSize = 1.0;
ctx->Const.MaxPointSizeAA = 1.0;
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 10.0;
ctx->Const.MaxLineWidthAA = 10.0;
ctx->Const.LineWidthGranularity = 0.0625;
/* Set maxlocksize (and hence vb size) small enough to avoid
* fallbacks in radeon_tcl.c. ie. guarentee that all vertices can
* fit in a single dma buffer for indexed rendering of quad strips,
* etc.
*/
ctx->Const.MaxArrayLockSize =
MIN2( ctx->Const.MaxArrayLockSize,
RADEON_BUFFER_SIZE / RADEON_MAX_TCL_VERTSIZE );
rmesa->boxes = 0;
ctx->Const.MaxDrawBuffers = 1;
ctx->Const.MaxColorAttachments = 1;
ctx->Const.MaxRenderbufferSize = 2048;
ctx->ShaderCompilerOptions[MESA_SHADER_VERTEX].PreferDP4 = true;
/* Install the customized pipeline:
*/
_tnl_destroy_pipeline( ctx );
_tnl_install_pipeline( ctx, radeon_pipeline );
/* Try and keep materials and vertices separate:
*/
/* _tnl_isolate_materials( ctx, GL_TRUE ); */
/* Configure swrast and T&L to match hardware characteristics:
*/
_swrast_allow_pixel_fog( ctx, GL_FALSE );
_swrast_allow_vertex_fog( ctx, GL_TRUE );
_tnl_allow_pixel_fog( ctx, GL_FALSE );
_tnl_allow_vertex_fog( ctx, GL_TRUE );
for ( i = 0 ; i < RADEON_MAX_TEXTURE_UNITS ; i++ ) {
_math_matrix_ctr( &rmesa->TexGenMatrix[i] );
_math_matrix_ctr( &rmesa->tmpmat[i] );
_math_matrix_set_identity( &rmesa->TexGenMatrix[i] );
_math_matrix_set_identity( &rmesa->tmpmat[i] );
}
ctx->Extensions.ARB_texture_border_clamp = true;
ctx->Extensions.ARB_texture_env_combine = true;
ctx->Extensions.ARB_texture_env_crossbar = true;
ctx->Extensions.ARB_texture_env_dot3 = true;
ctx->Extensions.EXT_fog_coord = true;
ctx->Extensions.EXT_packed_depth_stencil = true;
ctx->Extensions.EXT_secondary_color = true;
ctx->Extensions.EXT_texture_env_dot3 = true;
ctx->Extensions.EXT_texture_filter_anisotropic = true;
ctx->Extensions.EXT_texture_mirror_clamp = true;
ctx->Extensions.ATI_texture_env_combine3 = true;
ctx->Extensions.ATI_texture_mirror_once = true;
ctx->Extensions.MESA_ycbcr_texture = true;
ctx->Extensions.NV_blend_square = true;
ctx->Extensions.OES_EGL_image = true;
ctx->Extensions.EXT_framebuffer_object = true;
ctx->Extensions.ARB_texture_cube_map = true;
if (rmesa->radeon.glCtx.Mesa_DXTn) {
ctx->Extensions.EXT_texture_compression_s3tc = true;
ctx->Extensions.ANGLE_texture_compression_dxt = true;
}
else if (driQueryOptionb (&rmesa->radeon.optionCache, "force_s3tc_enable")) {
ctx->Extensions.EXT_texture_compression_s3tc = true;
ctx->Extensions.ANGLE_texture_compression_dxt = true;
}
ctx->Extensions.NV_texture_rectangle = true;
ctx->Extensions.ARB_occlusion_query = true;
/* XXX these should really go right after _mesa_init_driver_functions() */
radeon_fbo_init(&rmesa->radeon);
radeonInitSpanFuncs( ctx );
radeonInitIoctlFuncs( ctx );
radeonInitStateFuncs( ctx );
radeonInitState( rmesa );
radeonInitSwtcl( ctx );
_mesa_vector4f_alloc( &rmesa->tcl.ObjClean, 0,
ctx->Const.MaxArrayLockSize, 32 );
fthrottle_mode = driQueryOptioni(&rmesa->radeon.optionCache, "fthrottle_mode");
rmesa->radeon.iw.irq_seq = -1;
rmesa->radeon.irqsEmitted = 0;
rmesa->radeon.do_irqs = (rmesa->radeon.radeonScreen->irq != 0 &&
fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS);
rmesa->radeon.do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS);
#if DO_DEBUG
RADEON_DEBUG = driParseDebugString( getenv( "RADEON_DEBUG" ),
debug_control );
#endif
tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode");
if (driQueryOptionb(&rmesa->radeon.optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D acceleration\n");
FALLBACK(rmesa, RADEON_FALLBACK_DISABLE, 1);
} else if (tcl_mode == DRI_CONF_TCL_SW ||
!(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL;
fprintf(stderr, "Disabling HW TCL support\n");
}
TCL_FALLBACK(&rmesa->radeon.glCtx, RADEON_TCL_FALLBACK_TCL_DISABLE, 1);
}
if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
/* _tnl_need_dlist_norm_lengths( ctx, GL_FALSE ); */
}
_mesa_compute_version(ctx);
/* Exec table initialization requires the version to be computed */
_mesa_initialize_dispatch_tables(ctx);
_mesa_initialize_vbo_vtxfmt(ctx);
*error = __DRI_CTX_ERROR_SUCCESS;
return GL_TRUE;
}
static GLboolean
dri_create_context(gl_api api,
const struct gl_config * visual,
__DRIcontext * cPriv,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
bool notify_reset,
unsigned *error,
void *sharedContextPrivate)
{
struct dri_context *ctx = NULL;
struct dri_context *share = (struct dri_context *)sharedContextPrivate;
struct gl_context *mesaCtx = NULL;
struct gl_context *sharedCtx = NULL;
struct dd_function_table functions;
TRACE;
/* Flag filtering is handled in dri2CreateContextAttribs.
*/
(void) flags;
ctx = CALLOC_STRUCT(dri_context);
if (ctx == NULL) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
goto context_fail;
}
cPriv->driverPrivate = ctx;
ctx->cPriv = cPriv;
/* build table of device driver functions */
_mesa_init_driver_functions(&functions);
swrast_init_driver_functions(&functions);
if (share) {
sharedCtx = &share->Base;
}
mesaCtx = &ctx->Base;
/* basic context setup */
if (!_mesa_initialize_context(mesaCtx, api, visual, sharedCtx, &functions)) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
goto context_fail;
}
driContextSetFlags(mesaCtx, flags);
/* create module contexts */
_swrast_CreateContext( mesaCtx );
_vbo_CreateContext( mesaCtx );
_tnl_CreateContext( mesaCtx );
_swsetup_CreateContext( mesaCtx );
_swsetup_Wakeup( mesaCtx );
/* use default TCL pipeline */
{
TNLcontext *tnl = TNL_CONTEXT(mesaCtx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
}
_mesa_meta_init(mesaCtx);
_mesa_enable_sw_extensions(mesaCtx);
_mesa_compute_version(mesaCtx);
_mesa_initialize_dispatch_tables(mesaCtx);
_mesa_initialize_vbo_vtxfmt(mesaCtx);
*error = __DRI_CTX_ERROR_SUCCESS;
return GL_TRUE;
context_fail:
free(ctx);
return GL_FALSE;
}
static GLboolean
dri_create_context(gl_api api,
const struct gl_config * visual,
__DRIcontext * cPriv,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
unsigned *error,
void *sharedContextPrivate)
{
struct dri_context *ctx = NULL;
struct dri_context *share = (struct dri_context *)sharedContextPrivate;
struct gl_context *mesaCtx = NULL;
struct gl_context *sharedCtx = NULL;
struct dd_function_table functions;
TRACE;
/* Flag filtering is handled in dri2CreateContextAttribs.
*/
(void) flags;
switch (api) {
case API_OPENGL_COMPAT:
if (major_version > 2
|| (major_version == 2 && minor_version > 1)) {
*error = __DRI_CTX_ERROR_BAD_VERSION;
return GL_FALSE;
}
break;
case API_OPENGLES:
case API_OPENGLES2:
break;
case API_OPENGL_CORE:
*error = __DRI_CTX_ERROR_BAD_API;
return GL_FALSE;
}
ctx = CALLOC_STRUCT(dri_context);
if (ctx == NULL) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
goto context_fail;
}
cPriv->driverPrivate = ctx;
ctx->cPriv = cPriv;
/* build table of device driver functions */
_mesa_init_driver_functions(&functions);
swrast_init_driver_functions(&functions);
if (share) {
sharedCtx = &share->Base;
}
mesaCtx = &ctx->Base;
/* basic context setup */
if (!_mesa_initialize_context(mesaCtx, api, visual, sharedCtx, &functions)) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
goto context_fail;
}
/* do bounds checking to prevent segfaults and server crashes! */
mesaCtx->Const.CheckArrayBounds = GL_TRUE;
/* create module contexts */
_swrast_CreateContext( mesaCtx );
_vbo_CreateContext( mesaCtx );
_tnl_CreateContext( mesaCtx );
_swsetup_CreateContext( mesaCtx );
_swsetup_Wakeup( mesaCtx );
/* use default TCL pipeline */
{
TNLcontext *tnl = TNL_CONTEXT(mesaCtx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
}
_mesa_meta_init(mesaCtx);
_mesa_enable_sw_extensions(mesaCtx);
_mesa_compute_version(mesaCtx);
_mesa_initialize_dispatch_tables(mesaCtx);
_mesa_initialize_vbo_vtxfmt(mesaCtx);
*error = __DRI_CTX_ERROR_SUCCESS;
return GL_TRUE;
context_fail:
free(ctx);
return GL_FALSE;
}
//
// Input: rect - initial rectangle
// name - window name
// resizingMode - example: B_FOLLOW_NONE
// mode - usually 0 ?
// options - Bitwise-OR of BGL_* tokens
//
BGLView::BGLView(BRect rect, char *name,
ulong resizingMode, ulong mode,
ulong options)
: BView(rect, name, B_FOLLOW_ALL_SIDES, mode | B_WILL_DRAW | B_FRAME_EVENTS) // | B_FULL_UPDATE_ON_RESIZE)
{
// We don't support single buffering (yet): double buffering forced.
options |= BGL_DOUBLE;
const GLboolean rgbFlag = ((options & BGL_INDEX) == 0);
const GLboolean alphaFlag = ((options & BGL_ALPHA) == BGL_ALPHA);
const GLboolean dblFlag = ((options & BGL_DOUBLE) == BGL_DOUBLE);
const GLboolean stereoFlag = false;
const GLint depth = (options & BGL_DEPTH) ? 16 : 0;
const GLint stencil = (options & BGL_STENCIL) ? 8 : 0;
const GLint accum = (options & BGL_ACCUM) ? 16 : 0;
const GLint index = (options & BGL_INDEX) ? 32 : 0;
const GLint red = rgbFlag ? 8 : 0;
const GLint green = rgbFlag ? 8 : 0;
const GLint blue = rgbFlag ? 8 : 0;
const GLint alpha = alphaFlag ? 8 : 0;
m_options = options | BGL_INDIRECT;
struct dd_function_table functions;
if (!rgbFlag) {
fprintf(stderr, "Mesa Warning: color index mode not supported\n");
}
// Allocate auxiliary data object
MesaDriver * md = new MesaDriver();
// examine option flags and create gl_context struct
GLvisual * visual = _mesa_create_visual( rgbFlag,
dblFlag,
stereoFlag,
red, green, blue, alpha,
index,
depth,
stencil,
accum, accum, accum, accum,
1
);
// Initialize device driver function table
_mesa_init_driver_functions(&functions);
functions.GetString = md->GetString;
functions.UpdateState = md->UpdateState;
functions.GetBufferSize = md->GetBufferSize;
functions.Clear = md->Clear;
functions.ClearIndex = md->ClearIndex;
functions.ClearColor = md->ClearColor;
functions.Error = md->Error;
functions.Viewport = md->Viewport;
// create core context
GLcontext *ctx = _mesa_create_context(visual, NULL, &functions, md);
if (! ctx) {
_mesa_destroy_visual(visual);
delete md;
return;
}
_mesa_enable_sw_extensions(ctx);
_mesa_enable_1_3_extensions(ctx);
_mesa_enable_1_4_extensions(ctx);
_mesa_enable_1_5_extensions(ctx);
// create core framebuffer
GLframebuffer * buffer = _mesa_create_framebuffer(visual,
depth > 0 ? GL_TRUE : GL_FALSE,
stencil > 0 ? GL_TRUE: GL_FALSE,
accum > 0 ? GL_TRUE : GL_FALSE,
alphaFlag
);
/* Initialize the software rasterizer and helper modules.
*/
_swrast_CreateContext(ctx);
_vbo_CreateContext(ctx);
_tnl_CreateContext(ctx);
_swsetup_CreateContext(ctx);
_swsetup_Wakeup(ctx);
md->Init(this, ctx, visual, buffer );
// Hook aux data into BGLView object
m_gc = md;
// some stupid applications (Quake2) don't even think about calling LockGL()
// before using glGetString and friends... so make sure there is at least a
// valid context.
if (!_mesa_get_current_context()) {
LockGL();
// not needed, we don't have a looper yet: UnlockLooper();
}
}
/* Create the device specific rendering context.
*/
GLboolean r200CreateContext( const __GLcontextModes *glVisual,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate)
{
__DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
radeonScreenPtr screen = (radeonScreenPtr)(sPriv->private);
struct dd_function_table functions;
r200ContextPtr rmesa;
GLcontext *ctx, *shareCtx;
int i;
int tcl_mode, fthrottle_mode;
assert(glVisual);
assert(driContextPriv);
assert(screen);
/* Allocate the R200 context */
rmesa = (r200ContextPtr) CALLOC( sizeof(*rmesa) );
if ( !rmesa )
return GL_FALSE;
/* init exp fog table data */
r200InitStaticFogData();
/* Parse configuration files.
* Do this here so that initialMaxAnisotropy is set before we create
* the default textures.
