bool
brwCreateContext(int 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 *screen = sPriv->driverPrivate;
struct dd_function_table functions;
struct brw_context *brw = rzalloc(NULL, struct brw_context);
if (!brw) {
printf("%s: failed to alloc context\n", __FUNCTION__);
*error = __DRI_CTX_ERROR_NO_MEMORY;
return false;
}
/* brwInitVtbl needs to know the chipset generation so that it can set the
* right pointers.
*/
brw->gen = screen->gen;
brwInitVtbl( brw );
brwInitDriverFunctions(screen, &functions);
struct gl_context *ctx = &brw->ctx;
if (!intelInitContext( brw, api, major_version, minor_version,
mesaVis, driContextPriv,
sharedContextPrivate, &functions,
error)) {
ralloc_free(brw);
return false;
}
brw_initialize_context_constants(brw);
/* Reinitialize the context point state. It depends on ctx->Const values. */
_mesa_init_point(ctx);
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");
ralloc_free(brw);
return false;
}
}
brw_init_surface_formats(brw);
/* Initialize swrast, tnl driver tables: */
TNLcontext *tnl = TNL_CONTEXT(ctx);
if (tnl)
tnl->Driver.RunPipeline = _tnl_run_pipeline;
ctx->DriverFlags.NewTransformFeedback = BRW_NEW_TRANSFORM_FEEDBACK;
ctx->DriverFlags.NewRasterizerDiscard = BRW_NEW_RASTERIZER_DISCARD;
ctx->DriverFlags.NewUniformBuffer = BRW_NEW_UNIFORM_BUFFER;
if (brw->is_g4x || brw->gen >= 5) {
brw->CMD_VF_STATISTICS = GM45_3DSTATE_VF_STATISTICS;
brw->CMD_PIPELINE_SELECT = CMD_PIPELINE_SELECT_GM45;
brw->has_surface_tile_offset = true;
if (brw->gen < 6)
brw->has_compr4 = true;
brw->has_aa_line_parameters = true;
brw->has_pln = true;
} else {
brw->CMD_VF_STATISTICS = GEN4_3DSTATE_VF_STATISTICS;
brw->CMD_PIPELINE_SELECT = CMD_PIPELINE_SELECT_965;
}
/* WM maximum threads is number of EUs times number of threads per EU. */
assert(brw->gen <= 7);
if (brw->is_haswell) {
if (brw->gt == 1) {
brw->max_wm_threads = 102;
brw->max_vs_threads = 70;
brw->max_gs_threads = 70;
brw->urb.size = 128;
brw->urb.min_vs_entries = 32;
brw->urb.max_vs_entries = 640;
brw->urb.max_gs_entries = 256;
} else if (brw->gt == 2) {
brw->max_wm_threads = 204;
brw->max_vs_threads = 280;
brw->max_gs_threads = 256;
brw->urb.size = 256;
brw->urb.min_vs_entries = 64;
brw->urb.max_vs_entries = 1664;
brw->urb.max_gs_entries = 640;
} else if (brw->gt == 3) {
brw->max_wm_threads = 408;
brw->max_vs_threads = 280;
brw->max_gs_threads = 256;
brw->urb.size = 512;
brw->urb.min_vs_entries = 64;
brw->urb.max_vs_entries = 1664;
brw->urb.max_gs_entries = 640;
}
} else if (brw->gen == 7) {
if (brw->gt == 1) {
brw->max_wm_threads = 48;
brw->max_vs_threads = 36;
brw->max_gs_threads = 36;
brw->urb.size = 128;
brw->urb.min_vs_entries = 32;
brw->urb.max_vs_entries = 512;
brw->urb.max_gs_entries = 192;
} else if (brw->gt == 2) {
brw->max_wm_threads = 172;
brw->max_vs_threads = 128;
brw->max_gs_threads = 128;
brw->urb.size = 256;
brw->urb.min_vs_entries = 32;
brw->urb.max_vs_entries = 704;
brw->urb.max_gs_entries = 320;
} else {
assert(!"Unknown gen7 device.");
}
} else if (brw->gen == 6) {
if (brw->gt == 2) {
brw->max_wm_threads = 80;
brw->max_vs_threads = 60;
