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i965: Split code to set ctx->Const values into a helper function.
brwCreateContext() has a lot of random things to do. Factoring out the part that initializes ctx->Const values and shader compiler options makes the main function a bit easier to read. Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Acked-by: Chris Forbes <chrisf@ijw.co.nz> Acked-by: Paul Berry <stereotype441@gmail.com> Acked-by: Anuj Phogat <anuj.phogat@gmail.com>
This commit is contained in:
Kenneth Graunke
parent
d13c120573
commit
963d9f78a4
1 changed files with 130 additions and 120 deletions
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@ -107,82 +107,21 @@ static void brwInitDriverFunctions(struct intel_screen *screen,
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functions->GetSamplePosition = gen6_get_sample_position;
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}
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bool
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brwCreateContext(int api,
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const struct gl_config *mesaVis,
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__DRIcontext *driContextPriv,
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unsigned major_version,
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unsigned minor_version,
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uint32_t flags,
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unsigned *error,
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void *sharedContextPrivate)
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static void
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brw_initialize_context_constants(struct brw_context *brw)
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{
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__DRIscreen *sPriv = driContextPriv->driScreenPriv;
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struct intel_screen *screen = sPriv->driverPrivate;
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struct dd_function_table functions;
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unsigned i;
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struct brw_context *brw = rzalloc(NULL, struct brw_context);
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if (!brw) {
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printf("%s: failed to alloc context\n", __FUNCTION__);
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*error = __DRI_CTX_ERROR_NO_MEMORY;
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return false;
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}
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/* brwInitVtbl needs to know the chipset generation so that it can set the
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* right pointers.
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*/
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brw->intel.gen = screen->gen;
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brwInitVtbl( brw );
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brwInitDriverFunctions(screen, &functions);
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struct intel_context *intel = &brw->intel;
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struct gl_context *ctx = &intel->ctx;
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if (!intelInitContext( intel, api, major_version, minor_version,
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mesaVis, driContextPriv,
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sharedContextPrivate, &functions,
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error)) {
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ralloc_free(brw);
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return false;
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}
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if (intel->gen >= 6) {
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/* Create a new hardware context. Using a hardware context means that
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* our GPU state will be saved/restored on context switch, allowing us
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* to assume that the GPU is in the same state we left it in.
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*
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* This is required for transform feedback buffer offsets, query objects,
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* and also allows us to reduce how much state we have to emit.
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*/
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intel->hw_ctx = drm_intel_gem_context_create(intel->bufmgr);
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if (!intel->hw_ctx) {
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fprintf(stderr, "Gen6+ requires Kernel 3.6 or later.\n");
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ralloc_free(brw);
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return false;
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}
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}
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brw_init_surface_formats(brw);
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/* Initialize swrast, tnl driver tables: */
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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if (tnl)
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tnl->Driver.RunPipeline = _tnl_run_pipeline;
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ctx->DriverFlags.NewTransformFeedback = BRW_NEW_TRANSFORM_FEEDBACK;
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ctx->DriverFlags.NewRasterizerDiscard = BRW_NEW_RASTERIZER_DISCARD;
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ctx->DriverFlags.NewUniformBuffer = BRW_NEW_UNIFORM_BUFFER;
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ctx->Const.QueryCounterBits.Timestamp = 36;
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ctx->Const.MaxDualSourceDrawBuffers = 1;
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ctx->Const.MaxDrawBuffers = BRW_MAX_DRAW_BUFFERS;