*/
driParseConfigFiles (&rmesa->optionCache, &screen->optionCache,
screen->driScreen->myNum, "r200");
rmesa->initialMaxAnisotropy = driQueryOptionf(&rmesa->optionCache,
"def_max_anisotropy");
if ( driQueryOptionb( &rmesa->optionCache, "hyperz" ) ) {
if ( sPriv->drmMinor < 13 )
fprintf( stderr, "DRM version 1.%d too old to support HyperZ, "
"disabling.\n",sPriv->drmMinor );
else
rmesa->using_hyperz = GL_TRUE;
}
if ( sPriv->drmMinor >= 15 )
rmesa->texmicrotile = GL_TRUE;
/* Init default driver functions then plug in our R200-specific functions
* (the texture functions are especially important)
*/
_mesa_init_driver_functions(&functions);
r200InitDriverFuncs(&functions);
r200InitIoctlFuncs(&functions);
r200InitStateFuncs(&functions);
r200InitTextureFuncs(&functions);
r200InitShaderFuncs(&functions);
/* Allocate and initialize the Mesa context */
if (sharedContextPrivate)
shareCtx = ((r200ContextPtr) sharedContextPrivate)->glCtx;
else
shareCtx = NULL;
rmesa->glCtx = _mesa_create_context(glVisual, shareCtx,
&functions, (void *) rmesa);
if (!rmesa->glCtx) {
FREE(rmesa);
return GL_FALSE;
}
driContextPriv->driverPrivate = rmesa;
/* Init r200 context data */
rmesa->dri.context = driContextPriv;
rmesa->dri.screen = sPriv;
rmesa->dri.drawable = NULL; /* Set by XMesaMakeCurrent */
rmesa->dri.hwContext = driContextPriv->hHWContext;
rmesa->dri.hwLock = &sPriv->pSAREA->lock;
rmesa->dri.fd = sPriv->fd;
rmesa->dri.drmMinor = sPriv->drmMinor;
rmesa->r200Screen = screen;
rmesa->sarea = (drm_radeon_sarea_t *)((GLubyte *)sPriv->pSAREA +
screen->sarea_priv_offset);
rmesa->dma.buf0_address = rmesa->r200Screen->buffers->list[0].address;
(void) memset( rmesa->texture_heaps, 0, sizeof( rmesa->texture_heaps ) );
make_empty_list( & rmesa->swapped );
rmesa->nr_heaps = 1 /* screen->numTexHeaps */ ;
assert(rmesa->nr_heaps < RADEON_NR_TEX_HEAPS);
for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) {
rmesa->texture_heaps[i] = driCreateTextureHeap( i, rmesa,
screen->texSize[i],
12,
RADEON_NR_TEX_REGIONS,
(drmTextureRegionPtr)rmesa->sarea->tex_list[i],
& rmesa->sarea->tex_age[i],
& rmesa->swapped,
sizeof( r200TexObj ),
(destroy_texture_object_t *) r200DestroyTexObj );
}
rmesa->texture_depth = driQueryOptioni (&rmesa->optionCache,
"texture_depth");
if (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FB)
rmesa->texture_depth = ( screen->cpp == 4 ) ?
DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16;
rmesa->swtcl.RenderIndex = ~0;
rmesa->hw.all_dirty = 1;
/* Set the maximum texture size small enough that we can guarentee that
* all texture units can bind a maximal texture and have all of them in
* texturable memory at once. Depending on the allow_large_textures driconf
* setting allow larger textures.
*/
ctx = rmesa->glCtx;
ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->optionCache,
"texture_units");
ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
i = driQueryOptioni( &rmesa->optionCache, "allow_large_textures");
driCalculateMaxTextureLevels( rmesa->texture_heaps,
rmesa->nr_heaps,
& ctx->Const,
4,
11, /* max 2D texture size is 2048x2048 */
#if ENABLE_HW_3D_TEXTURE
8, /* max 3D texture size is 256^3 */
#else
0, /* 3D textures unsupported */
#endif
11, /* max cube texture size is 2048x2048 */
11, /* max texture rectangle size is 2048x2048 */
12,
GL_FALSE,
i );
ctx->Const.MaxTextureMaxAnisotropy = 16.0;
/* No wide AA points.
*/
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSizeAA = 1.0;
ctx->Const.PointSizeGranularity = 0.0625;
if (rmesa->r200Screen->drmSupportsPointSprites)
ctx->Const.MaxPointSize = 2047.0;
else
ctx->Const.MaxPointSize = 1.0;
/* mesa initialization problem - _mesa_init_point was already called */
ctx->Point.MaxSize = ctx->Const.MaxPointSize;
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 10.0;
ctx->Const.MaxLineWidthAA = 10.0;
ctx->Const.LineWidthGranularity = 0.0625;
ctx->Const.VertexProgram.MaxNativeInstructions = R200_VSF_MAX_INST;
ctx->Const.VertexProgram.MaxNativeAttribs = 12;
ctx->Const.VertexProgram.MaxNativeTemps = R200_VSF_MAX_TEMPS;
ctx->Const.VertexProgram.MaxNativeParameters = R200_VSF_MAX_PARAM;
ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
/* Initialize the software rasterizer and helper modules.
*/
_swrast_CreateContext( ctx );
_vbo_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
_ae_create_context( ctx );
/* Install the customized pipeline:
*/
_tnl_destroy_pipeline( ctx );
_tnl_install_pipeline( ctx, r200_pipeline );
/* Try and keep materials and vertices separate:
*/
/* _tnl_isolate_materials( ctx, GL_TRUE ); */
/* Configure swrast and TNL to match hardware characteristics:
*/
_swrast_allow_pixel_fog( ctx, GL_FALSE );
_swrast_allow_vertex_fog( ctx, GL_TRUE );
_tnl_allow_pixel_fog( ctx, GL_FALSE );
_tnl_allow_vertex_fog( ctx, GL_TRUE );
for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) {
_math_matrix_ctr( &rmesa->TexGenMatrix[i] );
_math_matrix_set_identity( &rmesa->TexGenMatrix[i] );
}
_math_matrix_ctr( &rmesa->tmpmat );
_math_matrix_set_identity( &rmesa->tmpmat );
driInitExtensions( ctx, card_extensions, GL_TRUE );
if (!(rmesa->r200Screen->chip_flags & R200_CHIPSET_YCBCR_BROKEN)) {
/* yuv textures don't work with some chips - R200 / rv280 okay so far
others get the bit ordering right but don't actually do YUV-RGB conversion */
_mesa_enable_extension( ctx, "GL_MESA_ycbcr_texture" );
}
if (rmesa->glCtx->Mesa_DXTn) {
_mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
_mesa_enable_extension( ctx, "GL_S3_s3tc" );
}
else if (driQueryOptionb (&rmesa->optionCache, "force_s3tc_enable")) {
_mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
}
if (rmesa->r200Screen->drmSupportsCubeMapsR200)
_mesa_enable_extension( ctx, "GL_ARB_texture_cube_map" );
if (rmesa->r200Screen->drmSupportsBlendColor) {
driInitExtensions( ctx, blend_extensions, GL_FALSE );
}
if(rmesa->r200Screen->drmSupportsVertexProgram)
driInitSingleExtension( ctx, ARB_vp_extension );
if(driQueryOptionb(&rmesa->optionCache, "nv_vertex_program"))
driInitSingleExtension( ctx, NV_vp_extension );
if ((ctx->Const.MaxTextureUnits == 6) && rmesa->r200Screen->drmSupportsFragShader)
driInitSingleExtension( ctx, ATI_fs_extension );
if (rmesa->r200Screen->drmSupportsPointSprites)
driInitExtensions( ctx, point_extensions, GL_FALSE );
#if 0
r200InitDriverFuncs( ctx );
r200InitIoctlFuncs( ctx );
r200InitStateFuncs( ctx );
r200InitTextureFuncs( ctx );
#endif
/* plug in a few more device driver functions */
/* XXX these should really go right after _mesa_init_driver_functions() */
r200InitPixelFuncs( ctx );
r200InitSpanFuncs( ctx );
r200InitTnlFuncs( ctx );
r200InitState( rmesa );
r200InitSwtcl( ctx );
fthrottle_mode = driQueryOptioni(&rmesa->optionCache, "fthrottle_mode");
rmesa->iw.irq_seq = -1;
rmesa->irqsEmitted = 0;
rmesa->do_irqs = (fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS &&
rmesa->r200Screen->irq);
rmesa->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS);
if (!rmesa->do_irqs)
fprintf(stderr,
"IRQ's not enabled, falling back to %s: %d %d\n",
rmesa->do_usleeps ? "usleeps" : "busy waits",
fthrottle_mode,
rmesa->r200Screen->irq);
rmesa->vblank_flags = (rmesa->r200Screen->irq != 0)
? driGetDefaultVBlankFlags(&rmesa->optionCache) : VBLANK_FLAG_NO_IRQ;
rmesa->prefer_gart_client_texturing =
(getenv("R200_GART_CLIENT_TEXTURES") != 0);
(*dri_interface->getUST)( & rmesa->swap_ust );
#if DO_DEBUG
R200_DEBUG = driParseDebugString( getenv( "R200_DEBUG" ),
debug_control );
R200_DEBUG |= driParseDebugString( getenv( "RADEON_DEBUG" ),
debug_control );
#endif
tcl_mode = driQueryOptioni(&rmesa->optionCache, "tcl_mode");
if (driQueryOptionb(&rmesa->optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D acceleration\n");
FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1);
}
else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") ||
!(rmesa->r200Screen->chip_flags & RADEON_CHIPSET_TCL)) {
if (rmesa->r200Screen->chip_flags & RADEON_CHIPSET_TCL) {
rmesa->r200Screen->chip_flags &= ~RADEON_CHIPSET_TCL;
fprintf(stderr, "Disabling HW TCL support\n");
}
TCL_FALLBACK(rmesa->glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1);
}
return GL_TRUE;
}
/* Create the device specific context.
*/
GLboolean
radeonCreateContext( const __GLcontextModes *glVisual,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate)
{
__DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
radeonScreenPtr screen = (radeonScreenPtr)(sPriv->private);
struct dd_function_table functions;
radeonContextPtr rmesa;
GLcontext *ctx, *shareCtx;
int i;
int tcl_mode, fthrottle_mode;
assert(glVisual);
assert(driContextPriv);
assert(screen);
/* Allocate the Radeon context */
rmesa = (radeonContextPtr) CALLOC( sizeof(*rmesa) );
if ( !rmesa )
return GL_FALSE;
/* init exp fog table data */
radeonInitStaticFogData();
/* Parse configuration files.
* Do this here so that initialMaxAnisotropy is set before we create
* the default textures.
*/
driParseConfigFiles (&rmesa->optionCache, &screen->optionCache,
screen->driScreen->myNum, "radeon");
rmesa->initialMaxAnisotropy = driQueryOptionf(&rmesa->optionCache,
"def_max_anisotropy");
if ( driQueryOptionb( &rmesa->optionCache, "hyperz" ) ) {
if ( sPriv->drm_version.minor < 13 )
fprintf( stderr, "DRM version 1.%d too old to support HyperZ, "
"disabling.\n", sPriv->drm_version.minor );
else
rmesa->using_hyperz = GL_TRUE;
}
if ( sPriv->drm_version.minor >= 15 )
rmesa->texmicrotile = GL_TRUE;
/* Init default driver functions then plug in our Radeon-specific functions
* (the texture functions are especially important)
*/
_mesa_init_driver_functions( &functions );
radeonInitDriverFuncs( &functions );
radeonInitTextureFuncs( &functions );
/* Allocate the Mesa context */
if (sharedContextPrivate)
shareCtx = ((radeonContextPtr) sharedContextPrivate)->glCtx;
else
shareCtx = NULL;
rmesa->glCtx = _mesa_create_context(glVisual, shareCtx,
&functions, (void *) rmesa);
if (!rmesa->glCtx) {
FREE(rmesa);
return GL_FALSE;
}
driContextPriv->driverPrivate = rmesa;
/* Init radeon context data */
rmesa->dri.context = driContextPriv;
rmesa->dri.screen = sPriv;
rmesa->dri.drawable = NULL;
rmesa->dri.readable = NULL;
rmesa->dri.hwContext = driContextPriv->hHWContext;
rmesa->dri.hwLock = &sPriv->pSAREA->lock;
rmesa->dri.fd = sPriv->fd;
rmesa->dri.drmMinor = sPriv->drm_version.minor;
rmesa->radeonScreen = screen;
rmesa->sarea = (drm_radeon_sarea_t *)((GLubyte *)sPriv->pSAREA +
screen->sarea_priv_offset);
rmesa->dma.buf0_address = rmesa->radeonScreen->buffers->list[0].address;
(void) memset( rmesa->texture_heaps, 0, sizeof( rmesa->texture_heaps ) );
make_empty_list( & rmesa->swapped );
rmesa->nr_heaps = screen->numTexHeaps;
for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) {
rmesa->texture_heaps[i] = driCreateTextureHeap( i, rmesa,
screen->texSize[i],
12,
RADEON_NR_TEX_REGIONS,
(drmTextureRegionPtr)rmesa->sarea->tex_list[i],
& rmesa->sarea->tex_age[i],
& rmesa->swapped,
sizeof( radeonTexObj ),
(destroy_texture_object_t *) radeonDestroyTexObj );
driSetTextureSwapCounterLocation( rmesa->texture_heaps[i],
& rmesa->c_textureSwaps );
}
rmesa->texture_depth = driQueryOptioni (&rmesa->optionCache,
"texture_depth");
if (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FB)
rmesa->texture_depth = ( screen->cpp == 4 ) ?
DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16;
rmesa->swtcl.RenderIndex = ~0;
rmesa->hw.all_dirty = GL_TRUE;
/* Set the maximum texture size small enough that we can guarentee that
* all texture units can bind a maximal texture and have all of them in
* texturable memory at once. Depending on the allow_large_textures driconf
* setting allow larger textures.
*/
ctx = rmesa->glCtx;
ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->optionCache,
"texture_units");
ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
i = driQueryOptioni( &rmesa->optionCache, "allow_large_textures");
driCalculateMaxTextureLevels( rmesa->texture_heaps,
rmesa->nr_heaps,
& ctx->Const,
4,
11, /* max 2D texture size is 2048x2048 */
8, /* 256^3 */
9, /* \todo: max cube texture size seems to be 512x512(x6) */
11, /* max rect texture size is 2048x2048. */
12,
GL_FALSE,
i );
ctx->Const.MaxTextureMaxAnisotropy = 16.0;
/* No wide points.
