Move GrGLProgramDesc::Build to new cpp file.
Review URL: https://codereview.chromium.org/13097007 git-svn-id: http://skia.googlecode.com/svn/trunk@8414 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
bsalomon@google.com
parent
db4462566a
commit
798c8c4fe6
@ -168,6 +168,7 @@
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'<(skia_src_path)/gpu/gl/GrGLPath.h',
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'<(skia_src_path)/gpu/gl/GrGLPath.h',
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'<(skia_src_path)/gpu/gl/GrGLProgram.cpp',
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'<(skia_src_path)/gpu/gl/GrGLProgram.cpp',
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'<(skia_src_path)/gpu/gl/GrGLProgram.h',
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'<(skia_src_path)/gpu/gl/GrGLProgram.h',
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'<(skia_src_path)/gpu/gl/GrGLProgramDesc.cpp',
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'<(skia_src_path)/gpu/gl/GrGLProgramDesc.h',
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'<(skia_src_path)/gpu/gl/GrGLProgramDesc.h',
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'<(skia_src_path)/gpu/gl/GrGLRenderTarget.cpp',
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'<(skia_src_path)/gpu/gl/GrGLRenderTarget.cpp',
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'<(skia_src_path)/gpu/gl/GrGLRenderTarget.h',
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'<(skia_src_path)/gpu/gl/GrGLRenderTarget.h',
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@ -13,7 +13,6 @@
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#include "GrGLEffect.h"
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#include "GrGLEffect.h"
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#include "GrGpuGL.h"
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#include "GrGpuGL.h"
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#include "GrGLShaderVar.h"
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#include "GrGLShaderVar.h"
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#include "GrBackendEffectFactory.h"
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#include "SkTrace.h"
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#include "SkTrace.h"
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#include "SkXfermode.h"
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#include "SkXfermode.h"
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@ -36,193 +35,6 @@ inline const char* declared_color_output_name() { return "fsColorOut"; }
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inline const char* dual_source_output_name() { return "dualSourceOut"; }
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inline const char* dual_source_output_name() { return "dualSourceOut"; }
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}
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}
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void GrGLProgramDesc::Build(const GrDrawState& drawState,
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bool isPoints,
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GrDrawState::BlendOptFlags blendOpts,
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GrBlendCoeff srcCoeff,
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GrBlendCoeff dstCoeff,
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const GrGpuGL* gpu,
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GrGLProgramDesc* desc) {
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// This should already have been caught
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GrAssert(!(GrDrawState::kSkipDraw_BlendOptFlag & blendOpts));
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bool skipCoverage = SkToBool(blendOpts & GrDrawState::kEmitTransBlack_BlendOptFlag);
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bool skipColor = SkToBool(blendOpts & (GrDrawState::kEmitTransBlack_BlendOptFlag |
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GrDrawState::kEmitCoverage_BlendOptFlag));
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// The descriptor is used as a cache key. Thus when a field of the
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// descriptor will not affect program generation (because of the attribute
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// bindings in use or other descriptor field settings) it should be set
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// to a canonical value to avoid duplicate programs with different keys.
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// Must initialize all fields or cache will have false negatives!
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desc->fAttribBindings = drawState.getAttribBindings();
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desc->fEmitsPointSize = isPoints;
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bool requiresAttributeColors =
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!skipColor && SkToBool(desc->fAttribBindings & GrDrawState::kColor_AttribBindingsBit);
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bool requiresAttributeCoverage =
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!skipCoverage && SkToBool(desc->fAttribBindings & GrDrawState::kCoverage_AttribBindingsBit);
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// fColorInput/fCoverageInput records how colors are specified for the program So we strip the
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// bits from the bindings to avoid false negatives when searching for an existing program in the
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// cache.
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desc->fAttribBindings &=
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~(GrDrawState::kColor_AttribBindingsBit | GrDrawState::kCoverage_AttribBindingsBit);
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desc->fColorFilterXfermode = skipColor ?
