static GLboolean
intelCreateContext(gl_api api,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
unsigned *error,
void *sharedContextPrivate)
{
bool success = false;
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = sPriv->driverPrivate;
if (IS_9XX(intelScreen->deviceID)) {
success = i915CreateContext(api, mesaVis, driContextPriv,
major_version, minor_version, error,
sharedContextPrivate);
} else {
intelScreen->no_vbo = true;
success = i830CreateContext(api, mesaVis, driContextPriv,
major_version, minor_version, error,
sharedContextPrivate);
}
if (success)
return true;
if (driContextPriv->driverPrivate != NULL)
intelDestroyContext(driContextPriv);
return false;
}
static GLboolean
intelCreateContext(gl_api api,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
unsigned *error,
void *sharedContextPrivate)
{
bool success = false;
#ifdef I915
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = sPriv->driverPrivate;
if (IS_9XX(intelScreen->deviceID)) {
success = i915CreateContext(api, mesaVis, driContextPriv,
major_version, minor_version, error,
sharedContextPrivate);
} else {
switch (api) {
case API_OPENGL_COMPAT:
if (major_version > 1 || minor_version > 3) {
*error = __DRI_CTX_ERROR_BAD_VERSION;
success = false;
}
break;
case API_OPENGLES:
break;
default:
*error = __DRI_CTX_ERROR_BAD_API;
success = false;
}
if (success) {
intelScreen->no_vbo = true;
success = i830CreateContext(mesaVis, driContextPriv,
sharedContextPrivate);
if (!success)
*error = __DRI_CTX_ERROR_NO_MEMORY;
}
}
#else
success = brwCreateContext(api, mesaVis,
driContextPriv,
major_version, minor_version, flags,
error, sharedContextPrivate);
#endif
if (success)
return true;
if (driContextPriv->driverPrivate != NULL)
intelDestroyContext(driContextPriv);
return false;
}
static GLboolean
intelCreateContext(gl_api api,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
unsigned *error,
void *sharedContextPrivate)
{
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = sPriv->driverPrivate;
bool success = false;
#ifdef I915
if (IS_9XX(intelScreen->deviceID)) {
if (!IS_965(intelScreen->deviceID)) {
success = i915CreateContext(api, mesaVis, driContextPriv,
sharedContextPrivate);
}
} else {
intelScreen->no_vbo = true;
success = i830CreateContext(mesaVis, driContextPriv,
sharedContextPrivate);
}
#else
if (IS_965(intelScreen->deviceID))
success = brwCreateContext(api, mesaVis,
driContextPriv,
sharedContextPrivate);
#endif
if (success) {
struct gl_context *ctx =
(struct gl_context *) driContextPriv->driverPrivate;
_mesa_compute_version(ctx);
if (ctx->Version >= major_version * 10 + minor_version) {
return true;
}
*error = __DRI_CTX_ERROR_BAD_VERSION;
intelDestroyContext(driContextPriv);
} else {
*error = __DRI_CTX_ERROR_NO_MEMORY;
fprintf(stderr, "Unrecognized deviceID 0x%x\n", intelScreen->deviceID);
}
return false;
}
static GLboolean
intelCreateContext(gl_api api,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
bool notify_reset,
unsigned *error,
void *sharedContextPrivate)
{
bool success = false;
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = sPriv->driverPrivate;
if (flags & ~__DRI_CTX_FLAG_DEBUG) {
*error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
return false;
}
if (notify_reset) {
*error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
return false;
}
if (IS_9XX(intelScreen->deviceID)) {
success = i915CreateContext(api, mesaVis, driContextPriv,
major_version, minor_version, flags,
error, sharedContextPrivate);
} else {
intelScreen->no_vbo = true;
success = i830CreateContext(api, mesaVis, driContextPriv,
major_version, minor_version, flags,
error, sharedContextPrivate);
}
if (success)
return true;
if (driContextPriv->driverPrivate != NULL)
intelDestroyContext(driContextPriv);
return false;
}
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;
}
static GLboolean
intelCreateContext(gl_api api,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
unsigned *error,
void *sharedContextPrivate)
{
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = sPriv->driverPrivate;
bool success = false;
switch (api) {
case API_OPENGL:
case API_OPENGLES:
break;
case API_OPENGLES2:
#ifdef I915
if (!IS_9XX(intelScreen->deviceID)) {
*error = __DRI_CTX_ERROR_BAD_API;
return false;
}
#endif
break;
case API_OPENGL_CORE:
*error = __DRI_CTX_ERROR_BAD_API;
return GL_FALSE;
}
#ifdef I915
if (IS_9XX(intelScreen->deviceID)) {
success = i915CreateContext(api, mesaVis, driContextPriv,
major_version, minor_version, error,
sharedContextPrivate);
} else {
switch (api) {
case API_OPENGL:
if (major_version > 1 || minor_version > 3) {
*error = __DRI_CTX_ERROR_BAD_VERSION;
return false;
}
break;
case API_OPENGLES:
break;
default:
*error = __DRI_CTX_ERROR_BAD_API;
return false;
}
intelScreen->no_vbo = true;
success = i830CreateContext(mesaVis, driContextPriv,
sharedContextPrivate);
if (!success) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
return false;
}
}
#else
success = brwCreateContext(api, mesaVis,
driContextPriv,
major_version, minor_version, error,
sharedContextPrivate);
#endif
if (success) {
struct gl_context *ctx =
(struct gl_context *) driContextPriv->driverPrivate;
_mesa_compute_version(ctx);
if (ctx->Version >= major_version * 10 + minor_version) {
return true;
}
*error = __DRI_CTX_ERROR_BAD_VERSION;
intelDestroyContext(driContextPriv);
} else {
*error = __DRI_CTX_ERROR_NO_MEMORY;
fprintf(stderr, "Unrecognized deviceID 0x%x\n", intelScreen->deviceID);
}
return false;
}
