void tridentFallback( tridentContextPtr tmesa, GLuint bit, GLboolean mode )
{
GLcontext *ctx = tmesa->glCtx;
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLuint oldfallback = tmesa->Fallback;
_tnl_need_projected_coords( ctx, GL_FALSE );
if (mode) {
tmesa->Fallback |= bit;
if (oldfallback == 0) {
_swsetup_Wakeup( ctx );
tmesa->RenderIndex = ~0;
}
}
else {
tmesa->Fallback &= ~bit;
if (oldfallback == bit) {
_swrast_flush( ctx );
tnl->Driver.Render.Start = tridentRenderStart;
tnl->Driver.Render.PrimitiveNotify = tridentRenderPrimitive;
tnl->Driver.Render.Finish = tridentRenderFinish;
tnl->Driver.Render.BuildVertices = tridentBuildVertices;
tnl->Driver.Render.ResetLineStipple = tridentResetLineStipple;
tmesa->new_gl_state |= (_TRIDENT_NEW_RENDER_STATE|
_TRIDENT_NEW_VERTEX);
}
}
}
void sisFallback( GLcontext *ctx, GLuint bit, GLboolean mode )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
sisContextPtr smesa = SIS_CONTEXT(ctx);
GLuint oldfallback = smesa->Fallback;
if (mode) {
smesa->Fallback |= bit;
if (oldfallback == 0) {
_swsetup_Wakeup( ctx );
smesa->RenderIndex = ~0;
}
}
else {
smesa->Fallback &= ~bit;
if (oldfallback == bit) {
_swrast_flush( ctx );
tnl->Driver.Render.Start = sisRenderStart;
tnl->Driver.Render.PrimitiveNotify = sisRenderPrimitive;
tnl->Driver.Render.Finish = sisRenderFinish;
tnl->Driver.Render.BuildVertices = sisBuildVertices;
smesa->NewGLState |= (_SIS_NEW_RENDER_STATE|
_SIS_NEW_VERTEX_STATE);
}
}
}
void mgaFallback( GLcontext *ctx, GLuint bit, GLboolean mode )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
GLuint oldfallback = mmesa->Fallback;
if (mode) {
mmesa->Fallback |= bit;
if (oldfallback == 0) {
FLUSH_BATCH(mmesa);
_swsetup_Wakeup( ctx );
mmesa->RenderIndex = ~0;
}
}
else {
mmesa->Fallback &= ~bit;
if (oldfallback == bit) {
_swrast_flush( ctx );
tnl->Driver.Render.Start = mgaCheckTexSizes;
tnl->Driver.Render.PrimitiveNotify = mgaRenderPrimitive;
tnl->Driver.Render.Finish = mgaRenderFinish;
tnl->Driver.Render.BuildVertices = mgaBuildVertices;
mmesa->new_gl_state |= (_MGA_NEW_RENDERSTATE |
_MGA_NEW_RASTERSETUP);
}
}
}
static void gl_ggiSetupPointers(GLcontext *ctx)
{
TNLcontext *tnl;
GGIMESADPRINT_CORE("gl_ggiSetupPointers() called\n");
/* Plug in default driver functions */
_mesa_init_driver_functions(&ctx->Driver);
/* Plug in ggi-specific functions */
ctx->Driver.GetString = gl_ggiGetString;
ctx->Driver.GetBufferSize = gl_ggiGetSize;
ctx->Driver.Viewport = gl_ggiViewport;
ctx->Driver.Finish = gl_ggiFlush;
ctx->Driver.Flush = gl_ggiFlush;
ctx->Driver.Clear = gl_ggiClear;
ctx->Driver.ClearIndex = gl_ggiSetClearIndex;
ctx->Driver.ClearColor = gl_ggiSetClearColor;
ctx->Driver.IndexMask = gl_ggiIndexMask;
ctx->Driver.ColorMask = gl_ggiColorMask;
ctx->Driver.Enable = gl_ggiEnable;
ctx->Driver.UpdateState = gl_ggiUpdateState;
/* Initialize TNL driver interface */
tnl = TNL_CONTEXT(ctx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
/* Install setup for tnl */
_swsetup_Wakeup(ctx);
}
void mgaFallback( GLcontext *ctx, GLuint bit, GLboolean mode )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
GLuint oldfallback = mmesa->Fallback;
if (mode) {
mmesa->Fallback |= bit;
if (oldfallback == 0) {
FLUSH_BATCH(mmesa);
_swsetup_Wakeup( ctx );
mmesa->RenderIndex = ~0;
if (MGA_DEBUG & DEBUG_VERBOSE_FALLBACK) {