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ctx->Const.FragmentProgram.MaxTextureImageUnits = BRW_MAX_TEX_UNIT;
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ctx->Const.MaxTextureCoordUnits = 8; /* Mesa limit */
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ctx->Const.MaxTextureUnits = MIN2(ctx->Const.MaxTextureCoordUnits,
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ctx->Const.FragmentProgram.MaxTextureImageUnits);
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ctx->Const.MaxTextureUnits =
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MIN2(ctx->Const.MaxTextureCoordUnits,
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ctx->Const.FragmentProgram.MaxTextureImageUnits);
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ctx->Const.VertexProgram.MaxTextureImageUnits = BRW_MAX_TEX_UNIT;
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ctx->Const.MaxCombinedTextureImageUnits =
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ctx->Const.VertexProgram.MaxTextureImageUnits +
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@ -190,7 +129,7 @@ brwCreateContext(int api,
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ctx->Const.MaxTextureLevels = 14; /* 8192 */
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if (ctx->Const.MaxTextureLevels > MAX_TEXTURE_LEVELS)
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ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS;
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ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS;
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ctx->Const.Max3DTextureLevels = 9;
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ctx->Const.MaxCubeTextureLevels = 12;
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@ -199,7 +138,7 @@ brwCreateContext(int api,
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else
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ctx->Const.MaxArrayTextureLayers = 512;
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ctx->Const.MaxTextureRectSize = (1<<12);
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ctx->Const.MaxTextureRectSize = 1 << 12;
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ctx->Const.MaxTextureMaxAnisotropy = 16.0;
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@ -228,19 +167,71 @@ brwCreateContext(int api,
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ctx->Const.MaxColorTextureSamples = 4;
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ctx->Const.MaxDepthTextureSamples = 4;
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ctx->Const.MaxIntegerSamples = 4;
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}
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else if (intel->gen >= 7) {
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} else if (intel->gen >= 7) {
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ctx->Const.MaxSamples = 8;
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ctx->Const.MaxColorTextureSamples = 8;
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ctx->Const.MaxDepthTextureSamples = 8;
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ctx->Const.MaxIntegerSamples = 8;
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}
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/* if conformance mode is set, swrast can handle any size AA point */
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ctx->Const.MaxPointSizeAA = 255.0;
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ctx->Const.VertexProgram.MaxNativeInstructions = 16 * 1024;
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ctx->Const.VertexProgram.MaxAluInstructions = 0;
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ctx->Const.VertexProgram.MaxTexInstructions = 0;
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ctx->Const.VertexProgram.MaxTexIndirections = 0;
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ctx->Const.VertexProgram.MaxNativeAluInstructions = 0;
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ctx->Const.VertexProgram.MaxNativeTexInstructions = 0;
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ctx->Const.VertexProgram.MaxNativeTexIndirections = 0;
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ctx->Const.VertexProgram.MaxNativeAttribs = 16;
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ctx->Const.VertexProgram.MaxNativeTemps = 256;
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ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
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ctx->Const.VertexProgram.MaxNativeParameters = 1024;
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ctx->Const.VertexProgram.MaxEnvParams =
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MIN2(ctx->Const.VertexProgram.MaxNativeParameters,
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ctx->Const.VertexProgram.MaxEnvParams);
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ctx->Const.FragmentProgram.MaxNativeInstructions = 1024;
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ctx->Const.FragmentProgram.MaxNativeAluInstructions = 1024;
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ctx->Const.FragmentProgram.MaxNativeTexInstructions = 1024;
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ctx->Const.FragmentProgram.MaxNativeTexIndirections = 1024;
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ctx->Const.FragmentProgram.MaxNativeAttribs = 12;
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ctx->Const.FragmentProgram.MaxNativeTemps = 256;
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ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;
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ctx->Const.FragmentProgram.MaxNativeParameters = 1024;
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ctx->Const.FragmentProgram.MaxEnvParams =
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MIN2(ctx->Const.FragmentProgram.MaxNativeParameters,
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ctx->Const.FragmentProgram.MaxEnvParams);
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/* Fragment shaders use real, 32-bit twos-complement integers for all
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* integer types.