*/
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSize = 1.0;
ctx->Const.MaxPointSizeAA = 1.0;
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 10.0;
ctx->Const.MaxLineWidthAA = 10.0;
ctx->Const.LineWidthGranularity = 0.0625;
/* Set maxlocksize (and hence vb size) small enough to avoid
* fallbacks in radeon_tcl.c. ie. guarentee that all vertices can
* fit in a single dma buffer for indexed rendering of quad strips,
* etc.
*/
ctx->Const.MaxArrayLockSize =
MIN2( ctx->Const.MaxArrayLockSize,
RADEON_BUFFER_SIZE / RADEON_MAX_TCL_VERTSIZE );
rmesa->boxes = 0;
ctx->Const.MaxDrawBuffers = 1;
_mesa_set_mvp_with_dp4( ctx, GL_TRUE );
/* Initialize the software rasterizer and helper modules.
*/
_swrast_CreateContext( ctx );
_vbo_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
_ae_create_context( ctx );
/* Install the customized pipeline:
*/
_tnl_destroy_pipeline( ctx );
_tnl_install_pipeline( ctx, radeon_pipeline );
/* Try and keep materials and vertices separate:
*/
/* _tnl_isolate_materials( ctx, GL_TRUE ); */
/* Configure swrast and T&L to match hardware characteristics:
*/
_swrast_allow_pixel_fog( ctx, GL_FALSE );
_swrast_allow_vertex_fog( ctx, GL_TRUE );
_tnl_allow_pixel_fog( ctx, GL_FALSE );
_tnl_allow_vertex_fog( ctx, GL_TRUE );
for ( i = 0 ; i < RADEON_MAX_TEXTURE_UNITS ; i++ ) {
_math_matrix_ctr( &rmesa->TexGenMatrix[i] );
_math_matrix_ctr( &rmesa->tmpmat[i] );
_math_matrix_set_identity( &rmesa->TexGenMatrix[i] );
_math_matrix_set_identity( &rmesa->tmpmat[i] );
}
driInitExtensions( ctx, card_extensions, GL_TRUE );
if (rmesa->radeonScreen->drmSupportsCubeMapsR100)
_mesa_enable_extension( ctx, "GL_ARB_texture_cube_map" );
if (rmesa->glCtx->Mesa_DXTn) {
_mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
_mesa_enable_extension( ctx, "GL_S3_s3tc" );
}
else if (driQueryOptionb (&rmesa->optionCache, "force_s3tc_enable")) {
_mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
}
if (rmesa->dri.drmMinor >= 9)
_mesa_enable_extension( ctx, "GL_NV_texture_rectangle");
/* XXX these should really go right after _mesa_init_driver_functions() */
radeonInitIoctlFuncs( ctx );
radeonInitStateFuncs( ctx );
radeonInitSpanFuncs( ctx );
radeonInitState( rmesa );
radeonInitSwtcl( ctx );
_mesa_vector4f_alloc( &rmesa->tcl.ObjClean, 0,
ctx->Const.MaxArrayLockSize, 32 );
fthrottle_mode = driQueryOptioni(&rmesa->optionCache, "fthrottle_mode");
rmesa->iw.irq_seq = -1;
rmesa->irqsEmitted = 0;
rmesa->do_irqs = (rmesa->radeonScreen->irq != 0 &&
fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS);
rmesa->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS);
(*sPriv->systemTime->getUST)( & rmesa->swap_ust );
#if DO_DEBUG
RADEON_DEBUG = driParseDebugString( getenv( "RADEON_DEBUG" ),
debug_control );
#endif
tcl_mode = driQueryOptioni(&rmesa->optionCache, "tcl_mode");
if (driQueryOptionb(&rmesa->optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D acceleration\n");
FALLBACK(rmesa, RADEON_FALLBACK_DISABLE, 1);
} else if (tcl_mode == DRI_CONF_TCL_SW ||
!(rmesa->radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
if (rmesa->radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
rmesa->radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL;
fprintf(stderr, "Disabling HW TCL support\n");
}
TCL_FALLBACK(rmesa->glCtx, RADEON_TCL_FALLBACK_TCL_DISABLE, 1);
}
if (rmesa->radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
/* _tnl_need_dlist_norm_lengths( ctx, GL_FALSE ); */
}
return GL_TRUE;
}
static struct st_context *
st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe,
const struct st_config_options *options)
{
struct pipe_screen *screen = pipe->screen;
uint i;
struct st_context *st = ST_CALLOC_STRUCT( st_context );
st->options = *options;
ctx->st = st;
st->ctx = ctx;
st->pipe = pipe;
/* XXX: this is one-off, per-screen init: */
st_debug_init();
/* state tracker needs the VBO module */
_vbo_CreateContext(ctx);
st->dirty.mesa = ~0;
st->dirty.st = ~0;
/* Create upload manager for vertex data for glBitmap, glDrawPixels,
* glClear, etc.
*/
st->uploader = u_upload_create(st->pipe, 65536, PIPE_BIND_VERTEX_BUFFER,
PIPE_USAGE_STREAM);
if (!screen->get_param(screen, PIPE_CAP_USER_INDEX_BUFFERS)) {
st->indexbuf_uploader = u_upload_create(st->pipe, 128 * 1024,
PIPE_BIND_INDEX_BUFFER,
PIPE_USAGE_STREAM);
}
if (!screen->get_param(screen, PIPE_CAP_USER_CONSTANT_BUFFERS))
st->constbuf_uploader = u_upload_create(pipe, 128 * 1024,
PIPE_BIND_CONSTANT_BUFFER,
PIPE_USAGE_STREAM);
st->cso_context = cso_create_context(pipe);
st_init_atoms( st );
st_init_bitmap(st);
st_init_clear(st);
st_init_draw( st );
/* Choose texture target for glDrawPixels, glBitmap, renderbuffers */
if (pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES))
st->internal_target = PIPE_TEXTURE_2D;
else
st->internal_target = PIPE_TEXTURE_RECT;
/* Vertex element objects used for drawing rectangles for glBitmap,
* glDrawPixels, glClear, etc.
*/
for (i = 0; i < ARRAY_SIZE(st->velems_util_draw); i++) {
memset(&st->velems_util_draw[i], 0, sizeof(struct pipe_vertex_element));
st->velems_util_draw[i].src_offset = i * 4 * sizeof(float);
st->velems_util_draw[i].instance_divisor = 0;
st->velems_util_draw[i].vertex_buffer_index =
cso_get_aux_vertex_buffer_slot(st->cso_context);
st->velems_util_draw[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
}
/* we want all vertex data to be placed in buffer objects */
vbo_use_buffer_objects(ctx);
/* make sure that no VBOs are left mapped when we're drawing. */
vbo_always_unmap_buffers(ctx);
/* Need these flags:
*/
st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
st->ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
st->has_stencil_export =
screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT);
st->has_shader_model3 = screen->get_param(screen, PIPE_CAP_SM3);
st->has_etc1 = screen->is_format_supported(screen, PIPE_FORMAT_ETC1_RGB8,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_SAMPLER_VIEW);
st->has_etc2 = screen->is_format_supported(screen, PIPE_FORMAT_ETC2_RGB8,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_SAMPLER_VIEW);
st->prefer_blit_based_texture_transfer = screen->get_param(screen,
PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER);
st->force_persample_in_shader =
screen->get_param(screen, PIPE_CAP_SAMPLE_SHADING) &&
!screen->get_param(screen, PIPE_CAP_FORCE_PERSAMPLE_INTERP);
st->has_shareable_shaders = screen->get_param(screen,
PIPE_CAP_SHAREABLE_SHADERS);
st->needs_texcoord_semantic =
screen->get_param(screen, PIPE_CAP_TGSI_TEXCOORD);
st->apply_texture_swizzle_to_border_color =
!!(screen->get_param(screen, PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK) &
(PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 |
PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600));
st->has_time_elapsed =
screen->get_param(screen, PIPE_CAP_QUERY_TIME_ELAPSED);
st->has_half_float_packing =
screen->get_param(screen, PIPE_CAP_TGSI_PACK_HALF_FLOAT);
st->has_multi_draw_indirect =
screen->get_param(screen, PIPE_CAP_MULTI_DRAW_INDIRECT);
/* GL limits and extensions */
st_init_limits(st->pipe->screen, &ctx->Const, &ctx->Extensions);
st_init_extensions(st->pipe->screen, &ctx->Const,
&ctx->Extensions, &st->options, ctx->Mesa_DXTn);
if (st_have_perfmon(st)) {
ctx->Extensions.AMD_performance_monitor = GL_TRUE;
}
/* Enable shader-based fallbacks for ARB_color_buffer_float if needed. */
if (screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_UNCLAMPED)) {
if (!screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_CLAMPED)) {
st->clamp_vert_color_in_shader = GL_TRUE;
}
if (!screen->get_param(screen, PIPE_CAP_FRAGMENT_COLOR_CLAMPED)) {
st->clamp_frag_color_in_shader = GL_TRUE;
}
/* For drivers which cannot do color clamping, it's better to just
* disable ARB_color_buffer_float in the core profile, because
* the clamping is deprecated there anyway. */
if (ctx->API == API_OPENGL_CORE &&
(st->clamp_frag_color_in_shader || st->clamp_vert_color_in_shader)) {
st->clamp_vert_color_in_shader = GL_FALSE;
st->clamp_frag_color_in_shader = GL_FALSE;
ctx->Extensions.ARB_color_buffer_float = GL_FALSE;
}
}
/* called after _mesa_create_context/_mesa_init_point, fix default user
* settable max point size up
*/
st->ctx->Point.MaxSize = MAX2(ctx->Const.MaxPointSize,
ctx->Const.MaxPointSizeAA);
/* For vertex shaders, make sure not to emit saturate when SM 3.0 is not supported */
ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].EmitNoSat = !st->has_shader_model3;
if (!ctx->Extensions.ARB_gpu_shader5) {
for (i = 0; i < MESA_SHADER_STAGES; i++)
ctx->Const.ShaderCompilerOptions[i].EmitNoIndirectSampler = true;
}
/* Set which shader types can be compiled at link time. */
st->shader_has_one_variant[MESA_SHADER_VERTEX] =
st->has_shareable_shaders &&
!st->clamp_vert_color_in_shader;
st->shader_has_one_variant[MESA_SHADER_FRAGMENT] =
st->has_shareable_shaders &&
!st->clamp_frag_color_in_shader &&
!st->force_persample_in_shader;
st->shader_has_one_variant[MESA_SHADER_TESS_CTRL] = st->has_shareable_shaders;
st->shader_has_one_variant[MESA_SHADER_TESS_EVAL] = st->has_shareable_shaders;
st->shader_has_one_variant[MESA_SHADER_GEOMETRY] = st->has_shareable_shaders;
_mesa_compute_version(ctx);
if (ctx->Version == 0) {
/* This can happen when a core profile was requested, but the driver
* does not support some features of GL 3.1 or later.
*/
st_destroy_context_priv(st);
return NULL;
}
_mesa_initialize_dispatch_tables(ctx);
_mesa_initialize_vbo_vtxfmt(ctx);
return st;
}
/* Create the device specific context.
*/
GLboolean mach64CreateContext( const __GLcontextModes *glVisual,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate )
{
GLcontext *ctx, *shareCtx;
__DRIscreenPrivate *driScreen = driContextPriv->driScreenPriv;
struct dd_function_table functions;
mach64ContextPtr mmesa;
mach64ScreenPtr mach64Screen;
int i, heap;
GLuint *c_textureSwapsPtr = NULL;
#if DO_DEBUG
MACH64_DEBUG = driParseDebugString(getenv("MACH64_DEBUG"), debug_control);
#endif
/* Allocate the mach64 context */
mmesa = (mach64ContextPtr) CALLOC( sizeof(*mmesa) );
if ( !mmesa )
return GL_FALSE;
/* Init default driver functions then plug in our Mach64-specific functions
* (the texture functions are especially important)
*/
_mesa_init_driver_functions( &functions );
mach64InitDriverFuncs( &functions );
mach64InitIoctlFuncs( &functions );
mach64InitTextureFuncs( &functions );
/* Allocate the Mesa context */
if (sharedContextPrivate)
shareCtx = ((mach64ContextPtr) sharedContextPrivate)->glCtx;
else
shareCtx = NULL;
mmesa->glCtx = _mesa_create_context(glVisual, shareCtx,
&functions, (void *)mmesa);
if (!mmesa->glCtx) {
FREE(mmesa);
return GL_FALSE;
}
driContextPriv->driverPrivate = mmesa;
ctx = mmesa->glCtx;
mmesa->driContext = driContextPriv;
mmesa->driScreen = driScreen;
mmesa->driDrawable = NULL;
mmesa->hHWContext = driContextPriv->hHWContext;
mmesa->driHwLock = &driScreen->pSAREA->lock;
mmesa->driFd = driScreen->fd;
mach64Screen = mmesa->mach64Screen = (mach64ScreenPtr)driScreen->private;
/* Parse configuration files */
driParseConfigFiles (&mmesa->optionCache, &mach64Screen->optionCache,
mach64Screen->driScreen->myNum, "mach64");
mmesa->sarea = (drm_mach64_sarea_t *)((char *)driScreen->pSAREA +
sizeof(drm_sarea_t));
mmesa->CurrentTexObj[0] = NULL;
mmesa->CurrentTexObj[1] = NULL;
(void) memset( mmesa->texture_heaps, 0, sizeof( mmesa->texture_heaps ) );
make_empty_list( &mmesa->swapped );
mmesa->firstTexHeap = mach64Screen->firstTexHeap;
mmesa->lastTexHeap = mach64Screen->firstTexHeap + mach64Screen->numTexHeaps;
for ( i = mmesa->firstTexHeap ; i < mmesa->lastTexHeap ; i++ ) {
mmesa->texture_heaps[i] = driCreateTextureHeap( i, mmesa,
mach64Screen->texSize[i],
6, /* align to 64-byte boundary, use 12 for page-size boundary */
MACH64_NR_TEX_REGIONS,
(drmTextureRegionPtr)mmesa->sarea->tex_list[i],
&mmesa->sarea->tex_age[i],
&mmesa->swapped,
sizeof( mach64TexObj ),
(destroy_texture_object_t *) mach64DestroyTexObj );
#if ENABLE_PERF_BOXES
c_textureSwapsPtr = & mmesa->c_textureSwaps;
#endif
driSetTextureSwapCounterLocation( mmesa->texture_heaps[i],
c_textureSwapsPtr );
}
mmesa->RenderIndex = -1; /* Impossible value */
mmesa->vert_buf = NULL;
mmesa->num_verts = 0;
mmesa->new_state = MACH64_NEW_ALL;
mmesa->dirty = MACH64_UPLOAD_ALL;
/* Set the maximum texture size small enough that we can
* guarentee that both texture units can bind a maximal texture
* and have them both in memory (on-card or AGP) at once.