fprintf(stderr, "MGA begin rasterization fallback: 0x%x %s\n",
bit, getFallbackString(bit));
}
}
}
else {
mmesa->Fallback &= ~bit;
if (oldfallback == bit) {
_swrast_flush( ctx );
tnl->Driver.Render.Start = mgaCheckTexSizes;
tnl->Driver.Render.PrimitiveNotify = mgaRenderPrimitive;
tnl->Driver.Render.Finish = mgaRenderFinish;
tnl->Driver.Render.BuildVertices = mgaBuildVertices;
mmesa->NewGLState |= (_MGA_NEW_RENDERSTATE |
_MGA_NEW_RASTERSETUP);
if (MGA_DEBUG & DEBUG_VERBOSE_FALLBACK) {
fprintf(stderr, "MGA end rasterization fallback: 0x%x %s\n",
bit, getFallbackString(bit));
}
}
}
}
void i830Fallback( i830ContextPtr imesa, GLuint bit, GLboolean mode )
{
GLcontext *ctx = imesa->glCtx;
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLuint oldfallback = imesa->Fallback;
if (mode) {
imesa->Fallback |= bit;
if (oldfallback == 0) {
I830_FIREVERTICES(imesa);
if (I830_DEBUG & DEBUG_FALLBACKS)
fprintf(stderr, "ENTER FALLBACK %s\n", getFallbackString( bit ));
_swsetup_Wakeup( ctx );
imesa->RenderIndex = ~0;
}
}
else {
imesa->Fallback &= ~bit;
if (oldfallback == bit) {
_swrast_flush( ctx );
if (I830_DEBUG & DEBUG_FALLBACKS)
fprintf(stderr, "LEAVE FALLBACK %s\n", getFallbackString( bit ));
tnl->Driver.Render.Start = i830RenderStart;
tnl->Driver.Render.PrimitiveNotify = i830RenderPrimitive;
tnl->Driver.Render.Finish = i830RenderFinish;
tnl->Driver.Render.BuildVertices = i830BuildVertices;
imesa->NewGLState |= (_I830_NEW_RENDERSTATE|_I830_NEW_VERTEX);
}
}
}
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;
}
void brw_draw_prims( struct gl_context *ctx,
const struct _mesa_prim *prims,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLboolean index_bounds_valid,
GLuint min_index,
GLuint max_index,
struct gl_transform_feedback_object *unused_tfb_object,
struct gl_buffer_object *indirect )
{
struct brw_context *brw = brw_context(ctx);
const struct gl_client_array **arrays = ctx->Array._DrawArrays;
assert(unused_tfb_object == NULL);
if (ctx->Query.CondRenderQuery) {
perf_debug("Conditional rendering is implemented in software and may "
"stall. This should be fixed in the driver.\n");
}
if (!_mesa_check_conditional_render(ctx))
return;
/* Handle primitive restart if needed */
if (brw_handle_primitive_restart(ctx, prims, nr_prims, ib, indirect)) {
/* The draw was handled, so we can exit now */
return;
}
/* Do GL_SELECT and GL_FEEDBACK rendering using swrast, even though it
* won't support all the extensions we support.
*/
if (ctx->RenderMode != GL_RENDER) {
perf_debug("%s render mode not supported in hardware\n",
_mesa_lookup_enum_by_nr(ctx->RenderMode));
_swsetup_Wakeup(ctx);
_tnl_wakeup(ctx);
_tnl_draw_prims(ctx, prims, nr_prims, ib,
index_bounds_valid, min_index, max_index, NULL, NULL);
return;
}
/* If we're going to have to upload any of the user's vertex arrays, then
* get the minimum and maximum of their index buffer so we know what range
* to upload.
*/
if (!index_bounds_valid && !vbo_all_varyings_in_vbos(arrays)) {
perf_debug("Scanning index buffer to compute index buffer bounds. "
"Use glDrawRangeElements() to avoid this.\n");
vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index, nr_prims);
}
/* Try drawing with the hardware, but don't do anything else if we can't
* manage it. swrast doesn't support our featureset, so we can't fall back
* to it.