brw->max_gs_threads = 60;
brw->urb.size = 64; /* volume 5c.5 section 5.1 */
brw->urb.min_vs_entries = 24;
brw->urb.max_vs_entries = 256; /* volume 2a (see 3DSTATE_URB) */
brw->urb.max_gs_entries = 256;
} else {
brw->max_wm_threads = 40;
brw->max_vs_threads = 24;
brw->max_gs_threads = 21; /* conservative; 24 if rendering disabled */
brw->urb.size = 32; /* volume 5c.5 section 5.1 */
brw->urb.min_vs_entries = 24;
brw->urb.max_vs_entries = 256; /* volume 2a (see 3DSTATE_URB) */
brw->urb.max_gs_entries = 256;
}
brw->urb.gen6_gs_previously_active = false;
} else if (brw->gen == 5) {
brw->urb.size = 1024;
brw->max_vs_threads = 72;
brw->max_gs_threads = 32;
brw->max_wm_threads = 12 * 6;
} else if (brw->is_g4x) {
brw->urb.size = 384;
brw->max_vs_threads = 32;
brw->max_gs_threads = 2;
brw->max_wm_threads = 10 * 5;
} else if (brw->gen < 6) {
brw->urb.size = 256;
brw->max_vs_threads = 16;
brw->max_gs_threads = 2;
brw->max_wm_threads = 8 * 4;
brw->has_negative_rhw_bug = true;
}
if (brw->gen <= 7) {
brw->needs_unlit_centroid_workaround = true;
}
brw->prim_restart.in_progress = false;
brw->prim_restart.enable_cut_index = false;
brw_init_state( brw );
if (brw->gen < 6) {
brw->curbe.last_buf = calloc(1, 4096);
brw->curbe.next_buf = calloc(1, 4096);
}
brw->state.dirty.mesa = ~0;
brw->state.dirty.brw = ~0;
/* Make sure that brw->state.dirty.brw has enough bits to hold all possible
* dirty flags.
*/
STATIC_ASSERT(BRW_NUM_STATE_BITS <= 8 * sizeof(brw->state.dirty.brw));
brw->emit_state_always = 0;
brw->batch.need_workaround_flush = true;
ctx->VertexProgram._MaintainTnlProgram = true;
ctx->FragmentProgram._MaintainTexEnvProgram = true;
brw_draw_init( brw );
brw->precompile = driQueryOptionb(&brw->optionCache, "shader_precompile");
ctx->Const.ContextFlags = 0;
if ((flags & __DRI_CTX_FLAG_FORWARD_COMPATIBLE) != 0)
ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT;
ctx->Debug.DebugOutput = GL_FALSE;
if ((flags & __DRI_CTX_FLAG_DEBUG) != 0) {
ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_DEBUG_BIT;
ctx->Debug.DebugOutput = GL_TRUE;
/* Turn on some extra GL_ARB_debug_output generation. */
brw->perf_debug = true;
}
brw_fs_alloc_reg_sets(brw);
brw_vec4_alloc_reg_set(brw);
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);
return true;
}
GLboolean brwCreateContext( const __GLcontextModes *mesaVis,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate)
{
struct dd_function_table functions;
struct brw_context *brw = (struct brw_context *) CALLOC_STRUCT(brw_context);
struct intel_context *intel = &brw->intel;
GLcontext *ctx = &intel->ctx;
if (!brw) {
_mesa_printf("%s: failed to alloc context\n", __FUNCTION__);
return GL_FALSE;
}
brwInitVtbl( brw );
brwInitDriverFunctions( &functions );
if (!intelInitContext( intel, mesaVis, driContextPriv,
sharedContextPrivate, &functions )) {
_mesa_printf("%s: failed to init intel context\n", __FUNCTION__);
FREE(brw);
return GL_FALSE;
}
/* Initialize swrast, tnl driver tables: */
intelInitSpanFuncs(ctx);
TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
ctx->Const.MaxTextureUnits = BRW_MAX_TEX_UNIT;