* Test for 2 textures * bytes/texel * size * size. There's no
* need to account for mipmaps since we only upload one level.
*/
ctx->Const.MaxTextureUnits = 2;
ctx->Const.MaxTextureImageUnits = 2;
ctx->Const.MaxTextureCoordUnits = 2;
heap = mach64Screen->IsPCI ? MACH64_CARD_HEAP : MACH64_AGP_HEAP;
driCalculateMaxTextureLevels( & mmesa->texture_heaps[heap],
1,
& ctx->Const,
mach64Screen->cpp,
10, /* max 2D texture size is 1024x1024 */
0, /* 3D textures unsupported. */
0, /* cube textures unsupported. */
0, /* texture rectangles unsupported. */
1, /* mipmapping unsupported. */
GL_TRUE, /* need to have both textures in
either local or AGP memory */
0 );
#if ENABLE_PERF_BOXES
mmesa->boxes = ( getenv( "LIBGL_PERFORMANCE_BOXES" ) != NULL );
#endif
/* Allocate the vertex buffer
*/
mmesa->vert_buf = ALIGN_MALLOC(MACH64_BUFFER_SIZE, 32);
if ( !mmesa->vert_buf )
return GL_FALSE;
mmesa->vert_used = 0;
mmesa->vert_total = MACH64_BUFFER_SIZE;
/* Initialize the software rasterizer and helper modules.
*/
_swrast_CreateContext( ctx );
_vbo_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
/* Install the customized pipeline:
*/
/* _tnl_destroy_pipeline( ctx ); */
/* _tnl_install_pipeline( ctx, mach64_pipeline ); */
/* Configure swrast and T&L to match hardware characteristics:
*/
_swrast_allow_pixel_fog( ctx, GL_FALSE );
_swrast_allow_vertex_fog( ctx, GL_TRUE );
_tnl_allow_pixel_fog( ctx, GL_FALSE );
_tnl_allow_vertex_fog( ctx, GL_TRUE );
driInitExtensions( ctx, card_extensions, GL_TRUE );
mach64InitVB( ctx );
mach64InitTriFuncs( ctx );
mach64DDInitStateFuncs( ctx );
mach64DDInitSpanFuncs( ctx );
mach64DDInitState( mmesa );
mmesa->do_irqs = (mmesa->mach64Screen->irq && !getenv("MACH64_NO_IRQS"));
mmesa->vblank_flags = (mmesa->do_irqs)
? driGetDefaultVBlankFlags(&mmesa->optionCache) : VBLANK_FLAG_NO_IRQ;
driContextPriv->driverPrivate = (void *)mmesa;
if (driQueryOptionb(&mmesa->optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D acceleration\n");
FALLBACK(mmesa, MACH64_FALLBACK_DISABLE, 1);
}
return GL_TRUE;
}
/**
* New in Mesa 3.5
*
* Create context and specify size of ancillary buffers.
*/
GLAPI OSMesaContext GLAPIENTRY
OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
GLint accumBits, OSMesaContext sharelist )
{
OSMesaContext osmesa;
struct dd_function_table functions;
GLint rind, gind, bind, aind;
GLint indexBits = 0, redBits = 0, greenBits = 0, blueBits = 0, alphaBits =0;
GLboolean rgbmode;
GLenum type = CHAN_TYPE;
rind = gind = bind = aind = 0;
if (format==OSMESA_COLOR_INDEX) {
indexBits = 8;
rgbmode = GL_FALSE;
}
else if (format==OSMESA_RGBA) {
indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
rind = 0;
gind = 1;
bind = 2;
aind = 3;
rgbmode = GL_TRUE;
}
else if (format==OSMESA_BGRA) {
indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
bind = 0;
gind = 1;
rind = 2;
aind = 3;
rgbmode = GL_TRUE;
}
else if (format==OSMESA_ARGB) {
indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
aind = 0;
rind = 1;
gind = 2;
bind = 3;
rgbmode = GL_TRUE;
}
else if (format==OSMESA_RGB) {
indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = 0;
rind = 0;
gind = 1;
bind = 2;
rgbmode = GL_TRUE;
}
else if (format==OSMESA_BGR) {
indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = 0;
rind = 2;
gind = 1;
bind = 0;
rgbmode = GL_TRUE;
}
#if CHAN_TYPE == GL_UNSIGNED_BYTE
else if (format==OSMESA_RGB_565) {
indexBits = 0;
redBits = 5;
greenBits = 6;
blueBits = 5;
alphaBits = 0;
rind = 0; /* not used */
gind = 0;
bind = 0;
rgbmode = GL_TRUE;
}
#endif
else {
return NULL;
}
osmesa = (OSMesaContext) CALLOC_STRUCT(osmesa_context);
if (osmesa) {
osmesa->gl_visual = _mesa_create_visual( rgbmode,
GL_FALSE, /* double buffer */
GL_FALSE, /* stereo */
redBits,
greenBits,
blueBits,
alphaBits,
indexBits,
depthBits,
stencilBits,
accumBits,
accumBits,
accumBits,
alphaBits ? accumBits : 0,
1 /* num samples */
);
if (!osmesa->gl_visual) {
_mesa_free(osmesa);
return NULL;
}
/* Initialize device driver function table */
_mesa_init_driver_functions(&functions);
/* override with our functions */
functions.GetString = get_string;
functions.UpdateState = osmesa_update_state;
functions.GetBufferSize = NULL;
if (!_mesa_initialize_context(&osmesa->mesa,
osmesa->gl_visual,
sharelist ? &sharelist->mesa
: (GLcontext *) NULL,
&functions, (void *) osmesa)) {
_mesa_destroy_visual( osmesa->gl_visual );
_mesa_free(osmesa);
return NULL;
}
_mesa_enable_sw_extensions(&(osmesa->mesa));
_mesa_enable_1_3_extensions(&(osmesa->mesa));
_mesa_enable_1_4_extensions(&(osmesa->mesa));
_mesa_enable_1_5_extensions(&(osmesa->mesa));
osmesa->gl_buffer = _mesa_create_framebuffer(osmesa->gl_visual);
if (!osmesa->gl_buffer) {
_mesa_destroy_visual( osmesa->gl_visual );
_mesa_free_context_data( &osmesa->mesa );
_mesa_free(osmesa);
return NULL;
}
/* create front color buffer in user-provided memory (no back buffer) */
osmesa->rb = new_osmesa_renderbuffer(&osmesa->mesa, format, type);
_mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT, osmesa->rb);
assert(osmesa->rb->RefCount == 2);
_mesa_add_soft_renderbuffers(osmesa->gl_buffer,
GL_FALSE, /* color */
osmesa->gl_visual->haveDepthBuffer,
osmesa->gl_visual->haveStencilBuffer,
osmesa->gl_visual->haveAccumBuffer,
GL_FALSE, /* alpha */
GL_FALSE /* aux */ );
osmesa->format = format;
osmesa->userRowLength = 0;
osmesa->yup = GL_TRUE;
osmesa->rInd = rind;
osmesa->gInd = gind;
osmesa->bInd = bind;
osmesa->aInd = aind;
/* Initialize the software rasterizer and helper modules. */
{
GLcontext *ctx = &osmesa->mesa;
SWcontext *swrast;
TNLcontext *tnl;
if (!_swrast_CreateContext( ctx ) ||
!_vbo_CreateContext( ctx ) ||
!_tnl_CreateContext( ctx ) ||
!_swsetup_CreateContext( ctx )) {
_mesa_destroy_visual(osmesa->gl_visual);
_mesa_free_context_data(ctx);
_mesa_free(osmesa);
return NULL;
}
_swsetup_Wakeup( ctx );
/* use default TCL pipeline */
tnl = TNL_CONTEXT(ctx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
/* Extend the software rasterizer with our optimized line and triangle
* drawing functions.
*/
swrast = SWRAST_CONTEXT( ctx );
swrast->choose_line = osmesa_choose_line;
swrast->choose_triangle = osmesa_choose_triangle;
}
}
return osmesa;
}
/**
* New in Mesa 11.2
*
* Create context with attribute list.
*/
GLAPI OSMesaContext GLAPIENTRY
OSMesaCreateContextAttribs(const int *attribList, OSMesaContext sharelist)
{
OSMesaContext osmesa;
struct dd_function_table functions;
GLint rind, gind, bind, aind;
GLint redBits = 0, greenBits = 0, blueBits = 0, alphaBits =0;
GLenum format = OSMESA_RGBA;
GLint depthBits = 0, stencilBits = 0, accumBits = 0;
int profile = OSMESA_COMPAT_PROFILE, version_major = 1, version_minor = 0;
gl_api api_profile = API_OPENGL_COMPAT;
int i;
for (i = 0; attribList[i]; i += 2) {
switch (attribList[i]) {
case OSMESA_FORMAT:
format = attribList[i+1];
switch (format) {
case OSMESA_COLOR_INDEX:
case OSMESA_RGBA:
case OSMESA_BGRA:
case OSMESA_ARGB:
case OSMESA_RGB:
case OSMESA_BGR:
case OSMESA_RGB_565:
/* legal */
break;
default:
return NULL;
}
break;
case OSMESA_DEPTH_BITS:
depthBits = attribList[i+1];
if (depthBits < 0)
return NULL;
break;
case OSMESA_STENCIL_BITS:
stencilBits = attribList[i+1];
if (stencilBits < 0)
return NULL;
break;
case OSMESA_ACCUM_BITS:
accumBits = attribList[i+1];
if (accumBits < 0)
return NULL;
break;
case OSMESA_PROFILE:
profile = attribList[i+1];
if (profile == OSMESA_COMPAT_PROFILE)
api_profile = API_OPENGL_COMPAT;
else if (profile == OSMESA_CORE_PROFILE)
api_profile = API_OPENGL_CORE;
else
return NULL;
break;
case OSMESA_CONTEXT_MAJOR_VERSION:
version_major = attribList[i+1];
if (version_major < 1)
return NULL;
break;
case OSMESA_CONTEXT_MINOR_VERSION:
version_minor = attribList[i+1];
if (version_minor < 0)
return NULL;
break;
case 0:
/* end of list */
break;
default:
fprintf(stderr, "Bad attribute in OSMesaCreateContextAttribs()\n");
return NULL;
}
}
rind = gind = bind = aind = 0;
if (format==OSMESA_RGBA) {
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
rind = 0;
gind = 1;
bind = 2;
aind = 3;
}
else if (format==OSMESA_BGRA) {
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
bind = 0;
gind = 1;
rind = 2;
aind = 3;
}
else if (format==OSMESA_ARGB) {
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
aind = 0;
rind = 1;
gind = 2;
bind = 3;
}
else if (format==OSMESA_RGB) {
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = 0;
rind = 0;
gind = 1;
bind = 2;
}
else if (format==OSMESA_BGR) {
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = 0;
rind = 2;
gind = 1;
bind = 0;
}
#if CHAN_TYPE == GL_UNSIGNED_BYTE
else if (format==OSMESA_RGB_565) {
redBits = 5;
greenBits = 6;
blueBits = 5;
alphaBits = 0;
rind = 0; /* not used */
gind = 0;
bind = 0;
}
#endif
else {
return NULL;
}
osmesa = (OSMesaContext) CALLOC_STRUCT(osmesa_context);
if (osmesa) {
osmesa->gl_visual = _mesa_create_visual( GL_FALSE, /* double buffer */
GL_FALSE, /* stereo */
redBits,
greenBits,
blueBits,
alphaBits,
depthBits,
stencilBits,
accumBits,
accumBits,
accumBits,
alphaBits ? accumBits : 0,
1 /* num samples */
);
if (!osmesa->gl_visual) {
free(osmesa);
return NULL;
}
/* Initialize device driver function table */
_mesa_init_driver_functions(&functions);
/* override with our functions */
functions.GetString = get_string;
functions.UpdateState = osmesa_update_state_wrapper;
if (!_mesa_initialize_context(&osmesa->mesa,
api_profile,
osmesa->gl_visual,
sharelist ? &sharelist->mesa
: (struct gl_context *) NULL,
&functions)) {
_mesa_destroy_visual( osmesa->gl_visual );
free(osmesa);
return NULL;
}
_mesa_enable_sw_extensions(&(osmesa->mesa));
osmesa->gl_buffer = _mesa_create_framebuffer(osmesa->gl_visual);
if (!osmesa->gl_buffer) {
_mesa_destroy_visual( osmesa->gl_visual );
_mesa_free_context_data( &osmesa->mesa );
free(osmesa);
return NULL;
}
/* Create depth/stencil/accum buffers. We'll create the color
* buffer later in OSMesaMakeCurrent().
*/
_swrast_add_soft_renderbuffers(osmesa->gl_buffer,
GL_FALSE, /* color */
osmesa->gl_visual->haveDepthBuffer,
osmesa->gl_visual->haveStencilBuffer,
osmesa->gl_visual->haveAccumBuffer,
GL_FALSE, /* alpha */
GL_FALSE /* aux */ );
osmesa->format = format;
osmesa->userRowLength = 0;
osmesa->yup = GL_TRUE;
osmesa->rInd = rind;
osmesa->gInd = gind;
osmesa->bInd = bind;
osmesa->aInd = aind;
_mesa_meta_init(&osmesa->mesa);
/* Initialize the software rasterizer and helper modules. */
{
struct gl_context *ctx = &osmesa->mesa;
SWcontext *swrast;
TNLcontext *tnl;
if (!_swrast_CreateContext( ctx ) ||
!_vbo_CreateContext( ctx ) ||
!_tnl_CreateContext( ctx ) ||
!_swsetup_CreateContext( ctx )) {
_mesa_destroy_visual(osmesa->gl_visual);
_mesa_free_context_data(ctx);
free(osmesa);
return NULL;
}
_swsetup_Wakeup( ctx );
/* use default TCL pipeline */
tnl = TNL_CONTEXT(ctx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
ctx->Driver.MapRenderbuffer = osmesa_MapRenderbuffer;
ctx->Driver.UnmapRenderbuffer = osmesa_UnmapRenderbuffer;
ctx->Driver.GenerateMipmap = _mesa_generate_mipmap;
/* Extend the software rasterizer with our optimized line and triangle
* drawing functions.