*/
brw_try_draw_prims(ctx, arrays, prims, nr_prims, ib, min_index, max_index, indirect);
}
void brw_draw_prims( GLcontext *ctx,
const struct gl_client_array *arrays[],
const struct _mesa_prim *prim,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLuint min_index,
GLuint max_index )
{
struct intel_context *intel = intel_context(ctx);
GLboolean retval;
/* Decide if we want to rebase. If so we end up recursing once
* only into this function.
*/
if (brw_need_rebase( ctx, arrays, ib, min_index )) {
vbo_rebase_prims( ctx, arrays,
prim, nr_prims,
ib, min_index, max_index,
brw_draw_prims );
return;
}
/* Make a first attempt at drawing:
*/
retval = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
/* This looks like out-of-memory but potentially we have
* situation where there is enough memory but it has become
* fragmented. Clear out all heaps and start from scratch by
* faking a contended lock event: (done elsewhere)
*/
if (!retval && !intel->Fallback && bmError(intel)) {
DBG("retrying\n");
/* Then try a second time only to upload textures and draw the
* primitives:
*/
retval = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
}
/* Otherwise, we really are out of memory. Pass the drawing
* command to the software tnl module and which will in turn call
* swrast to do the drawing.
*/
if (!retval) {
_swsetup_Wakeup(ctx);
_tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
}
if (intel->aub_file && (INTEL_DEBUG & DEBUG_SYNC)) {
intelFinish( &intel->ctx );
intel->aub_wrap = 1;
}
}
/* 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;
}
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;
}
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;
}
void brw_draw_prims( struct gl_context *ctx,
const struct _mesa_prim *prim,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLboolean index_bounds_valid,
GLuint min_index,
GLuint max_index,
struct gl_transform_feedback_object *tfb_vertcount )
{
const struct gl_client_array **arrays = ctx->Array._DrawArrays;
bool retval;
if (!_mesa_check_conditional_render(ctx))
return;
/* Handle primitive restart if needed */
if (brw_handle_primitive_restart(ctx, prim, nr_prims, ib)) {
/* The draw was handled, so we can exit now */
return;
}
if (!vbo_all_varyings_in_vbos(arrays)) {
if (!index_bounds_valid)
vbo_get_minmax_indices(ctx, prim, ib, &min_index, &max_index, nr_prims);
/* Decide if we want to rebase. If so we end up recursing once
* only into this function.
*/
if (min_index != 0 && !vbo_any_varyings_in_vbos(arrays)) {
vbo_rebase_prims(ctx, arrays,
prim, nr_prims,
ib, min_index, max_index,
brw_draw_prims );
return;
}
}
/* Make a first attempt at drawing:
*/
retval = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
/* Otherwise, we really are out of memory. Pass the drawing
* command to the software tnl module and which will in turn call
* swrast to do the drawing.
*/
if (!retval) {
_swsetup_Wakeup(ctx);
_tnl_wakeup(ctx);
_tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
}
}
void radeonFallback( struct gl_context *ctx, GLuint bit, GLboolean mode )
{
r100ContextPtr rmesa = R100_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLuint oldfallback = rmesa->radeon.Fallback;
if (mode) {
rmesa->radeon.Fallback |= bit;
if (oldfallback == 0) {
radeon_firevertices(&rmesa->radeon);
TCL_FALLBACK( ctx, RADEON_TCL_FALLBACK_RASTER, GL_TRUE );
_swsetup_Wakeup( ctx );
rmesa->radeon.swtcl.RenderIndex = ~0;
if (RADEON_DEBUG & RADEON_FALLBACKS) {
fprintf(stderr, "Radeon begin rasterization fallback: 0x%x %s\n",
bit, getFallbackString(bit));
}
}
}
else {
rmesa->radeon.Fallback &= ~bit;
if (oldfallback == bit) {
_swrast_flush( ctx );
tnl->Driver.Render.Start = radeonRenderStart;
tnl->Driver.Render.PrimitiveNotify = radeonRenderPrimitive;
tnl->Driver.Render.Finish = radeonRenderFinish;
tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
tnl->Driver.Render.CopyPV = _tnl_copy_pv;
tnl->Driver.Render.Interp = _tnl_interp;
tnl->Driver.Render.ResetLineStipple = radeonResetLineStipple;
TCL_FALLBACK( ctx, RADEON_TCL_FALLBACK_RASTER, GL_FALSE );
if (rmesa->radeon.TclFallback) {
/* These are already done if rmesa->radeon.TclFallback goes to
* zero above. But not if it doesn't (RADEON_NO_TCL for
* example?)