ctx->Const.MaxTextureImageUnits = BRW_MAX_TEX_UNIT;
ctx->Const.MaxTextureCoordUnits = BRW_MAX_TEX_UNIT;
ctx->Const.MaxVertexTextureImageUnits = 0; /* no vertex shader textures */
/* Advertise the full hardware capabilities. The new memory
* manager should cope much better with overload situations:
*/
ctx->Const.MaxTextureLevels = 12;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 12;
ctx->Const.MaxTextureRectSize = (1<<11);
ctx->Const.MaxTextureUnits = BRW_MAX_TEX_UNIT;
/* ctx->Const.MaxNativeVertexProgramTemps = 32; */
brw_init_attribs( brw );
brw_init_metaops( brw );
brw_init_state( brw );
brw->state.dirty.mesa = ~0;
brw->state.dirty.brw = ~0;
brw->emit_state_always = 0;
ctx->FragmentProgram._MaintainTexEnvProgram = 1;
brw_draw_init( brw );
brw_ProgramCacheInit( ctx );
return GL_TRUE;
}
GLboolean brwCreateContext( const __GLcontextModes *mesaVis,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate)
{
struct dd_function_table functions;
struct brw_context *brw = (struct brw_context *) CALLOC_STRUCT(brw_context);
struct intel_context *intel = &brw->intel;
GLcontext *ctx = &intel->ctx;
if (!brw) {
_mesa_printf("%s: failed to alloc context\n", __FUNCTION__);
return GL_FALSE;
}
brwInitVtbl( brw );
brwInitDriverFunctions( &functions );
if (!intelInitContext( intel, mesaVis, driContextPriv,
sharedContextPrivate, &functions )) {
_mesa_printf("%s: failed to init intel context\n", __FUNCTION__);
FREE(brw);
return GL_FALSE;
}
/* Initialize swrast, tnl driver tables: */
intelInitSpanFuncs(ctx);
TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
ctx->Const.MaxDrawBuffers = BRW_MAX_DRAW_BUFFERS;
ctx->Const.MaxTextureImageUnits = BRW_MAX_TEX_UNIT;
ctx->Const.MaxTextureCoordUnits = 8; /* Mesa limit */
ctx->Const.MaxTextureUnits = MIN2(ctx->Const.MaxTextureCoordUnits,
ctx->Const.MaxTextureImageUnits);
ctx->Const.MaxVertexTextureImageUnits = 0; /* no vertex shader textures */
/* Mesa limits textures to 4kx4k; it would be nice to fix that someday
*/
ctx->Const.MaxTextureLevels = 13;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 12;
ctx->Const.MaxTextureRectSize = (1<<12);
ctx->Const.MaxTextureMaxAnisotropy = 16.0;
/* if conformance mode is set, swrast can handle any size AA point */
ctx->Const.MaxPointSizeAA = 255.0;
/* We want the GLSL compiler to emit code that uses condition codes */
ctx->Shader.EmitCondCodes = GL_TRUE;
ctx->Shader.EmitNVTempInitialization = GL_TRUE;
ctx->Const.VertexProgram.MaxNativeInstructions = (16 * 1024);
ctx->Const.VertexProgram.MaxAluInstructions = 0;
ctx->Const.VertexProgram.MaxTexInstructions = 0;
ctx->Const.VertexProgram.MaxTexIndirections = 0;
ctx->Const.VertexProgram.MaxNativeAluInstructions = 0;
ctx->Const.VertexProgram.MaxNativeTexInstructions = 0;
ctx->Const.VertexProgram.MaxNativeTexIndirections = 0;
ctx->Const.VertexProgram.MaxNativeAttribs = 16;
ctx->Const.VertexProgram.MaxNativeTemps = 256;
ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
ctx->Const.VertexProgram.MaxNativeParameters = 1024;
ctx->Const.VertexProgram.MaxEnvParams =
MIN2(ctx->Const.VertexProgram.MaxNativeParameters,
ctx->Const.VertexProgram.MaxEnvParams);