*/
swrast = SWRAST_CONTEXT( ctx );
swrast->choose_line = osmesa_choose_line;
swrast->choose_triangle = osmesa_choose_triangle;
_mesa_compute_version(ctx);
if (ctx->Version < version_major * 10 + version_minor) {
_mesa_destroy_visual(osmesa->gl_visual);
_mesa_free_context_data(ctx);
free(osmesa);
return NULL;
}
/* Exec table initialization requires the version to be computed */
_mesa_initialize_dispatch_tables(ctx);
_mesa_initialize_vbo_vtxfmt(ctx);
}
}
return osmesa;
}
bool
intelInitContext(struct brw_context *brw,
int api,
unsigned major_version,
unsigned minor_version,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate,
struct dd_function_table *functions,
unsigned *dri_ctx_error)
{
struct gl_context *ctx = &brw->ctx;
struct gl_context *shareCtx = (struct gl_context *) sharedContextPrivate;
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = sPriv->driverPrivate;
int bo_reuse_mode;
struct gl_config visual;
/* we can't do anything without a connection to the device */
if (intelScreen->bufmgr == NULL) {
*dri_ctx_error = __DRI_CTX_ERROR_NO_MEMORY;
return false;
}
if (!validate_context_version(intelScreen,
api, major_version, minor_version,
dri_ctx_error))
return false;
/* Can't rely on invalidate events, fall back to glViewport hack */
if (!driContextPriv->driScreenPriv->dri2.useInvalidate) {
brw->saved_viewport = functions->Viewport;
functions->Viewport = intel_viewport;
}
if (mesaVis == NULL) {
memset(&visual, 0, sizeof visual);
mesaVis = &visual;
}
brw->intelScreen = intelScreen;
if (!_mesa_initialize_context(&brw->ctx, api, mesaVis, shareCtx,
functions)) {
*dri_ctx_error = __DRI_CTX_ERROR_NO_MEMORY;
printf("%s: failed to init mesa context\n", __FUNCTION__);
return false;
}
driContextPriv->driverPrivate = brw;
brw->driContext = driContextPriv;
brw->gen = intelScreen->gen;
const int devID = intelScreen->deviceID;
if (IS_SNB_GT1(devID) || IS_IVB_GT1(devID) || IS_HSW_GT1(devID))
brw->gt = 1;
else if (IS_SNB_GT2(devID) || IS_IVB_GT2(devID) || IS_HSW_GT2(devID))
brw->gt = 2;
else if (IS_HSW_GT3(devID))
brw->gt = 3;
else
brw->gt = 0;
if (IS_HASWELL(devID)) {
brw->is_haswell = true;
} else if (IS_BAYTRAIL(devID)) {
brw->is_baytrail = true;
brw->gt = 1;
} else if (IS_G4X(devID)) {
brw->is_g4x = true;
}
brw->has_separate_stencil = brw->intelScreen->hw_has_separate_stencil;
brw->must_use_separate_stencil = brw->intelScreen->hw_must_use_separate_stencil;
brw->has_hiz = brw->gen >= 6;
brw->has_llc = brw->intelScreen->hw_has_llc;
brw->has_swizzling = brw->intelScreen->hw_has_swizzling;
memset(&ctx->TextureFormatSupported,
0, sizeof(ctx->TextureFormatSupported));
driParseConfigFiles(&brw->optionCache, &intelScreen->optionCache,
sPriv->myNum, "i965");
/* Estimate the size of the mappable aperture into the GTT. There's an
* ioctl to get the whole GTT size, but not one to get the mappable subset.
* It turns out it's basically always 256MB, though some ancient hardware
* was smaller.
*/
uint32_t gtt_size = 256 * 1024 * 1024;
/* We don't want to map two objects such that a memcpy between them would
* just fault one mapping in and then the other over and over forever. So
* we would need to divide the GTT size by 2. Additionally, some GTT is
* taken up by things like the framebuffer and the ringbuffer and such, so
* be more conservative.
*/
brw->max_gtt_map_object_size = gtt_size / 4;
brw->bufmgr = intelScreen->bufmgr;
bo_reuse_mode = driQueryOptioni(&brw->optionCache, "bo_reuse");
switch (bo_reuse_mode) {
case DRI_CONF_BO_REUSE_DISABLED:
break;
case DRI_CONF_BO_REUSE_ALL:
intel_bufmgr_gem_enable_reuse(brw->bufmgr);
break;
}
/* Initialize the software rasterizer and helper modules.
*
* As of GL 3.1 core, the gen4+ driver doesn't need the swrast context for
* software fallbacks (which we have to support on legacy GL to do weird
* glDrawPixels(), glBitmap(), and other functions).
*/
if (api != API_OPENGL_CORE && api != API_OPENGLES2) {
_swrast_CreateContext(ctx);
}
_vbo_CreateContext(ctx);
if (ctx->swrast_context) {
_tnl_CreateContext(ctx);
_swsetup_CreateContext(ctx);
/* Configure swrast to match hardware characteristics: */
_swrast_allow_pixel_fog(ctx, false);
_swrast_allow_vertex_fog(ctx, true);
}
_mesa_meta_init(ctx);
intelInitExtensions(ctx);
INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
if (INTEL_DEBUG & DEBUG_BUFMGR)
dri_bufmgr_set_debug(brw->bufmgr, true);
if ((INTEL_DEBUG & DEBUG_SHADER_TIME) && brw->gen < 7) {
fprintf(stderr,
"shader_time debugging requires gen7 (Ivybridge) or better.\n");
INTEL_DEBUG &= ~DEBUG_SHADER_TIME;
}
if (INTEL_DEBUG & DEBUG_PERF)
brw->perf_debug = true;
if (INTEL_DEBUG & DEBUG_AUB)
drm_intel_bufmgr_gem_set_aub_dump(brw->bufmgr, true);
intel_batchbuffer_init(brw);
intel_fbo_init(brw);
if (!driQueryOptionb(&brw->optionCache, "hiz")) {
brw->has_hiz = false;
/* On gen6, you can only do separate stencil with HIZ. */
if (brw->gen == 6)
brw->has_separate_stencil = false;
}
if (driQueryOptionb(&brw->optionCache, "always_flush_batch")) {
fprintf(stderr, "flushing batchbuffer before/after each draw call\n");
brw->always_flush_batch = 1;
}
if (driQueryOptionb(&brw->optionCache, "always_flush_cache")) {
fprintf(stderr, "flushing GPU caches before/after each draw call\n");
brw->always_flush_cache = 1;
}
if (driQueryOptionb(&brw->optionCache, "disable_throttling")) {
fprintf(stderr, "disabling flush throttling\n");
brw->disable_throttling = 1;
}
return true;
}
/* Create the device specific context.
*/
GLboolean
r100CreateContext( gl_api api,
const struct gl_config *glVisual,
__DRIcontext *driContextPriv,
const struct __DriverContextConfig *ctx_config,
unsigned *error,
void *sharedContextPrivate)
{
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
radeonScreenPtr screen = (radeonScreenPtr)(sPriv->driverPrivate);
struct dd_function_table functions;
r100ContextPtr rmesa;
struct gl_context *ctx;
int i;
int tcl_mode, fthrottle_mode;
if (ctx_config->flags & ~(__DRI_CTX_FLAG_DEBUG | __DRI_CTX_FLAG_NO_ERROR)) {
*error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
return false;
}
if (ctx_config->attribute_mask) {
*error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
return false;
}
assert(driContextPriv);
assert(screen);
/* Allocate the Radeon context */
rmesa = calloc(1, sizeof(*rmesa));
if ( !rmesa ) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
rmesa->radeon.radeonScreen = screen;
r100_init_vtbl(&rmesa->radeon);
/* init exp fog table data */
radeonInitStaticFogData();
/* Parse configuration files.
* Do this here so that initialMaxAnisotropy is set before we create
* the default textures.
*/
driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache,
screen->driScreen->myNum, "radeon", NULL);
rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache,
"def_max_anisotropy");
if (driQueryOptionb(&rmesa->radeon.optionCache, "hyperz"))
rmesa->using_hyperz = GL_TRUE;
/* Init default driver functions then plug in our Radeon-specific functions
* (the texture functions are especially important)
*/
_mesa_init_driver_functions( &functions );
_tnl_init_driver_draw_function( &functions );
radeonInitTextureFuncs( &rmesa->radeon, &functions );
radeonInitQueryObjFunctions(&functions);
if (!radeonInitContext(&rmesa->radeon, api, &functions,
glVisual, driContextPriv,
sharedContextPrivate)) {
free(rmesa);
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
rmesa->radeon.swtcl.RenderIndex = ~0;
rmesa->radeon.hw.all_dirty = GL_TRUE;
ctx = &rmesa->radeon.glCtx;
driContextSetFlags(ctx, ctx_config->flags);
/* Initialize the software rasterizer and helper modules.
*/
_swrast_CreateContext( ctx );
_vbo_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache,
"texture_units");
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits;
ctx->Const.StripTextureBorder = GL_TRUE;
/* FIXME: When no memory manager is available we should set this
* to some reasonable value based on texture memory pool size */
ctx->Const.MaxTextureLevels = 12;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 12;
ctx->Const.MaxTextureRectSize = 2048;
ctx->Const.MaxTextureMaxAnisotropy = 16.0;
/* No wide points.
*/
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSize = 1.0;
ctx->Const.MaxPointSizeAA = 1.0;
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 10.0;
ctx->Const.MaxLineWidthAA = 10.0;
ctx->Const.LineWidthGranularity = 0.0625;
/* Set maxlocksize (and hence vb size) small enough to avoid
* fallbacks in radeon_tcl.c. ie. guarentee that all vertices can
* fit in a single dma buffer for indexed rendering of quad strips,
* etc.
*/
ctx->Const.MaxArrayLockSize =
MIN2( ctx->Const.MaxArrayLockSize,
RADEON_BUFFER_SIZE / RADEON_MAX_TCL_VERTSIZE );
rmesa->boxes = 0;
ctx->Const.MaxDrawBuffers = 1;
ctx->Const.MaxColorAttachments = 1;
ctx->Const.MaxRenderbufferSize = 2048;
ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].OptimizeForAOS = true;
/* Install the customized pipeline:
*/
_tnl_destroy_pipeline( ctx );
_tnl_install_pipeline( ctx, radeon_pipeline );
/* Try and keep materials and vertices separate:
*/
/* _tnl_isolate_materials( ctx, GL_TRUE ); */
/* Configure swrast and T&L to match hardware characteristics:
*/
_swrast_allow_pixel_fog( ctx, GL_FALSE );
_swrast_allow_vertex_fog( ctx, GL_TRUE );
_tnl_allow_pixel_fog( ctx, GL_FALSE );
_tnl_allow_vertex_fog( ctx, GL_TRUE );
for ( i = 0 ; i < RADEON_MAX_TEXTURE_UNITS ; i++ ) {
_math_matrix_ctr( &rmesa->TexGenMatrix[i] );
_math_matrix_ctr( &rmesa->tmpmat[i] );
_math_matrix_set_identity( &rmesa->TexGenMatrix[i] );
_math_matrix_set_identity( &rmesa->tmpmat[i] );
}
ctx->Extensions.ARB_occlusion_query = true;
ctx->Extensions.ARB_texture_border_clamp = true;
ctx->Extensions.ARB_texture_cube_map = true;
ctx->Extensions.ARB_texture_env_combine = true;
ctx->Extensions.ARB_texture_env_crossbar = true;
ctx->Extensions.ARB_texture_env_dot3 = true;
ctx->Extensions.ARB_texture_filter_anisotropic = true;
ctx->Extensions.ARB_texture_mirror_clamp_to_edge = true;
ctx->Extensions.ATI_texture_env_combine3 = true;
ctx->Extensions.ATI_texture_mirror_once = true;
ctx->Extensions.EXT_texture_env_dot3 = true;
ctx->Extensions.EXT_texture_filter_anisotropic = true;
ctx->Extensions.EXT_texture_mirror_clamp = true;
ctx->Extensions.MESA_ycbcr_texture = true;
ctx->Extensions.NV_texture_rectangle = true;
ctx->Extensions.OES_EGL_image = true;
ctx->Extensions.EXT_texture_compression_s3tc = true;
ctx->Extensions.ANGLE_texture_compression_dxt = true;
/* XXX these should really go right after _mesa_init_driver_functions() */
radeon_fbo_init(&rmesa->radeon);
radeonInitSpanFuncs( ctx );
radeonInitIoctlFuncs( ctx );
radeonInitStateFuncs( ctx );
radeonInitState( rmesa );
radeonInitSwtcl( ctx );
_mesa_vector4f_alloc( &rmesa->tcl.ObjClean, 0,
ctx->Const.MaxArrayLockSize, 32 );
fthrottle_mode = driQueryOptioni(&rmesa->radeon.optionCache, "fthrottle_mode");
rmesa->radeon.iw.irq_seq = -1;
rmesa->radeon.irqsEmitted = 0;
rmesa->radeon.do_irqs = (rmesa->radeon.radeonScreen->irq != 0 &&
fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS);
rmesa->radeon.do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS);
tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode");
if (getenv("RADEON_NO_RAST")) {
fprintf(stderr, "disabling 3D acceleration\n");
FALLBACK(rmesa, RADEON_FALLBACK_DISABLE, 1);
} else if (tcl_mode == DRI_CONF_TCL_SW ||
!(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL;
fprintf(stderr, "Disabling HW TCL support\n");
}
TCL_FALLBACK(&rmesa->radeon.glCtx, RADEON_TCL_FALLBACK_TCL_DISABLE, 1);
}
if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
/* _tnl_need_dlist_norm_lengths( ctx, GL_FALSE ); */
}
_mesa_override_extensions(ctx);
_mesa_compute_version(ctx);
/* Exec table initialization requires the version to be computed */
_mesa_initialize_dispatch_tables(ctx);
_mesa_initialize_vbo_vtxfmt(ctx);
*error = __DRI_CTX_ERROR_SUCCESS;
return GL_TRUE;
}
static struct st_context *
st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe,
const struct st_config_options *options)
{
struct pipe_screen *screen = pipe->screen;
uint i;
struct st_context *st = ST_CALLOC_STRUCT( st_context );
st->options = *options;
ctx->st = st;
st->ctx = ctx;
st->pipe = pipe;
/* XXX: this is one-off, per-screen init: */
st_debug_init();
/* state tracker needs the VBO module */
_vbo_CreateContext(ctx);
st->dirty.mesa = ~0;
st->dirty.st = ~0;
/* Create upload manager for vertex data for glBitmap, glDrawPixels,
* glClear, etc.