*/
_tnl_invalidate_vertex_state( ctx, ~0 );
_tnl_invalidate_vertices( ctx, ~0 );
rmesa->radeon.tnl_index_bitset = 0;
radeonChooseVertexState( ctx );
radeonChooseRenderState( ctx );
}
if (RADEON_DEBUG & RADEON_FALLBACKS) {
fprintf(stderr, "Radeon end rasterization fallback: 0x%x %s\n",
bit, getFallbackString(bit));
}
}
}
}
void brw_draw_prims( struct gl_context *ctx,
const struct _mesa_prim *prim,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLboolean index_bounds_valid,
GLuint min_index,
GLuint max_index,
struct gl_transform_feedback_object *tfb_vertcount )
{
struct intel_context *intel = intel_context(ctx);
const struct gl_client_array **arrays = ctx->Array._DrawArrays;
if (!_mesa_check_conditional_render(ctx))
return;
/* Handle primitive restart if needed */
if (brw_handle_primitive_restart(ctx, prim, nr_prims, ib)) {
/* The draw was handled, so we can exit now */
return;
}
/* If we're going to have to upload any of the user's vertex arrays, then
* get the minimum and maximum of their index buffer so we know what range
* to upload.
*/
if (!vbo_all_varyings_in_vbos(arrays) && !index_bounds_valid)
vbo_get_minmax_indices(ctx, prim, ib, &min_index, &max_index, nr_prims);
/* Do GL_SELECT and GL_FEEDBACK rendering using swrast, even though it
* won't support all the extensions we support.
*/
if (ctx->RenderMode != GL_RENDER) {
perf_debug("%s render mode not supported in hardware\n",
_mesa_lookup_enum_by_nr(ctx->RenderMode));
_swsetup_Wakeup(ctx);
_tnl_wakeup(ctx);
_tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
return;
}
/* Try drawing with the hardware, but don't do anything else if we can't
* manage it. swrast doesn't support our featureset, so we can't fall back
* to it.
*/
brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
}
void brw_draw_prims( struct gl_context *ctx,
const struct gl_client_array *arrays[],
const struct _mesa_prim *prim,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLboolean index_bounds_valid,
GLuint min_index,
GLuint max_index )
{
GLboolean retval;
if (!_mesa_check_conditional_render(ctx))
return;
if (!vbo_all_varyings_in_vbos(arrays)) {
if (!index_bounds_valid)
vbo_get_minmax_index(ctx, prim, ib, &min_index, &max_index);
/* Decide if we want to rebase. If so we end up recursing once
* only into this function.
*/
if (min_index != 0 && !vbo_any_varyings_in_vbos(arrays)) {
vbo_rebase_prims(ctx, arrays,
prim, nr_prims,
ib, min_index, max_index,
brw_draw_prims );
return;
}
}
/* Make a first attempt at drawing:
*/
retval = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
/* Otherwise, we really are out of memory. Pass the drawing
* command to the software tnl module and which will in turn call
* swrast to do the drawing.