ctx->Const.FragmentProgram.MaxNativeInstructions = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeAluInstructions = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeTexInstructions = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeTexIndirections = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeAttribs = 12;
ctx->Const.FragmentProgram.MaxNativeTemps = 256;
ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;
ctx->Const.FragmentProgram.MaxNativeParameters = 1024;
ctx->Const.FragmentProgram.MaxEnvParams =
MIN2(ctx->Const.FragmentProgram.MaxNativeParameters,
ctx->Const.FragmentProgram.MaxEnvParams);
brw_init_state( brw );
brw->state.dirty.mesa = ~0;
brw->state.dirty.brw = ~0;
brw->emit_state_always = 0;
ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
make_empty_list(&brw->query.active_head);
brw_draw_init( brw );
return GL_TRUE;
}
bool
brwCreateContext(int api,
const struct gl_config *mesaVis,
__DRIcontext *driContextPriv,
void *sharedContextPrivate)
{
struct dd_function_table functions;
struct brw_context *brw = rzalloc(NULL, struct brw_context);
struct intel_context *intel = &brw->intel;
struct gl_context *ctx = &intel->ctx;
unsigned i;
if (!brw) {
printf("%s: failed to alloc context\n", __FUNCTION__);
return false;
}
brwInitDriverFunctions( &functions );
if (!intelInitContext( intel, api, mesaVis, driContextPriv,
sharedContextPrivate, &functions )) {
printf("%s: failed to init intel context\n", __FUNCTION__);
FREE(brw);
return false;
}
brwInitVtbl( brw );
brw_init_surface_formats(brw);
/* Initialize swrast, tnl driver tables: */
intelInitSpanFuncs(ctx);
TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
ctx->Const.MaxDrawBuffers = BRW_MAX_DRAW_BUFFERS;
ctx->Const.MaxTextureImageUnits = BRW_MAX_TEX_UNIT;
ctx->Const.MaxTextureCoordUnits = 8; /* Mesa limit */
ctx->Const.MaxTextureUnits = MIN2(ctx->Const.MaxTextureCoordUnits,
ctx->Const.MaxTextureImageUnits);
ctx->Const.MaxVertexTextureImageUnits = BRW_MAX_TEX_UNIT;
ctx->Const.MaxCombinedTextureImageUnits =
ctx->Const.MaxVertexTextureImageUnits +
ctx->Const.MaxTextureImageUnits;
ctx->Const.MaxTextureLevels = 14; /* 8192 */
if (ctx->Const.MaxTextureLevels > MAX_TEXTURE_LEVELS)
ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 12;
/* minimum maximum. Users are likely to run into memory problems
* even at this size, since 64 * 2048 * 2048 * 4 = 1GB and we can't
* address that much.
*/
ctx->Const.MaxArrayTextureLayers = 64;
ctx->Const.MaxTextureRectSize = (1<<12);
ctx->Const.MaxTextureMaxAnisotropy = 16.0;
/* Hardware only supports a limited number of transform feedback buffers.
* So we need to override the Mesa default (which is based only on software
* limits).
*/
ctx->Const.MaxTransformFeedbackSeparateAttribs = BRW_MAX_SOL_BUFFERS;
/* On Gen6, in the worst case, we use up one binding table entry per
* transform feedback component (see comments above the definition of
* BRW_MAX_SOL_BINDINGS, in brw_context.h), so we need to advertise a value
* for MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS equal to
* BRW_MAX_SOL_BINDINGS.