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SkXfermode::kDst_Mode :
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drawState.getColorFilterMode();
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// no reason to do edge aa or look at per-vertex coverage if coverage is ignored
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if (skipCoverage) {
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desc->fAttribBindings &= ~(GrDrawState::kCoverage_AttribBindingsBit);
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}
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bool colorIsTransBlack = SkToBool(blendOpts & GrDrawState::kEmitTransBlack_BlendOptFlag);
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bool colorIsSolidWhite = (blendOpts & GrDrawState::kEmitCoverage_BlendOptFlag) ||
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(!requiresAttributeColors && 0xffffffff == drawState.getColor());
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if (colorIsTransBlack) {
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desc->fColorInput = kTransBlack_ColorInput;
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} else if (colorIsSolidWhite) {
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desc->fColorInput = kSolidWhite_ColorInput;
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} else if (GR_GL_NO_CONSTANT_ATTRIBUTES && !requiresAttributeColors) {
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desc->fColorInput = kUniform_ColorInput;
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} else {
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desc->fColorInput = kAttribute_ColorInput;
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}
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bool covIsSolidWhite = !requiresAttributeCoverage && 0xffffffff == drawState.getCoverage();
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if (skipCoverage) {
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desc->fCoverageInput = kTransBlack_ColorInput;
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} else if (covIsSolidWhite) {
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desc->fCoverageInput = kSolidWhite_ColorInput;
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} else if (GR_GL_NO_CONSTANT_ATTRIBUTES && !requiresAttributeCoverage) {
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desc->fCoverageInput = kUniform_ColorInput;
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} else {
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desc->fCoverageInput = kAttribute_ColorInput;
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}
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int lastEnabledStage = -1;
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for (int s = 0; s < GrDrawState::kNumStages; ++s) {
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bool skip = s < drawState.getFirstCoverageStage() ? skipColor : skipCoverage;
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if (!skip && drawState.isStageEnabled(s)) {
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lastEnabledStage = s;
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const GrEffectRef& effect = *drawState.getStage(s).getEffect();
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const GrBackendEffectFactory& factory = effect->getFactory();
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bool explicitLocalCoords = (drawState.getAttribBindings() &
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GrDrawState::kLocalCoords_AttribBindingsBit);
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GrDrawEffect drawEffect(drawState.getStage(s), explicitLocalCoords);
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desc->fEffectKeys[s] = factory.glEffectKey(drawEffect, gpu->glCaps());
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} else {
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desc->fEffectKeys[s] = 0;
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}
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}
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desc->fDualSrcOutput = kNone_DualSrcOutput;
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// Currently the experimental GS will only work with triangle prims (and it doesn't do anything
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// other than pass through values from the VS to the FS anyway).
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#if GR_GL_EXPERIMENTAL_GS
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#if 0
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desc->fExperimentalGS = gpu->caps().geometryShaderSupport();
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#else
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desc->fExperimentalGS = false;
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#endif
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#endif
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// We leave this set to kNumStages until we discover that the coverage/color distinction is
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// material to the generated program. We do this to avoid distinct keys that generate equivalent
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// programs.
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desc->fFirstCoverageStage = GrDrawState::kNumStages;
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// This tracks the actual first coverage stage.
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int firstCoverageStage = GrDrawState::kNumStages;
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desc->fDiscardIfZeroCoverage = false; // Enabled below if stenciling and there is coverage.
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bool hasCoverage = false;
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// If we're rendering coverage-as-color then its as though there are no coverage stages.
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if (!drawState.isCoverageDrawing()) {
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// We can have coverage either through a stage or coverage vertex attributes.
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if (drawState.getFirstCoverageStage() <= lastEnabledStage) {
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firstCoverageStage = drawState.getFirstCoverageStage();
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hasCoverage = true;
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} else {
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hasCoverage = requiresAttributeCoverage;
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}
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}
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if (hasCoverage) {
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// color filter is applied between color/coverage computation
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if (SkXfermode::kDst_Mode != desc->fColorFilterXfermode) {
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desc->fFirstCoverageStage = firstCoverageStage;
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}
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// If we're stenciling then we want to discard samples that have zero coverage
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if (drawState.getStencil().doesWrite()) {
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desc->fDiscardIfZeroCoverage = true;
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desc->fFirstCoverageStage = firstCoverageStage;
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}
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if (gpu->caps()->dualSourceBlendingSupport() &&
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!(blendOpts & (GrDrawState::kEmitCoverage_BlendOptFlag |
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GrDrawState::kCoverageAsAlpha_BlendOptFlag))) {
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if (kZero_GrBlendCoeff == dstCoeff) {
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// write the coverage value to second color
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desc->fDualSrcOutput = kCoverage_DualSrcOutput;
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desc->fFirstCoverageStage = firstCoverageStage;
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} else if (kSA_GrBlendCoeff == dstCoeff) {
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// SA dst coeff becomes 1-(1-SA)*coverage when dst is partially covered.
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desc->fDualSrcOutput = kCoverageISA_DualSrcOutput;
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desc->fFirstCoverageStage = firstCoverageStage;
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} else if (kSC_GrBlendCoeff == dstCoeff) {
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// SA dst coeff becomes 1-(1-SA)*coverage when dst is partially covered.