*/
if (!retval) {
_swsetup_Wakeup(ctx);
_tnl_wakeup(ctx);
_tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
}
}
void intelFallback( intelContextPtr intel, GLuint bit, GLboolean mode )
{
GLcontext *ctx = &intel->ctx;
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLuint oldfallback = intel->Fallback;
if (mode) {
intel->Fallback |= bit;
if (oldfallback == 0) {
intelFlush(ctx);
if (INTEL_DEBUG & DEBUG_FALLBACKS)
fprintf(stderr, "ENTER FALLBACK 0x%x: %s\n",
bit, getFallbackString(bit));
_swsetup_Wakeup( ctx );
intel->RenderIndex = ~0;
}
}
else {
intel->Fallback &= ~bit;
if (oldfallback == bit) {
_swrast_flush( ctx );
if (INTEL_DEBUG & DEBUG_FALLBACKS)
fprintf(stderr, "LEAVE FALLBACK 0x%x: %s\n",
bit, getFallbackString(bit));
tnl->Driver.Render.Start = intelRenderStart;
tnl->Driver.Render.PrimitiveNotify = intelRenderPrimitive;
tnl->Driver.Render.Finish = intelRenderFinish;
tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
tnl->Driver.Render.CopyPV = _tnl_copy_pv;
tnl->Driver.Render.Interp = _tnl_interp;
_tnl_invalidate_vertex_state( ctx, ~0 );
_tnl_invalidate_vertices( ctx, ~0 );
_tnl_install_attrs( ctx,
intel->vertex_attrs,
intel->vertex_attr_count,
intel->ViewportMatrix.m, 0 );
intel->NewGLState |= _INTEL_NEW_RENDERSTATE;
}
}
}
void ffbFallback( GLcontext *ctx, GLuint bit, GLboolean mode )
{
ffbContextPtr fmesa = FFB_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLuint oldfallback = fmesa->bad_fragment_attrs;
if (mode) {
fmesa->bad_fragment_attrs |= bit;
if (oldfallback == 0) {
/* FFB_FIREVERTICES(fmesa); */
_swsetup_Wakeup( ctx );
if (fmesa->debugFallbacks)
fprintf(stderr, "FFB begin software fallback: 0x%x %s\n",
bit, getFallbackString(bit));
}
} else {
fmesa->bad_fragment_attrs &= ~bit;
if (oldfallback == bit) {
_swrast_flush( ctx );
tnl->Driver.Render.Start = ffbRenderStart;
tnl->Driver.Render.PrimitiveNotify = ffbRenderPrimitive;
tnl->Driver.Render.Finish = ffbRenderFinish;
fmesa->new_gl_state = ~0;
/* Just re-choose everything:
*/
ffbChooseVertexState(ctx);
ffbChooseRenderState(ctx);
ffbChooseTriangleState(ctx);
ffbChooseLineState(ctx);
ffbChoosePointState(ctx);
if (fmesa->debugFallbacks)
fprintf(stderr, "FFB end software fallback: 0x%x %s\n",
bit, getFallbackString(bit));
}
}
}
void nouveauFallback(struct nouveau_context *nmesa, GLuint bit, GLboolean mode)
{
GLcontext *ctx = nmesa->glCtx;
GLuint oldfallback = nmesa->Fallback;
if (mode) {
nmesa->Fallback |= bit;
if (oldfallback == 0) {
if (nmesa->screen->card->type<NV_10) {
//nv04FinishPrimitive(nmesa);
} else {
//nv10FinishPrimitive(nmesa);
}
_swsetup_Wakeup(ctx);
nmesa->render_index = ~0;
}
}
else {
nmesa->Fallback &= ~bit;
if (oldfallback == bit) {
_swrast_flush( ctx );
if (nmesa->screen->card->type<NV_10) {
nv04TriInitFunctions(ctx);
} else {
nv10TriInitFunctions(ctx);
}
_tnl_invalidate_vertex_state( ctx, ~0 );
_tnl_invalidate_vertices( ctx, ~0 );
_tnl_install_attrs( ctx,
nmesa->vertex_attrs,
nmesa->vertex_attr_count,
nmesa->viewport.m, 0 );
}
}
}
static void evergreenDrawPrims(GLcontext *ctx,
const struct gl_client_array *arrays[],
const struct _mesa_prim *prim,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLboolean index_bounds_valid,
GLuint min_index,
GLuint max_index)
{
GLboolean retval = GL_FALSE;
context_t *context = EVERGREEN_CONTEXT(ctx);
radeonContextPtr radeon = &context->radeon;
radeon_prepare_render(radeon);
/* This check should get folded into just the places that
* min/max index are really needed.