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*/
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ctx->Const.FragmentProgram.LowInt.RangeMin = 31;
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ctx->Const.FragmentProgram.LowInt.RangeMax = 30;
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ctx->Const.FragmentProgram.LowInt.Precision = 0;
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ctx->Const.FragmentProgram.HighInt = ctx->Const.FragmentProgram.LowInt;
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ctx->Const.FragmentProgram.MediumInt = ctx->Const.FragmentProgram.LowInt;
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/* Gen6 converts quads to polygon in beginning of 3D pipeline,
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* but we're not sure how it's actually done for vertex order,
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* that affect provoking vertex decision. Always use last vertex
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* convention for quad primitive which works as expected for now.
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*/
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if (intel->gen >= 6)
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ctx->Const.QuadsFollowProvokingVertexConvention = false;
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ctx->Const.NativeIntegers = true;
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ctx->Const.UniformBooleanTrue = 1;
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ctx->Const.UniformBufferOffsetAlignment = 16;
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ctx->Const.ForceGLSLExtensionsWarn =
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driQueryOptionb(&intel->optionCache, "force_glsl_extensions_warn");
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ctx->Const.DisableGLSLLineContinuations =
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driQueryOptionb(&intel->optionCache, "disable_glsl_line_continuations");
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/* We want the GLSL compiler to emit code that uses condition codes */
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for (i = 0; i <= MESA_SHADER_FRAGMENT; i++) {
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for (int i = 0; i <= MESA_SHADER_FRAGMENT; i++) {
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ctx->ShaderCompilerOptions[i].MaxIfDepth = intel->gen < 6 ? 16 : UINT_MAX;
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ctx->ShaderCompilerOptions[i].EmitCondCodes = true;
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ctx->ShaderCompilerOptions[i].EmitNoNoise = true;
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@ -256,51 +247,78 @@ brwCreateContext(int api,
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}
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ctx->ShaderCompilerOptions[MESA_SHADER_VERTEX].PreferDP4 = true;
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}
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ctx->Const.VertexProgram.MaxNativeInstructions = (16 * 1024);
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ctx->Const.VertexProgram.MaxAluInstructions = 0;
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ctx->Const.VertexProgram.MaxTexInstructions = 0;
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ctx->Const.VertexProgram.MaxTexIndirections = 0;
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ctx->Const.VertexProgram.MaxNativeAluInstructions = 0;
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ctx->Const.VertexProgram.MaxNativeTexInstructions = 0;
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ctx->Const.VertexProgram.MaxNativeTexIndirections = 0;
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ctx->Const.VertexProgram.MaxNativeAttribs = 16;
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ctx->Const.VertexProgram.MaxNativeTemps = 256;
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ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
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ctx->Const.VertexProgram.MaxNativeParameters = 1024;
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ctx->Const.VertexProgram.MaxEnvParams =
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MIN2(ctx->Const.VertexProgram.MaxNativeParameters,
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ctx->Const.VertexProgram.MaxEnvParams);
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bool
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brwCreateContext(int api,
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const struct gl_config *mesaVis,
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__DRIcontext *driContextPriv,
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unsigned major_version,
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unsigned minor_version,
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uint32_t flags,
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unsigned *error,
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void *sharedContextPrivate)
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{
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__DRIscreen *sPriv = driContextPriv->driScreenPriv;
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struct intel_screen *screen = sPriv->driverPrivate;
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struct dd_function_table functions;
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ctx->Const.FragmentProgram.MaxNativeInstructions = (1 * 1024);
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ctx->Const.FragmentProgram.MaxNativeAluInstructions = (1 * 1024);
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ctx->Const.FragmentProgram.MaxNativeTexInstructions = (1 * 1024);
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ctx->Const.FragmentProgram.MaxNativeTexIndirections = (1 * 1024);
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ctx->Const.FragmentProgram.MaxNativeAttribs = 12;
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ctx->Const.FragmentProgram.MaxNativeTemps = 256;
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ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;
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ctx->Const.FragmentProgram.MaxNativeParameters = 1024;
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ctx->Const.FragmentProgram.MaxEnvParams =
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MIN2(ctx->Const.FragmentProgram.MaxNativeParameters,
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ctx->Const.FragmentProgram.MaxEnvParams);
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struct brw_context *brw = rzalloc(NULL, struct brw_context);
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if (!brw) {
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printf("%s: failed to alloc context\n", __FUNCTION__);
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*error = __DRI_CTX_ERROR_NO_MEMORY;
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return false;
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}
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/* Fragment shaders use real, 32-bit twos-complement integers for all
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* integer types.