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desc->fDualSrcOutput = kCoverageISC_DualSrcOutput;
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desc->fFirstCoverageStage = firstCoverageStage;
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}
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}
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}
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desc->fPositionAttributeIndex = drawState.getAttribIndex(GrDrawState::kPosition_AttribIndex);
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if (requiresAttributeColors) {
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desc->fColorAttributeIndex = drawState.getAttribIndex(GrDrawState::kColor_AttribIndex);
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} else {
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desc->fColorAttributeIndex = GrDrawState::kColorOverrideAttribIndexValue;
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}
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if (requiresAttributeCoverage) {
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desc->fCoverageAttributeIndex = drawState.getAttribIndex(GrDrawState::kCoverage_AttribIndex);
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} else {
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desc->fCoverageAttributeIndex = GrDrawState::kCoverageOverrideAttribIndexValue;
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}
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if (desc->fAttribBindings & GrDrawState::kLocalCoords_AttribBindingsBit) {
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desc->fLocalCoordsAttributeIndex = drawState.getAttribIndex(GrDrawState::kLocalCoords_AttribIndex);
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}
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#if GR_DEBUG
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// Verify valid vertex attribute state. These assertions should probably be done somewhere
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// higher up the callstack
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const GrVertexAttrib* vertexAttribs = drawState.getVertexAttribs();
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GrAssert(desc->fPositionAttributeIndex < GrDrawState::kVertexAttribCnt);
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GrAssert(GrGLAttribTypeToLayout(vertexAttribs[desc->fPositionAttributeIndex].fType).fCount == 2);
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if (requiresAttributeColors) {
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GrAssert(desc->fColorAttributeIndex < GrDrawState::kVertexAttribCnt);
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GrAssert(GrGLAttribTypeToLayout(vertexAttribs[desc->fColorAttributeIndex].fType).fCount == 4);
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}
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if (requiresAttributeCoverage) {
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GrAssert(desc->fCoverageAttributeIndex < GrDrawState::kVertexAttribCnt);
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GrAssert(GrGLAttribTypeToLayout(vertexAttribs[desc->fCoverageAttributeIndex].fType).fCount == 4);
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}
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if (desc->fAttribBindings & GrDrawState::kLocalCoords_AttribBindingsBit) {
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GrAssert(desc->fLocalCoordsAttributeIndex < GrDrawState::kVertexAttribCnt);
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GrAssert(GrGLAttribTypeToLayout(vertexAttribs[desc->fLocalCoordsAttributeIndex].fType).fCount == 2);
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}
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#endif
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}
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GrGLProgram* GrGLProgram::Create(const GrGLContext& gl,
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GrGLProgram* GrGLProgram::Create(const GrGLContext& gl,
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const GrGLProgramDesc& desc,
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const GrGLProgramDesc& desc,
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const GrEffectStage* stages[]) {
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const GrEffectStage* stages[]) {
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@ -22,7 +22,6 @@
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class GrBinHashKeyBuilder;
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class GrBinHashKeyBuilder;
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class GrGLEffect;
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class GrGLEffect;
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class GrGLShaderBuilder;
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class GrGLShaderBuilder;
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class SkMWCRandom;
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/**
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/**
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* This class manages a GPU program and records per-program information.
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* This class manages a GPU program and records per-program information.
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197
src/gpu/gl/GrGLProgramDesc.cpp
Normal file
197
src/gpu/gl/GrGLProgramDesc.cpp
Normal file
@ -0,0 +1,197 @@
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/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "GrGLProgramDesc.h"
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#include "GrBackendEffectFactory.h"
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#include "GrDrawEffect.h"
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#include "GrEffect.h"
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#include "GrGpuGL.h"
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void GrGLProgramDesc::Build(const GrDrawState& drawState,
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bool isPoints,
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GrDrawState::BlendOptFlags blendOpts,
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GrBlendCoeff srcCoeff,
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GrBlendCoeff dstCoeff,
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const GrGpuGL* gpu,
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GrGLProgramDesc* desc) {
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// This should already have been caught
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GrAssert(!(GrDrawState::kSkipDraw_BlendOptFlag & blendOpts));
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bool skipCoverage = SkToBool(blendOpts & GrDrawState::kEmitTransBlack_BlendOptFlag);
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bool skipColor = SkToBool(blendOpts & (GrDrawState::kEmitTransBlack_BlendOptFlag |
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GrDrawState::kEmitCoverage_BlendOptFlag));
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// The descriptor is used as a cache key. Thus when a field of the
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// descriptor will not affect program generation (because of the attribute
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// bindings in use or other descriptor field settings) it should be set
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// to a canonical value to avoid duplicate programs with different keys.
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// Must initialize all fields or cache will have false negatives!
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desc->fAttribBindings = drawState.getAttribBindings();
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desc->fEmitsPointSize = isPoints;
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bool requiresAttributeColors =
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!skipColor && SkToBool(desc->fAttribBindings & GrDrawState::kColor_AttribBindingsBit);
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bool requiresAttributeCoverage =
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!skipCoverage && SkToBool(desc->fAttribBindings & GrDrawState::kCoverage_AttribBindingsBit);
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// fColorInput/fCoverageInput records how colors are specified for the program so we strip the
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// bits from the bindings to avoid false negatives when searching for an existing program in the
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// cache.