*/
if (!vbo_all_varyings_in_vbos(arrays)) {
if (!index_bounds_valid)
vbo_get_minmax_index(ctx, prim, ib, &min_index, &max_index);
/* do we want to rebase, minimizes the
* amount of data to upload? */
if (min_index) {
vbo_rebase_prims( ctx, arrays, prim, nr_prims, ib, min_index, max_index, evergreenDrawPrims );
return;
}
}
/* Make an attempt at drawing */
retval = evergreenTryDrawPrims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
/* If failed run tnl pipeline - it should take care of fallbacks */
if (!retval) {
_swsetup_Wakeup(ctx);
_tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
}
}
AMesaContext GLAPIENTRY AMesaCreateContext(AMesaVisual visual, AMesaContext share)
{
AMesaContext context;
GLboolean direct = GL_FALSE;
GLcontext *ctx;
context = (AMesaContext) malloc(sizeof(struct amesa_context));
if (!context)
return NULL;
context->GLContext = _mesa_create_context(visual->GLVisual,
share ? share->GLContext : NULL,
(void*)context,
direct);
if (!context->GLContext) {
free(context);
return NULL;
}
context->Visual = visual;
ctx = context->GLContext;
_mesa_enable_sw_extensions(ctx);
_mesa_enable_1_3_extensions(ctx);
/* Initialize the software rasterizer and helper modules. */
_swrast_CreateContext( ctx );
_ac_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
_swsetup_Wakeup( ctx );
/*AMesaRegisterSwrastFunctions(ctx);*/
return context;
}
void brw_draw_prims( GLcontext *ctx,
const struct gl_client_array *arrays[],
const struct _mesa_prim *prim,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLuint min_index,
GLuint max_index )
{
GLboolean retval;
/* Decide if we want to rebase. If so we end up recursing once
* only into this function.
*/
if (brw_need_rebase( ctx, arrays, ib, min_index )) {
vbo_rebase_prims( ctx, arrays,
prim, nr_prims,
ib, min_index, max_index,
brw_draw_prims );
return;
}
/* Make a first attempt at drawing:
*/
retval = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
/* Otherwise, we really are out of memory. Pass the drawing
* command to the software tnl module and which will in turn call
* swrast to do the drawing.
*/
if (!retval) {
_swsetup_Wakeup(ctx);
_tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
}
}
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;
}
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;
}
/**
* 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;
}
/**
* 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;
}
/*
* 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;
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) {
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 = get_buffer_size;
if (!_mesa_initialize_context(&osmesa->mesa,
osmesa->gl_visual,
sharelist ? &sharelist->mesa
: (GLcontext *) NULL,
&functions, (void *) osmesa)) {
_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));
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 front color buffer in user-provided memory (no back buffer) */
_mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT,
new_osmesa_renderbuffer(format));
_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->buffer = NULL;
osmesa->width = 0;
osmesa->height = 0;
osmesa->userRowLength = 0;
osmesa->rowlength = 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 ) ||
!_ac_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;
}
void gldSetupDriverPointers_DX7(
struct gl_context *ctx)
{
GLD_context *gldCtx = GLD_GET_CONTEXT(ctx);
GLD_driver_dx7 *gld = GLD_GET_DX7_DRIVER(gldCtx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
// Mandatory functions
ctx->Driver.GetString = _gldGetStringGeneric;
ctx->Driver.UpdateState = gld_update_state_DX7;
ctx->Driver.Clear = gld_Clear_DX7;
ctx->Driver.DrawBuffer = gld_set_draw_buffer_DX7;
ctx->Driver.GetBufferSize = gld_buffer_size_DX7;
ctx->Driver.Finish = gld_Finish_DX7;