*
* In "separate components" mode, we need to divide this value by
* BRW_MAX_SOL_BUFFERS, so that the total number of binding table entries
* used up by all buffers will not exceed BRW_MAX_SOL_BINDINGS.
*/
ctx->Const.MaxTransformFeedbackInterleavedComponents = BRW_MAX_SOL_BINDINGS;
ctx->Const.MaxTransformFeedbackSeparateComponents =
BRW_MAX_SOL_BINDINGS / BRW_MAX_SOL_BUFFERS;
/* if conformance mode is set, swrast can handle any size AA point */
ctx->Const.MaxPointSizeAA = 255.0;
/* We want the GLSL compiler to emit code that uses condition codes */
for (i = 0; i <= MESA_SHADER_FRAGMENT; i++) {
ctx->ShaderCompilerOptions[i].MaxIfDepth = intel->gen < 6 ? 16 : UINT_MAX;
ctx->ShaderCompilerOptions[i].EmitCondCodes = true;
ctx->ShaderCompilerOptions[i].EmitNVTempInitialization = true;
ctx->ShaderCompilerOptions[i].EmitNoNoise = true;
ctx->ShaderCompilerOptions[i].EmitNoMainReturn = true;
ctx->ShaderCompilerOptions[i].EmitNoIndirectInput = true;
ctx->ShaderCompilerOptions[i].EmitNoIndirectOutput = true;
ctx->ShaderCompilerOptions[i].EmitNoIndirectUniform =
(i == MESA_SHADER_FRAGMENT);
ctx->ShaderCompilerOptions[i].EmitNoIndirectTemp =
(i == MESA_SHADER_FRAGMENT);
ctx->ShaderCompilerOptions[i].LowerClipDistance = true;
}
ctx->Const.VertexProgram.MaxNativeInstructions = (16 * 1024);
ctx->Const.VertexProgram.MaxAluInstructions = 0;
ctx->Const.VertexProgram.MaxTexInstructions = 0;
ctx->Const.VertexProgram.MaxTexIndirections = 0;
ctx->Const.VertexProgram.MaxNativeAluInstructions = 0;
ctx->Const.VertexProgram.MaxNativeTexInstructions = 0;
ctx->Const.VertexProgram.MaxNativeTexIndirections = 0;
ctx->Const.VertexProgram.MaxNativeAttribs = 16;
ctx->Const.VertexProgram.MaxNativeTemps = 256;
ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
ctx->Const.VertexProgram.MaxNativeParameters = 1024;
ctx->Const.VertexProgram.MaxEnvParams =
MIN2(ctx->Const.VertexProgram.MaxNativeParameters,
ctx->Const.VertexProgram.MaxEnvParams);
ctx->Const.FragmentProgram.MaxNativeInstructions = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeAluInstructions = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeTexInstructions = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeTexIndirections = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeAttribs = 12;
ctx->Const.FragmentProgram.MaxNativeTemps = 256;
ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;
ctx->Const.FragmentProgram.MaxNativeParameters = 1024;
ctx->Const.FragmentProgram.MaxEnvParams =
MIN2(ctx->Const.FragmentProgram.MaxNativeParameters,
ctx->Const.FragmentProgram.MaxEnvParams);
/* Fragment shaders use real, 32-bit twos-complement integers for all
* integer types.