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/* brwInitVtbl needs to know the chipset generation so that it can set the
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* right pointers.
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*/
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ctx->Const.FragmentProgram.LowInt.RangeMin = 31;
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ctx->Const.FragmentProgram.LowInt.RangeMax = 30;
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ctx->Const.FragmentProgram.LowInt.Precision = 0;
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ctx->Const.FragmentProgram.HighInt = ctx->Const.FragmentProgram.MediumInt
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= ctx->Const.FragmentProgram.LowInt;
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brw->intel.gen = screen->gen;
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/* Gen6 converts quads to polygon in beginning of 3D pipeline,
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but we're not sure how it's actually done for vertex order,
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that affect provoking vertex decision. Always use last vertex
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convention for quad primitive which works as expected for now. */
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if (intel->gen >= 6)
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ctx->Const.QuadsFollowProvokingVertexConvention = false;
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brwInitVtbl( brw );
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ctx->Const.QueryCounterBits.Timestamp = 36;
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brwInitDriverFunctions(screen, &functions);
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struct intel_context *intel = &brw->intel;
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struct gl_context *ctx = &intel->ctx;
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if (!intelInitContext( intel, api, major_version, minor_version,
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mesaVis, driContextPriv,
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sharedContextPrivate, &functions,
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error)) {
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ralloc_free(brw);
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return false;
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}
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brw_initialize_context_constants(brw);
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if (intel->gen >= 6) {
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/* Create a new hardware context. Using a hardware context means that
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* our GPU state will be saved/restored on context switch, allowing us
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* to assume that the GPU is in the same state we left it in.
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*
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* This is required for transform feedback buffer offsets, query objects,
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* and also allows us to reduce how much state we have to emit.
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*/
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intel->hw_ctx = drm_intel_gem_context_create(intel->bufmgr);
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if (!intel->hw_ctx) {
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fprintf(stderr, "Gen6+ requires Kernel 3.6 or later.\n");
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ralloc_free(brw);
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return false;
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}
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}
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brw_init_surface_formats(brw);
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/* Initialize swrast, tnl driver tables: */
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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if (tnl)
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tnl->Driver.RunPipeline = _tnl_run_pipeline;
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ctx->DriverFlags.NewTransformFeedback = BRW_NEW_TRANSFORM_FEEDBACK;
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ctx->DriverFlags.NewRasterizerDiscard = BRW_NEW_RASTERIZER_DISCARD;
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ctx->DriverFlags.NewUniformBuffer = BRW_NEW_UNIFORM_BUFFER;
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if (intel->is_g4x || intel->gen >= 5) {
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brw->CMD_VF_STATISTICS = GM45_3DSTATE_VF_STATISTICS;
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@ -417,14 +435,6 @@ brwCreateContext(int api,
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brw->precompile = driQueryOptionb(&intel->optionCache, "shader_precompile");
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ctx->Const.NativeIntegers = true;
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ctx->Const.UniformBooleanTrue = 1;
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ctx->Const.UniformBufferOffsetAlignment = 16;
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ctx->Const.ForceGLSLExtensionsWarn = driQueryOptionb(&intel->optionCache, "force_glsl_extensions_warn");
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ctx->Const.DisableGLSLLineContinuations = driQueryOptionb(&intel->optionCache, "disable_glsl_line_continuations");
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ctx->Const.ContextFlags = 0;
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if ((flags & __DRI_CTX_FLAG_FORWARD_COMPATIBLE) != 0)
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ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT;
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