ctx->Driver.Flush = gld_Flush_DX7;
ctx->Driver.Error = gld_Error_DX7;
// Hardware accumulation buffer
ctx->Driver.Accum = NULL; // TODO: gld_Accum;
// Bitmap functions
ctx->Driver.CopyPixels = gld_CopyPixels_DX7;
ctx->Driver.DrawPixels = gld_DrawPixels_DX7;
ctx->Driver.ReadPixels = gld_ReadPixels_DX7;
ctx->Driver.Bitmap = gld_Bitmap_DX7;
// Buffer resize
ctx->Driver.ResizeBuffers = gldResizeBuffers_DX7;
// Texture image functions
ctx->Driver.ChooseTextureFormat = gld_ChooseTextureFormat_DX7;
ctx->Driver.TexImage1D = gld_TexImage1D_DX7;
ctx->Driver.TexImage2D = gld_TexImage2D_DX7;
ctx->Driver.TexImage3D = _mesa_store_teximage3d;
ctx->Driver.TexSubImage1D = gld_TexSubImage1D_DX7;
ctx->Driver.TexSubImage2D = gld_TexSubImage2D_DX7;
ctx->Driver.TexSubImage3D = _mesa_store_texsubimage3d;
ctx->Driver.CopyTexImage1D = gldCopyTexImage1D_DX7; //NULL;
ctx->Driver.CopyTexImage2D = gldCopyTexImage2D_DX7; //NULL;
ctx->Driver.CopyTexSubImage1D = gldCopyTexSubImage1D_DX7; //NULL;
ctx->Driver.CopyTexSubImage2D = gldCopyTexSubImage2D_DX7; //NULL;
ctx->Driver.CopyTexSubImage3D = gldCopyTexSubImage3D_DX7;
ctx->Driver.TestProxyTexImage = _mesa_test_proxy_teximage;
// Texture object functions
ctx->Driver.BindTexture = NULL;
ctx->Driver.NewTextureObject = NULL; // Not yet implemented by Mesa!;
ctx->Driver.DeleteTexture = gld_DeleteTexture_DX7;
ctx->Driver.PrioritizeTexture = NULL;
// Imaging functionality
ctx->Driver.CopyColorTable = NULL;
ctx->Driver.CopyColorSubTable = NULL;
ctx->Driver.CopyConvolutionFilter1D = NULL;
ctx->Driver.CopyConvolutionFilter2D = NULL;
// State changing functions
ctx->Driver.AlphaFunc = NULL; //gld_AlphaFunc;
ctx->Driver.BlendFuncSeparate = NULL; //gld_BlendFunc;
ctx->Driver.ClearColor = NULL; //gld_ClearColor;
ctx->Driver.ClearDepth = NULL; //gld_ClearDepth;
ctx->Driver.ClearStencil = NULL; //gld_ClearStencil;
ctx->Driver.ColorMask = NULL; //gld_ColorMask;
ctx->Driver.CullFace = NULL; //gld_CullFace;
ctx->Driver.ClipPlane = NULL; //gld_ClipPlane;
ctx->Driver.FrontFace = NULL; //gld_FrontFace;
ctx->Driver.DepthFunc = NULL; //gld_DepthFunc;
ctx->Driver.DepthMask = NULL; //gld_DepthMask;
ctx->Driver.DepthRange = NULL;
ctx->Driver.Enable = NULL; //gld_Enable;
ctx->Driver.Fogfv = NULL; //gld_Fogfv;
ctx->Driver.Hint = NULL; //gld_Hint;
ctx->Driver.Lightfv = NULL; //gld_Lightfv;
ctx->Driver.LightModelfv = NULL; //gld_LightModelfv;
ctx->Driver.LineStipple = NULL; //gld_LineStipple;
ctx->Driver.LineWidth = NULL; //gld_LineWidth;
ctx->Driver.LogicOpcode = NULL; //gld_LogicOpcode;
ctx->Driver.PointParameterfv = NULL; //gld_PointParameterfv;
ctx->Driver.PointSize = NULL; //gld_PointSize;
ctx->Driver.PolygonMode = NULL; //gld_PolygonMode;
ctx->Driver.PolygonOffset = NULL; //gld_PolygonOffset;
ctx->Driver.PolygonStipple = NULL; //gld_PolygonStipple;
ctx->Driver.RenderMode = NULL; //gld_RenderMode;
ctx->Driver.Scissor = NULL; //gld_Scissor;
ctx->Driver.ShadeModel = NULL; //gld_ShadeModel;
ctx->Driver.StencilFunc = NULL; //gld_StencilFunc;
ctx->Driver.StencilMask = NULL; //gld_StencilMask;
ctx->Driver.StencilOp = NULL; //gld_StencilOp;
ctx->Driver.TexGen = NULL; //gld_TexGen;
ctx->Driver.TexEnv = NULL;
ctx->Driver.TexParameter = NULL;
ctx->Driver.TextureMatrix = NULL; //gld_TextureMatrix;
ctx->Driver.Viewport = gld_Viewport_DX7;
_swsetup_Wakeup(ctx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
tnl->Driver.Render.ResetLineStipple = gld_ResetLineStipple_DX7;
tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon;
tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine;
// Hook into glFrustum() and glOrtho()
// ctx->Exec->Frustum = gldFrustumHook_DX7;
// ctx->Exec->Ortho = gldOrthoHook_DX7;
}
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;
}
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;
}