*/
st->uploader = u_upload_create(st->pipe, 65536, 4, PIPE_BIND_VERTEX_BUFFER);
if (!screen->get_param(screen, PIPE_CAP_USER_INDEX_BUFFERS)) {
st->indexbuf_uploader = u_upload_create(st->pipe, 128 * 1024, 4,
PIPE_BIND_INDEX_BUFFER);
}
if (!screen->get_param(screen, PIPE_CAP_USER_CONSTANT_BUFFERS)) {
unsigned alignment =
screen->get_param(screen, PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT);
st->constbuf_uploader = u_upload_create(pipe, 128 * 1024, alignment,
PIPE_BIND_CONSTANT_BUFFER);
}
st->cso_context = cso_create_context(pipe);
st_init_atoms( st );
st_init_bitmap(st);
st_init_clear(st);
st_init_draw( st );
st_init_generate_mipmap(st);
/* Choose texture target for glDrawPixels, glBitmap, renderbuffers */
if (pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES))
st->internal_target = PIPE_TEXTURE_2D;
else
st->internal_target = PIPE_TEXTURE_RECT;
/* Vertex element objects used for drawing rectangles for glBitmap,
* glDrawPixels, glClear, etc.
*/
for (i = 0; i < Elements(st->velems_util_draw); i++) {
memset(&st->velems_util_draw[i], 0, sizeof(struct pipe_vertex_element));
st->velems_util_draw[i].src_offset = i * 4 * sizeof(float);
st->velems_util_draw[i].instance_divisor = 0;
st->velems_util_draw[i].vertex_buffer_index =
cso_get_aux_vertex_buffer_slot(st->cso_context);
st->velems_util_draw[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
}
/* we want all vertex data to be placed in buffer objects */
vbo_use_buffer_objects(ctx);
/* make sure that no VBOs are left mapped when we're drawing. */
vbo_always_unmap_buffers(ctx);
/* Need these flags:
*/
st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
st->ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
st->pixel_xfer.cache = _mesa_new_program_cache();
st->has_stencil_export =
screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT);
st->has_shader_model3 = screen->get_param(screen, PIPE_CAP_SM3);
st->prefer_blit_based_texture_transfer = screen->get_param(screen,
PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER);
st->needs_texcoord_semantic =
screen->get_param(screen, PIPE_CAP_TGSI_TEXCOORD);
st->apply_texture_swizzle_to_border_color =
!!(screen->get_param(screen, PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK) &
(PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 |
PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600));
/* GL limits and extensions */
st_init_limits(st);
st_init_extensions(st);
_mesa_compute_version(ctx);
_mesa_initialize_dispatch_tables(ctx);
_mesa_initialize_vbo_vtxfmt(ctx);
return st;
}
/* Create the device specific rendering context.
*/
GLboolean r200CreateContext( gl_api api,
const struct gl_config *glVisual,
__DRIcontext *driContextPriv,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
unsigned *error,
void *sharedContextPrivate)
{
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
radeonScreenPtr screen = (radeonScreenPtr)(sPriv->driverPrivate);
struct dd_function_table functions;
r200ContextPtr rmesa;
struct gl_context *ctx;
int i;
int tcl_mode;
/* API and flag filtering is handled in dri2CreateContextAttribs.
*/
(void) api;
(void) flags;
assert(glVisual);
assert(driContextPriv);
assert(screen);
/* Allocate the R200 context */
rmesa = (r200ContextPtr) CALLOC( sizeof(*rmesa) );
if ( !rmesa ) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
rmesa->radeon.radeonScreen = screen;
r200_init_vtbl(&rmesa->radeon);
/* init exp fog table data */
radeonInitStaticFogData();
/* Parse configuration files.
* Do this here so that initialMaxAnisotropy is set before we create
* the default textures.
*/
driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache,
screen->driScreen->myNum, "r200");
rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache,
"def_max_anisotropy");
if ( sPriv->drm_version.major == 1
&& driQueryOptionb( &rmesa->radeon.optionCache, "hyperz" ) ) {
if ( sPriv->drm_version.minor < 13 )
fprintf( stderr, "DRM version 1.%d too old to support HyperZ, "
"disabling.\n", sPriv->drm_version.minor );
else
rmesa->using_hyperz = GL_TRUE;
}
if ( sPriv->drm_version.minor >= 15 )
rmesa->texmicrotile = GL_TRUE;
/* Init default driver functions then plug in our R200-specific functions
* (the texture functions are especially important)
*/
_mesa_init_driver_functions(&functions);
r200InitDriverFuncs(&functions);
r200InitIoctlFuncs(&functions);
r200InitStateFuncs(&rmesa->radeon, &functions);
r200InitTextureFuncs(&rmesa->radeon, &functions);
r200InitShaderFuncs(&functions);
radeonInitQueryObjFunctions(&functions);
if (!radeonInitContext(&rmesa->radeon, &functions,
glVisual, driContextPriv,
sharedContextPrivate)) {
FREE(rmesa);
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
rmesa->radeon.swtcl.RenderIndex = ~0;
rmesa->radeon.hw.all_dirty = 1;
/* Set the maximum texture size small enough that we can guarentee that
* all texture units can bind a maximal texture and have all of them in
* texturable memory at once. Depending on the allow_large_textures driconf
* setting allow larger textures.
*/
ctx = rmesa->radeon.glCtx;
ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache,
"texture_units");
ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits;
ctx->Const.StripTextureBorder = GL_TRUE;
i = driQueryOptioni( &rmesa->radeon.optionCache, "allow_large_textures");
/* FIXME: When no memory manager is available we should set this
* to some reasonable value based on texture memory pool size */
ctx->Const.MaxTextureLevels = 12;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 12;
ctx->Const.MaxTextureRectSize = 2048;
ctx->Const.MaxRenderbufferSize = 2048;
ctx->Const.MaxTextureMaxAnisotropy = 16.0;
/* No wide AA points.
*/
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSizeAA = 1.0;
ctx->Const.PointSizeGranularity = 0.0625;
ctx->Const.MaxPointSize = 2047.0;
/* mesa initialization problem - _mesa_init_point was already called */
ctx->Point.MaxSize = ctx->Const.MaxPointSize;
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 10.0;
ctx->Const.MaxLineWidthAA = 10.0;
ctx->Const.LineWidthGranularity = 0.0625;
ctx->Const.VertexProgram.MaxNativeInstructions = R200_VSF_MAX_INST;
ctx->Const.VertexProgram.MaxNativeAttribs = 12;
ctx->Const.VertexProgram.MaxNativeTemps = R200_VSF_MAX_TEMPS;
ctx->Const.VertexProgram.MaxNativeParameters = R200_VSF_MAX_PARAM;
ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
ctx->Const.MaxDrawBuffers = 1;
ctx->Const.MaxColorAttachments = 1;
_mesa_set_mvp_with_dp4( ctx, GL_TRUE );
/* Initialize the software rasterizer and helper modules.
*/
_swrast_CreateContext( ctx );
_vbo_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
_ae_create_context( ctx );
/* Install the customized pipeline:
*/
_tnl_destroy_pipeline( ctx );
_tnl_install_pipeline( ctx, r200_pipeline );
/* Try and keep materials and vertices separate:
*/
/* _tnl_isolate_materials( ctx, GL_TRUE ); */
/* Configure swrast and TNL to match hardware characteristics:
*/
_swrast_allow_pixel_fog( ctx, GL_FALSE );
_swrast_allow_vertex_fog( ctx, GL_TRUE );
_tnl_allow_pixel_fog( ctx, GL_FALSE );
_tnl_allow_vertex_fog( ctx, GL_TRUE );
for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) {
_math_matrix_ctr( &rmesa->TexGenMatrix[i] );
_math_matrix_set_identity( &rmesa->TexGenMatrix[i] );
}
_math_matrix_ctr( &rmesa->tmpmat );
_math_matrix_set_identity( &rmesa->tmpmat );
ctx->Extensions.ARB_half_float_pixel = true;
ctx->Extensions.ARB_occlusion_query = true;
ctx->Extensions.ARB_texture_border_clamp = true;
ctx->Extensions.ARB_texture_env_combine = true;
ctx->Extensions.ARB_texture_env_dot3 = true;
ctx->Extensions.ARB_texture_env_crossbar = true;
ctx->Extensions.ARB_vertex_array_object = true;
ctx->Extensions.EXT_blend_color = true;
ctx->Extensions.EXT_blend_minmax = true;
ctx->Extensions.EXT_fog_coord = true;
ctx->Extensions.EXT_packed_depth_stencil = true;
ctx->Extensions.EXT_secondary_color = true;
ctx->Extensions.EXT_texture_env_dot3 = true;
ctx->Extensions.EXT_texture_filter_anisotropic = true;
ctx->Extensions.EXT_texture_mirror_clamp = true;
ctx->Extensions.APPLE_vertex_array_object = true;
ctx->Extensions.ATI_texture_env_combine3 = true;
ctx->Extensions.ATI_texture_mirror_once = true;
ctx->Extensions.MESA_pack_invert = true;
ctx->Extensions.NV_blend_square = true;
ctx->Extensions.NV_texture_rectangle = true;
#if FEATURE_OES_EGL_image
ctx->Extensions.OES_EGL_image = true;
#endif
ctx->Extensions.EXT_framebuffer_object = true;
ctx->Extensions.ARB_occlusion_query = true;
if (!(rmesa->radeon.radeonScreen->chip_flags & R200_CHIPSET_YCBCR_BROKEN)) {
/* yuv textures don't work with some chips - R200 / rv280 okay so far
others get the bit ordering right but don't actually do YUV-RGB conversion */
ctx->Extensions.MESA_ycbcr_texture = true;
}
if (rmesa->radeon.glCtx->Mesa_DXTn) {
ctx->Extensions.EXT_texture_compression_s3tc = true;
ctx->Extensions.S3_s3tc = true;
}
else if (driQueryOptionb (&rmesa->radeon.optionCache, "force_s3tc_enable")) {
ctx->Extensions.EXT_texture_compression_s3tc = true;
}
ctx->Extensions.ARB_texture_cube_map = true;
ctx->Extensions.EXT_blend_equation_separate = true;
ctx->Extensions.EXT_blend_func_separate = true;
ctx->Extensions.ARB_vertex_program = true;
ctx->Extensions.EXT_gpu_program_parameters = true;
ctx->Extensions.NV_vertex_program =
driQueryOptionb(&rmesa->radeon.optionCache, "nv_vertex_program");
ctx->Extensions.ATI_fragment_shader = (ctx->Const.MaxTextureUnits == 6);
ctx->Extensions.ARB_point_sprite = true;
ctx->Extensions.EXT_point_parameters = true;
#if 0
r200InitDriverFuncs( ctx );
r200InitIoctlFuncs( ctx );
r200InitStateFuncs( ctx );
r200InitTextureFuncs( ctx );
#endif
/* plug in a few more device driver functions */
/* XXX these should really go right after _mesa_init_driver_functions() */
radeon_fbo_init(&rmesa->radeon);
radeonInitSpanFuncs( ctx );
r200InitTnlFuncs( ctx );
r200InitState( rmesa );
r200InitSwtcl( ctx );
rmesa->prefer_gart_client_texturing =
(getenv("R200_GART_CLIENT_TEXTURES") != 0);
tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode");
if (driQueryOptionb(&rmesa->radeon.optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D acceleration\n");
FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1);
}
else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") ||
!(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL;
fprintf(stderr, "Disabling HW TCL support\n");
}
TCL_FALLBACK(rmesa->radeon.glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1);
}
_mesa_compute_version(ctx);
if (ctx->Version < major_version * 10 + minor_version) {
r200DestroyContext(driContextPriv);
*error = __DRI_CTX_ERROR_BAD_VERSION;
return GL_FALSE;
}
*error = __DRI_CTX_ERROR_SUCCESS;
return GL_TRUE;
}
static EGLContext
fbCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list)
{
GLcontext *ctx;
_EGLConfig *conf;
fbContext *c;
_EGLDisplay *disp = _eglLookupDisplay(dpy);
struct dd_function_table functions;
GLvisual vis;
int i;
conf = _eglLookupConfig(drv, dpy, config);
if (!conf) {
_eglError(EGL_BAD_CONFIG, "eglCreateContext");
return EGL_NO_CONTEXT;
}
for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) {
switch (attrib_list[i]) {
/* no attribs defined for now */
default:
_eglError(EGL_BAD_ATTRIBUTE, "eglCreateContext");
return EGL_NO_CONTEXT;
}
}
c = (fbContext *) calloc(1, sizeof(fbContext));
if (!c)
return EGL_NO_CONTEXT;
_eglInitContext(&c->Base);
c->Base.Display = disp;
c->Base.Config = conf;
c->Base.DrawSurface = EGL_NO_SURFACE;
c->Base.ReadSurface = EGL_NO_SURFACE;
/* generate handle and insert into hash table */
_eglSaveContext(&c->Base);
assert(c->Base.Handle);
/* Init default driver functions then plug in our FBdev-specific functions
*/
_mesa_init_driver_functions(&functions);
init_core_functions(&functions);
_eglConfigToContextModesRec(conf, &vis);
ctx = c->glCtx = _mesa_create_context(&vis, NULL, &functions, (void *)c);
if (!c->glCtx) {
_mesa_free(c);
return GL_FALSE;
}
/* Create module contexts */
_swrast_CreateContext( ctx );
_vbo_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
_swsetup_Wakeup( ctx );
/* use default TCL pipeline */
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
}
_mesa_enable_sw_extensions(ctx);
return c->Base.Handle;
}
/* Create the device specific rendering context.