*/
ctx->Const.FragmentProgram.LowInt.RangeMin = 31;
ctx->Const.FragmentProgram.LowInt.RangeMax = 30;
ctx->Const.FragmentProgram.LowInt.Precision = 0;
ctx->Const.FragmentProgram.HighInt = ctx->Const.FragmentProgram.MediumInt
= ctx->Const.FragmentProgram.LowInt;
/* Gen6 converts quads to polygon in beginning of 3D pipeline,
but we're not sure how it's actually done for vertex order,
that affect provoking vertex decision. Always use last vertex
convention for quad primitive which works as expected for now. */
if (intel->gen >= 6)
ctx->Const.QuadsFollowProvokingVertexConvention = false;
if (intel->is_g4x || intel->gen >= 5) {
brw->CMD_VF_STATISTICS = GM45_3DSTATE_VF_STATISTICS;
brw->CMD_PIPELINE_SELECT = CMD_PIPELINE_SELECT_GM45;
brw->has_surface_tile_offset = true;
if (intel->gen < 6)
brw->has_compr4 = true;
brw->has_aa_line_parameters = true;
brw->has_pln = true;
} else {
brw->CMD_VF_STATISTICS = GEN4_3DSTATE_VF_STATISTICS;
brw->CMD_PIPELINE_SELECT = CMD_PIPELINE_SELECT_965;
}
/* WM maximum threads is number of EUs times number of threads per EU. */
if (intel->gen >= 7) {
if (intel->gt == 1) {
brw->max_wm_threads = 86;
brw->max_vs_threads = 36;
brw->max_gs_threads = 36;
brw->urb.size = 128;
brw->urb.max_vs_entries = 512;
brw->urb.max_gs_entries = 192;
} else if (intel->gt == 2) {
brw->max_wm_threads = 86;
brw->max_vs_threads = 128;
brw->max_gs_threads = 128;
brw->urb.size = 256;
brw->urb.max_vs_entries = 704;
brw->urb.max_gs_entries = 320;
} else {
assert(!"Unknown gen7 device.");
}
} else if (intel->gen == 6) {
if (intel->gt == 2) {
/* This could possibly be 80, but is supposed to require
* disabling of WIZ hashing (bit 6 of GT_MODE, 0x20d0) and a
* GPU reset to change.
*/
brw->max_wm_threads = 40;
brw->max_vs_threads = 60;
brw->max_gs_threads = 60;
brw->urb.size = 64; /* volume 5c.5 section 5.1 */
brw->urb.max_vs_entries = 256; /* volume 2a (see 3DSTATE_URB) */
brw->urb.max_gs_entries = 256;
} else {
brw->max_wm_threads = 40;
brw->max_vs_threads = 24;
brw->max_gs_threads = 21; /* conservative; 24 if rendering disabled */
brw->urb.size = 32; /* volume 5c.5 section 5.1 */
brw->urb.max_vs_entries = 128; /* volume 2a (see 3DSTATE_URB) */
brw->urb.max_gs_entries = 256;
}
brw->urb.gen6_gs_previously_active = false;
} else if (intel->gen == 5) {
brw->urb.size = 1024;
brw->max_vs_threads = 72;
brw->max_gs_threads = 32;
brw->max_wm_threads = 12 * 6;
} else if (intel->is_g4x) {
brw->urb.size = 384;
brw->max_vs_threads = 32;
brw->max_gs_threads = 2;
brw->max_wm_threads = 10 * 5;
} else if (intel->gen < 6) {
brw->urb.size = 256;
brw->max_vs_threads = 16;
brw->max_gs_threads = 2;
brw->max_wm_threads = 8 * 4;
brw->has_negative_rhw_bug = true;
}
brw_init_state( brw );
brw->curbe.last_buf = calloc(1, 4096);
brw->curbe.next_buf = calloc(1, 4096);
brw->state.dirty.mesa = ~0;
brw->state.dirty.brw = ~0;
brw->emit_state_always = 0;
intel->batch.need_workaround_flush = true;
ctx->VertexProgram._MaintainTnlProgram = true;
ctx->FragmentProgram._MaintainTexEnvProgram = true;
brw_draw_init( brw );
brw->new_vs_backend = (getenv("INTEL_OLD_VS") == NULL);
brw->precompile = driQueryOptionb(&intel->optionCache, "shader_precompile");
/* If we're using the new shader backend, we require integer uniforms
* stored as actual integers.
*/
if (brw->new_vs_backend) {
ctx->Const.NativeIntegers = true;
ctx->Const.UniformBooleanTrue = 1;
}
return true;
}