*/
GLboolean r200CreateContext( const __GLcontextModes *glVisual,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate)
{
__DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
radeonScreenPtr screen = (radeonScreenPtr)(sPriv->private);
struct dd_function_table functions;
r200ContextPtr rmesa;
GLcontext *ctx;
int i;
int tcl_mode;
assert(glVisual);
assert(driContextPriv);
assert(screen);
/* Allocate the R200 context */
rmesa = (r200ContextPtr) CALLOC( sizeof(*rmesa) );
if ( !rmesa )
return GL_FALSE;
r200_init_vtbl(&rmesa->radeon);
/* init exp fog table data */
r200InitStaticFogData();
/* Parse configuration files.
* Do this here so that initialMaxAnisotropy is set before we create
* the default textures.
*/
driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache,
screen->driScreen->myNum, "r200");
rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache,
"def_max_anisotropy");
if ( sPriv->drm_version.major == 1
&& driQueryOptionb( &rmesa->radeon.optionCache, "hyperz" ) ) {
if ( sPriv->drm_version.minor < 13 )
fprintf( stderr, "DRM version 1.%d too old to support HyperZ, "
"disabling.\n", sPriv->drm_version.minor );
else
rmesa->using_hyperz = GL_TRUE;
}
if ( sPriv->drm_version.minor >= 15 )
rmesa->texmicrotile = GL_TRUE;
/* Init default driver functions then plug in our R200-specific functions
* (the texture functions are especially important)
*/
_mesa_init_driver_functions(&functions);
r200InitDriverFuncs(&functions);
r200InitIoctlFuncs(&functions);
r200InitStateFuncs(&functions);
r200InitTextureFuncs(&functions);
r200InitShaderFuncs(&functions);
radeonInitQueryObjFunctions(&functions);
if (!radeonInitContext(&rmesa->radeon, &functions,
glVisual, driContextPriv,
sharedContextPrivate)) {
FREE(rmesa);
return GL_FALSE;
}
rmesa->radeon.swtcl.RenderIndex = ~0;
rmesa->radeon.hw.all_dirty = 1;
/* Set the maximum texture size small enough that we can guarentee that
* all texture units can bind a maximal texture and have all of them in
* texturable memory at once. Depending on the allow_large_textures driconf
* setting allow larger textures.
*/
ctx = rmesa->radeon.glCtx;
ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache,
"texture_units");
ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
i = driQueryOptioni( &rmesa->radeon.optionCache, "allow_large_textures");
/* FIXME: When no memory manager is available we should set this
* to some reasonable value based on texture memory pool size */
ctx->Const.MaxTextureLevels = 12;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 12;
ctx->Const.MaxTextureRectSize = 2048;
ctx->Const.MaxTextureMaxAnisotropy = 16.0;
/* No wide AA points.
*/
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSizeAA = 1.0;
ctx->Const.PointSizeGranularity = 0.0625;
if (rmesa->radeon.radeonScreen->drmSupportsPointSprites)
ctx->Const.MaxPointSize = 2047.0;
else
ctx->Const.MaxPointSize = 1.0;
/* mesa initialization problem - _mesa_init_point was already called */
ctx->Point.MaxSize = ctx->Const.MaxPointSize;
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 10.0;
ctx->Const.MaxLineWidthAA = 10.0;
ctx->Const.LineWidthGranularity = 0.0625;
ctx->Const.VertexProgram.MaxNativeInstructions = R200_VSF_MAX_INST;
ctx->Const.VertexProgram.MaxNativeAttribs = 12;
ctx->Const.VertexProgram.MaxNativeTemps = R200_VSF_MAX_TEMPS;
ctx->Const.VertexProgram.MaxNativeParameters = R200_VSF_MAX_PARAM;
ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
ctx->Const.MaxDrawBuffers = 1;
_mesa_set_mvp_with_dp4( ctx, GL_TRUE );
/* Initialize the software rasterizer and helper modules.
*/
_swrast_CreateContext( ctx );
_vbo_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
_ae_create_context( ctx );
/* Install the customized pipeline:
*/
_tnl_destroy_pipeline( ctx );
_tnl_install_pipeline( ctx, r200_pipeline );
/* Try and keep materials and vertices separate:
*/
/* _tnl_isolate_materials( ctx, GL_TRUE ); */
/* Configure swrast and TNL to match hardware characteristics:
*/
_swrast_allow_pixel_fog( ctx, GL_FALSE );
_swrast_allow_vertex_fog( ctx, GL_TRUE );
_tnl_allow_pixel_fog( ctx, GL_FALSE );
_tnl_allow_vertex_fog( ctx, GL_TRUE );
for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) {
_math_matrix_ctr( &rmesa->TexGenMatrix[i] );
_math_matrix_set_identity( &rmesa->TexGenMatrix[i] );
}
_math_matrix_ctr( &rmesa->tmpmat );
_math_matrix_set_identity( &rmesa->tmpmat );
driInitExtensions( ctx, card_extensions, GL_TRUE );
if (rmesa->radeon.radeonScreen->kernel_mm)
driInitExtensions(ctx, mm_extensions, GL_FALSE);
if (!(rmesa->radeon.radeonScreen->chip_flags & R200_CHIPSET_YCBCR_BROKEN)) {
/* yuv textures don't work with some chips - R200 / rv280 okay so far
others get the bit ordering right but don't actually do YUV-RGB conversion */
_mesa_enable_extension( ctx, "GL_MESA_ycbcr_texture" );
}
if (rmesa->radeon.glCtx->Mesa_DXTn) {
_mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
_mesa_enable_extension( ctx, "GL_S3_s3tc" );
}
else if (driQueryOptionb (&rmesa->radeon.optionCache, "force_s3tc_enable")) {
_mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
}
if (rmesa->radeon.radeonScreen->drmSupportsCubeMapsR200)
_mesa_enable_extension( ctx, "GL_ARB_texture_cube_map" );
if (rmesa->radeon.radeonScreen->drmSupportsBlendColor) {
driInitExtensions( ctx, blend_extensions, GL_FALSE );
}
if(rmesa->radeon.radeonScreen->drmSupportsVertexProgram)
driInitSingleExtension( ctx, ARB_vp_extension );
if(driQueryOptionb(&rmesa->radeon.optionCache, "nv_vertex_program"))
driInitSingleExtension( ctx, NV_vp_extension );
if ((ctx->Const.MaxTextureUnits == 6) && rmesa->radeon.radeonScreen->drmSupportsFragShader)
driInitSingleExtension( ctx, ATI_fs_extension );
if (rmesa->radeon.radeonScreen->drmSupportsPointSprites)
driInitExtensions( ctx, point_extensions, GL_FALSE );
if (!rmesa->radeon.radeonScreen->kernel_mm)
_mesa_disable_extension(ctx, "GL_ARB_occlusion_query");
#if 0
r200InitDriverFuncs( ctx );
r200InitIoctlFuncs( ctx );
r200InitStateFuncs( ctx );
r200InitTextureFuncs( ctx );
#endif
/* plug in a few more device driver functions */
/* XXX these should really go right after _mesa_init_driver_functions() */
radeon_fbo_init(&rmesa->radeon);
radeonInitSpanFuncs( ctx );
r200InitPixelFuncs( ctx );
r200InitTnlFuncs( ctx );
r200InitState( rmesa );
r200InitSwtcl( ctx );
rmesa->prefer_gart_client_texturing =
(getenv("R200_GART_CLIENT_TEXTURES") != 0);
tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode");
if (driQueryOptionb(&rmesa->radeon.optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D acceleration\n");
FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1);
}
else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") ||
!(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL;
fprintf(stderr, "Disabling HW TCL support\n");
}
TCL_FALLBACK(rmesa->radeon.glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1);
}
return GL_TRUE;
}
GLboolean
intelInitContext(struct intel_context *intel,
const __GLcontextModes * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate,
struct dd_function_table *functions)
{
GLcontext *ctx = &intel->ctx;
GLcontext *shareCtx = (GLcontext *) sharedContextPrivate;
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = sPriv->private;
int bo_reuse_mode;
/* we can't do anything without a connection to the device */
if (intelScreen->bufmgr == NULL)
return GL_FALSE;
if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx,
functions, (void *) intel)) {
printf("%s: failed to init mesa context\n", __FUNCTION__);
return GL_FALSE;
}
driContextPriv->driverPrivate = intel;
intel->intelScreen = intelScreen;
intel->driScreen = sPriv;
intel->driContext = driContextPriv;
intel->driFd = sPriv->fd;
intel->has_xrgb_textures = GL_TRUE;
if (IS_GEN6(intel->intelScreen->deviceID)) {
intel->gen = 6;
intel->needs_ff_sync = GL_TRUE;
intel->has_luminance_srgb = GL_TRUE;
} else if (IS_GEN5(intel->intelScreen->deviceID)) {
intel->gen = 5;
intel->needs_ff_sync = GL_TRUE;
intel->has_luminance_srgb = GL_TRUE;
} else if (IS_965(intel->intelScreen->deviceID)) {
intel->gen = 4;
if (IS_G4X(intel->intelScreen->deviceID)) {
intel->has_luminance_srgb = GL_TRUE;
intel->is_g4x = GL_TRUE;
}
} else if (IS_9XX(intel->intelScreen->deviceID)) {
intel->gen = 3;
if (IS_945(intel->intelScreen->deviceID)) {
intel->is_945 = GL_TRUE;
}
} else {
intel->gen = 2;
if (intel->intelScreen->deviceID == PCI_CHIP_I830_M ||
intel->intelScreen->deviceID == PCI_CHIP_845_G) {
intel->has_xrgb_textures = GL_FALSE;
}
}
driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
intel->driScreen->myNum,
(intel->gen >= 4) ? "i965" : "i915");
if (intelScreen->deviceID == PCI_CHIP_I865_G)
intel->maxBatchSize = 4096;
else
intel->maxBatchSize = BATCH_SZ;
intel->bufmgr = intelScreen->bufmgr;
bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse");
switch (bo_reuse_mode) {
case DRI_CONF_BO_REUSE_DISABLED:
break;
case DRI_CONF_BO_REUSE_ALL:
intel_bufmgr_gem_enable_reuse(intel->bufmgr);
break;
}
/* This doesn't yet catch all non-conformant rendering, but it's a
* start.
*/
if (getenv("INTEL_STRICT_CONFORMANCE")) {
unsigned int value = atoi(getenv("INTEL_STRICT_CONFORMANCE"));
if (value > 0) {
intel->conformance_mode = value;
}
else {
intel->conformance_mode = 1;
}
}
if (intel->conformance_mode > 0) {
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 1.0;
ctx->Const.MaxLineWidthAA = 1.0;
ctx->Const.LineWidthGranularity = 1.0;
}
else {
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 5.0;
ctx->Const.MaxLineWidthAA = 5.0;
ctx->Const.LineWidthGranularity = 0.5;
}
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSize = 255.0;
ctx->Const.MaxPointSizeAA = 3.0;
ctx->Const.PointSizeGranularity = 1.0;
/* reinitialize the context point state.
* It depend on constants in __GLcontextRec::Const
*/
_mesa_init_point(ctx);
meta_init_metaops(ctx, &intel->meta);
ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */
if (intel->gen >= 4) {
if (MAX_WIDTH > 8192)
ctx->Const.MaxRenderbufferSize = 8192;
} else {
if (MAX_WIDTH > 2048)
ctx->Const.MaxRenderbufferSize = 2048;
}
/* Initialize the software rasterizer and helper modules. */
_swrast_CreateContext(ctx);
_vbo_CreateContext(ctx);
_tnl_CreateContext(ctx);
_swsetup_CreateContext(ctx);
/* Configure swrast to match hardware characteristics: */
_swrast_allow_pixel_fog(ctx, GL_FALSE);
_swrast_allow_vertex_fog(ctx, GL_TRUE);
_mesa_meta_init(ctx);
intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
intel->hw_stipple = 1;
/* XXX FBO: this doesn't seem to be used anywhere */
switch (mesaVis->depthBits) {
case 0: /* what to do in this case? */
case 16:
intel->polygon_offset_scale = 1.0;
break;
case 24:
intel->polygon_offset_scale = 2.0; /* req'd to pass glean */
break;
default:
assert(0);
break;
}
if (intel->gen >= 4)
intel->polygon_offset_scale /= 0xffff;
intel->RenderIndex = ~0;
intelInitExtensions(ctx);
INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
if (INTEL_DEBUG & DEBUG_BUFMGR)
dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE);
intel->batch = intel_batchbuffer_alloc(intel);
intel_fbo_init(intel);
if (intel->ctx.Mesa_DXTn) {
_mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
_mesa_enable_extension(ctx, "GL_S3_s3tc");
}
else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) {
_mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
}
intel->use_texture_tiling = driQueryOptionb(&intel->optionCache,
"texture_tiling");
intel->use_early_z = driQueryOptionb(&intel->optionCache, "early_z");
intel->prim.primitive = ~0;
/* Force all software fallbacks */
if (driQueryOptionb(&intel->optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D rasterization\n");
intel->no_rast = 1;
}
if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) {
fprintf(stderr, "flushing batchbuffer before/after each draw call\n");
intel->always_flush_batch = 1;
}
if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) {
fprintf(stderr, "flushing GPU caches before/after each draw call\n");
intel->always_flush_cache = 1;
}
/* Disable all hardware rendering (skip emitting batches and fences/waits
* to the kernel)
*/
intel->no_hw = getenv("INTEL_NO_HW") != NULL;
return GL_TRUE;
}
bool
intelInitContext(struct intel_context *intel,
int api,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate,
struct dd_function_table *functions,
unsigned *dri_ctx_error)
{
struct gl_context *ctx = &intel->ctx;
struct gl_context *shareCtx = (struct gl_context *) sharedContextPrivate;
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = sPriv->driverPrivate;
int bo_reuse_mode;
/* Can't rely on invalidate events, fall back to glViewport hack */
if (!driContextPriv->driScreenPriv->dri2.useInvalidate)
functions->Viewport = intel_noninvalidate_viewport;
else
functions->Viewport = intel_viewport;
intel->intelScreen = intelScreen;
if (!_mesa_initialize_context(&intel->ctx, api, mesaVis, shareCtx,
functions)) {
*dri_ctx_error = __DRI_CTX_ERROR_NO_MEMORY;
printf("%s: failed to init mesa context\n", __func__);
return false;
}
driContextSetFlags(&intel->ctx, flags);
driContextPriv->driverPrivate = intel;
intel->driContext = driContextPriv;
intel->gen = intelScreen->gen;
const int devID = intelScreen->deviceID;
intel->is_945 = IS_945(devID);
intel->has_swizzling = intel->intelScreen->hw_has_swizzling;
memset(&ctx->TextureFormatSupported,
0, sizeof(ctx->TextureFormatSupported));
driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
sPriv->myNum, "i915");
intel->maxBatchSize = 4096;
/* Estimate the size of the mappable aperture into the GTT. There's an
* ioctl to get the whole GTT size, but not one to get the mappable subset.
* It turns out it's basically always 256MB, though some ancient hardware
* was smaller.
*/
uint32_t gtt_size = 256 * 1024 * 1024;
if (intel->gen == 2)
gtt_size = 128 * 1024 * 1024;
/* We don't want to map two objects such that a memcpy between them would
* just fault one mapping in and then the other over and over forever. So
* we would need to divide the GTT size by 2. Additionally, some GTT is
* taken up by things like the framebuffer and the ringbuffer and such, so
* be more conservative.
*/
intel->max_gtt_map_object_size = gtt_size / 4;
intel->bufmgr = intelScreen->bufmgr;
bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse");
switch (bo_reuse_mode) {
case DRI_CONF_BO_REUSE_DISABLED:
break;
case DRI_CONF_BO_REUSE_ALL:
intel_bufmgr_gem_enable_reuse(intel->bufmgr);
break;
}
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 7.0;
ctx->Const.MaxLineWidthAA = 7.0;
ctx->Const.LineWidthGranularity = 0.5;
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSize = 255.0;
ctx->Const.MaxPointSizeAA = 3.0;
ctx->Const.PointSizeGranularity = 1.0;
ctx->Const.StripTextureBorder = GL_TRUE;
/* reinitialize the context point state.
* It depend on constants in __struct gl_contextRec::Const
*/
_mesa_init_point(ctx);
ctx->Const.MaxRenderbufferSize = 2048;
_swrast_CreateContext(ctx);
_vbo_CreateContext(ctx);
if (ctx->swrast_context) {
_tnl_CreateContext(ctx);
_swsetup_CreateContext(ctx);
/* Configure swrast to match hardware characteristics: */
_swrast_allow_pixel_fog(ctx, false);
_swrast_allow_vertex_fog(ctx, true);
}
_mesa_meta_init(ctx);
intel->hw_stipple = 1;
intel->RenderIndex = ~0;
intelInitExtensions(ctx);
INTEL_DEBUG = parse_debug_string(getenv("INTEL_DEBUG"), debug_control);
if (INTEL_DEBUG & DEBUG_BUFMGR)
dri_bufmgr_set_debug(intel->bufmgr, true);
if (INTEL_DEBUG & DEBUG_PERF)
intel->perf_debug = true;
if (INTEL_DEBUG & DEBUG_AUB)
drm_intel_bufmgr_gem_set_aub_dump(intel->bufmgr, true);
intel_batchbuffer_init(intel);
intel_fbo_init(intel);
intel->use_early_z = driQueryOptionb(&intel->optionCache, "early_z");
intel->prim.primitive = ~0;
/* Force all software fallbacks */
if (driQueryOptionb(&intel->optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D rasterization\n");
intel->no_rast = 1;
}
if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) {
fprintf(stderr, "flushing batchbuffer before/after each draw call\n");
intel->always_flush_batch = 1;
}
if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) {
fprintf(stderr, "flushing GPU caches before/after each draw call\n");
intel->always_flush_cache = 1;
}
if (driQueryOptionb(&intel->optionCache, "disable_throttling")) {
fprintf(stderr, "disabling flush throttling\n");
intel->disable_throttling = 1;
}
return true;
}
static GLboolean
dri_create_context(gl_api api,
const struct gl_config * visual,
__DRIcontext * cPriv, void *sharedContextPrivate)
{
struct dri_context *ctx = NULL;
struct dri_context *share = (struct dri_context *)sharedContextPrivate;
struct gl_context *mesaCtx = NULL;
struct gl_context *sharedCtx = NULL;
struct dd_function_table functions;
TRACE;
ctx = CALLOC_STRUCT(dri_context);
if (ctx == NULL)
goto context_fail;
cPriv->driverPrivate = ctx;
ctx->cPriv = cPriv;
/* build table of device driver functions */
_mesa_init_driver_functions(&functions);
swrast_init_driver_functions(&functions);
if (share) {
sharedCtx = &share->Base;
}
mesaCtx = &ctx->Base;
/* basic context setup */
if (!_mesa_initialize_context(mesaCtx, api, visual, sharedCtx, &functions, (void *) cPriv)) {
goto context_fail;
}
/* do bounds checking to prevent segfaults and server crashes! */
mesaCtx->Const.CheckArrayBounds = GL_TRUE;
/* create module contexts */
_swrast_CreateContext( mesaCtx );
_vbo_CreateContext( mesaCtx );
_tnl_CreateContext( mesaCtx );
_swsetup_CreateContext( mesaCtx );
_swsetup_Wakeup( mesaCtx );
/* use default TCL pipeline */
{
TNLcontext *tnl = TNL_CONTEXT(mesaCtx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
}
_mesa_meta_init(mesaCtx);
_mesa_enable_sw_extensions(mesaCtx);
switch (api) {
case API_OPENGL:
_mesa_enable_1_3_extensions(mesaCtx);
_mesa_enable_1_4_extensions(mesaCtx);
_mesa_enable_1_5_extensions(mesaCtx);
_mesa_enable_2_0_extensions(mesaCtx);
_mesa_enable_2_1_extensions(mesaCtx);
driInitExtensions( mesaCtx, NULL, GL_FALSE );
break;
case API_OPENGLES:
_mesa_enable_1_3_extensions(mesaCtx);
_mesa_enable_1_4_extensions(mesaCtx);
_mesa_enable_1_5_extensions(mesaCtx);
break;
case API_OPENGLES2:
InitExtensionsES2( mesaCtx);
break;
}
return GL_TRUE;
context_fail:
FREE(ctx);
return GL_FALSE;
}
GLboolean
brwCreateContext(gl_api api,
const struct gl_config *mesaVis,
__DRIcontext *driContextPriv,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
bool notify_reset,
unsigned *dri_ctx_error,
void *sharedContextPrivate)
{
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct gl_context *shareCtx = (struct gl_context *) sharedContextPrivate;
struct intel_screen *screen = sPriv->driverPrivate;
const struct brw_device_info *devinfo = screen->devinfo;
struct dd_function_table functions;
/* Only allow the __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS flag if the kernel
* provides us with context reset notifications.
*/
uint32_t allowed_flags = __DRI_CTX_FLAG_DEBUG
| __DRI_CTX_FLAG_FORWARD_COMPATIBLE;
if (screen->has_context_reset_notification)
allowed_flags |= __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS;
if (flags & ~allowed_flags) {
*dri_ctx_error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
return false;
}
struct brw_context *brw = rzalloc(NULL, struct brw_context);
if (!brw) {
fprintf(stderr, "%s: failed to alloc context\n", __FUNCTION__);
*dri_ctx_error = __DRI_CTX_ERROR_NO_MEMORY;
return false;
}
driContextPriv->driverPrivate = brw;
brw->driContext = driContextPriv;
brw->intelScreen = screen;
brw->bufmgr = screen->bufmgr;
brw->gen = devinfo->gen;
brw->gt = devinfo->gt;
brw->is_g4x = devinfo->is_g4x;
brw->is_baytrail = devinfo->is_baytrail;
brw->is_haswell = devinfo->is_haswell;
brw->has_llc = devinfo->has_llc;
brw->has_hiz = devinfo->has_hiz_and_separate_stencil;
brw->has_separate_stencil = devinfo->has_hiz_and_separate_stencil;
brw->has_pln = devinfo->has_pln;
brw->has_compr4 = devinfo->has_compr4;
brw->has_surface_tile_offset = devinfo->has_surface_tile_offset;
brw->has_negative_rhw_bug = devinfo->has_negative_rhw_bug;
brw->needs_unlit_centroid_workaround =
devinfo->needs_unlit_centroid_workaround;
brw->must_use_separate_stencil = screen->hw_must_use_separate_stencil;
brw->has_swizzling = screen->hw_has_swizzling;
brw->vs.base.stage = MESA_SHADER_VERTEX;
brw->gs.base.stage = MESA_SHADER_GEOMETRY;
brw->wm.base.stage = MESA_SHADER_FRAGMENT;
if (brw->gen >= 8) {
gen8_init_vtable_surface_functions(brw);
gen7_init_vtable_sampler_functions(brw);
brw->vtbl.emit_depth_stencil_hiz = gen8_emit_depth_stencil_hiz;
} else if (brw->gen >= 7) {
gen7_init_vtable_surface_functions(brw);
gen7_init_vtable_sampler_functions(brw);
brw->vtbl.emit_depth_stencil_hiz = gen7_emit_depth_stencil_hiz;
} else {
gen4_init_vtable_surface_functions(brw);
gen4_init_vtable_sampler_functions(brw);
brw->vtbl.emit_depth_stencil_hiz = brw_emit_depth_stencil_hiz;
}
brw_init_driver_functions(brw, &functions);
if (notify_reset)
functions.GetGraphicsResetStatus = brw_get_graphics_reset_status;
struct gl_context *ctx = &brw->ctx;
if (!_mesa_initialize_context(ctx, api, mesaVis, shareCtx, &functions)) {
*dri_ctx_error = __DRI_CTX_ERROR_NO_MEMORY;
fprintf(stderr, "%s: failed to init mesa context\n", __FUNCTION__);
intelDestroyContext(driContextPriv);
return false;
}
driContextSetFlags(ctx, flags);
/* Initialize the software rasterizer and helper modules.
*
* As of GL 3.1 core, the gen4+ driver doesn't need the swrast context for
* software fallbacks (which we have to support on legacy GL to do weird
* glDrawPixels(), glBitmap(), and other functions).
*/
if (api != API_OPENGL_CORE && api != API_OPENGLES2) {
_swrast_CreateContext(ctx);
}
_vbo_CreateContext(ctx);
if (ctx->swrast_context) {
_tnl_CreateContext(ctx);
TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
_swsetup_CreateContext(ctx);
/* Configure swrast to match hardware characteristics: */
_swrast_allow_pixel_fog(ctx, false);
_swrast_allow_vertex_fog(ctx, true);
}
_mesa_meta_init(ctx);
brw_process_driconf_options(brw);
brw_process_intel_debug_variable(brw);
brw_initialize_context_constants(brw);
ctx->Const.ResetStrategy = notify_reset
? GL_LOSE_CONTEXT_ON_RESET_ARB : GL_NO_RESET_NOTIFICATION_ARB;
/* Reinitialize the context point state. It depends on ctx->Const values. */
_mesa_init_point(ctx);
intel_fbo_init(brw);
intel_batchbuffer_init(brw);
if (brw->gen >= 6) {
/* Create a new hardware context. Using a hardware context means that
* our GPU state will be saved/restored on context switch, allowing us
* to assume that the GPU is in the same state we left it in.
*
* This is required for transform feedback buffer offsets, query objects,
* and also allows us to reduce how much state we have to emit.
*/
brw->hw_ctx = drm_intel_gem_context_create(brw->bufmgr);
if (!brw->hw_ctx) {
fprintf(stderr, "Gen6+ requires Kernel 3.6 or later.\n");
intelDestroyContext(driContextPriv);
return false;
}
}
brw_init_state(brw);
intelInitExtensions(ctx);
brw_init_surface_formats(brw);
brw->max_vs_threads = devinfo->max_vs_threads;
brw->max_gs_threads = devinfo->max_gs_threads;
brw->max_wm_threads = devinfo->max_wm_threads;
brw->urb.size = devinfo->urb.size;
brw->urb.min_vs_entries = devinfo->urb.min_vs_entries;
brw->urb.max_vs_entries = devinfo->urb.max_vs_entries;
brw->urb.max_gs_entries = devinfo->urb.max_gs_entries;
/* Estimate the size of the mappable aperture into the GTT. There's an
* ioctl to get the whole GTT size, but not one to get the mappable subset.
* It turns out it's basically always 256MB, though some ancient hardware
* was smaller.
*/
uint32_t gtt_size = 256 * 1024 * 1024;
/* We don't want to map two objects such that a memcpy between them would
* just fault one mapping in and then the other over and over forever. So
* we would need to divide the GTT size by 2. Additionally, some GTT is
* taken up by things like the framebuffer and the ringbuffer and such, so
* be more conservative.
*/
brw->max_gtt_map_object_size = gtt_size / 4;
if (brw->gen == 6)
brw->urb.gen6_gs_previously_active = false;
brw->prim_restart.in_progress = false;
brw->prim_restart.enable_cut_index = false;
brw->gs.enabled = false;
if (brw->gen < 6) {
brw->curbe.last_buf = calloc(1, 4096);
brw->curbe.next_buf = calloc(1, 4096);
}
ctx->VertexProgram._MaintainTnlProgram = true;
ctx->FragmentProgram._MaintainTexEnvProgram = true;
brw_draw_init( brw );
if ((flags & __DRI_CTX_FLAG_DEBUG) != 0) {
/* Turn on some extra GL_ARB_debug_output generation. */
brw->perf_debug = true;
}
if ((flags & __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS) != 0)
ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB;
if (INTEL_DEBUG & DEBUG_SHADER_TIME)
brw_init_shader_time(brw);
_mesa_compute_version(ctx);
_mesa_initialize_dispatch_tables(ctx);
_mesa_initialize_vbo_vtxfmt(ctx);
if (ctx->Extensions.AMD_performance_monitor) {
brw_init_performance_monitors(brw);
}
vbo_use_buffer_objects(ctx);
vbo_always_unmap_buffers(ctx);
return true;
}