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desc->fAttribBindings &=
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~(GrDrawState::kColor_AttribBindingsBit | GrDrawState::kCoverage_AttribBindingsBit);
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desc->fColorFilterXfermode = skipColor ? SkXfermode::kDst_Mode : drawState.getColorFilterMode();
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// no reason to do edge aa or look at per-vertex coverage if coverage is ignored
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if (skipCoverage) {
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desc->fAttribBindings &= ~(GrDrawState::kCoverage_AttribBindingsBit);
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}
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bool colorIsTransBlack = SkToBool(blendOpts & GrDrawState::kEmitTransBlack_BlendOptFlag);
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bool colorIsSolidWhite = (blendOpts & GrDrawState::kEmitCoverage_BlendOptFlag) ||
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(!requiresAttributeColors && 0xffffffff == drawState.getColor());
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if (colorIsTransBlack) {
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desc->fColorInput = kTransBlack_ColorInput;
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} else if (colorIsSolidWhite) {
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desc->fColorInput = kSolidWhite_ColorInput;
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} else if (GR_GL_NO_CONSTANT_ATTRIBUTES && !requiresAttributeColors) {
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desc->fColorInput = kUniform_ColorInput;
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} else {
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desc->fColorInput = kAttribute_ColorInput;
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}
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bool covIsSolidWhite = !requiresAttributeCoverage && 0xffffffff == drawState.getCoverage();
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if (skipCoverage) {
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desc->fCoverageInput = kTransBlack_ColorInput;
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} else if (covIsSolidWhite) {
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desc->fCoverageInput = kSolidWhite_ColorInput;
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} else if (GR_GL_NO_CONSTANT_ATTRIBUTES && !requiresAttributeCoverage) {
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desc->fCoverageInput = kUniform_ColorInput;
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} else {
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desc->fCoverageInput = kAttribute_ColorInput;
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}
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int lastEnabledStage = -1;
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for (int s = 0; s < GrDrawState::kNumStages; ++s) {
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bool skip = s < drawState.getFirstCoverageStage() ? skipColor : skipCoverage;
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if (!skip && drawState.isStageEnabled(s)) {
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lastEnabledStage = s;
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const GrEffectRef& effect = *drawState.getStage(s).getEffect();
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const GrBackendEffectFactory& factory = effect->getFactory();
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bool explicitLocalCoords = (drawState.getAttribBindings() &
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GrDrawState::kLocalCoords_AttribBindingsBit);
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GrDrawEffect drawEffect(drawState.getStage(s), explicitLocalCoords);
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desc->fEffectKeys[s] = factory.glEffectKey(drawEffect, gpu->glCaps());
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} else {
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desc->fEffectKeys[s] = 0;
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}
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}
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desc->fDualSrcOutput = kNone_DualSrcOutput;
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||||||
|
// Currently the experimental GS will only work with triangle prims (and it doesn't do anything
|
||||||
|
// other than pass through values from the VS to the FS anyway).
|
||||||
|
#if GR_GL_EXPERIMENTAL_GS
|
||||||
|
#if 0
|
||||||
|
desc->fExperimentalGS = gpu->caps().geometryShaderSupport();
|
||||||
|
#else
|
||||||
|
desc->fExperimentalGS = false;
|
||||||
|
#endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// We leave this set to kNumStages until we discover that the coverage/color distinction is
|
||||||
|
// material to the generated program. We do this to avoid distinct keys that generate equivalent
|
||||||
|
// programs.
|
||||||
|
desc->fFirstCoverageStage = GrDrawState::kNumStages;
|
||||||
|
// This tracks the actual first coverage stage.
|
||||||
|
int firstCoverageStage = GrDrawState::kNumStages;
|
||||||
|
desc->fDiscardIfZeroCoverage = false; // Enabled below if stenciling and there is coverage.
|
||||||
|
bool hasCoverage = false;
|
||||||
|
// If we're rendering coverage-as-color then it's as though there are no coverage stages.
|
||||||
|
if (!drawState.isCoverageDrawing()) {
|
||||||
|
// We can have coverage either through a stage or coverage vertex attributes.
|
||||||
|
if (drawState.getFirstCoverageStage() <= lastEnabledStage) {
|
||||||
|
firstCoverageStage = drawState.getFirstCoverageStage();
|
||||||
|
hasCoverage = true;
|
||||||
|
} else {
|
||||||
|
hasCoverage = requiresAttributeCoverage;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (hasCoverage) {
|
||||||
|
// color filter is applied between color/coverage computation
|
||||||
|
if (SkXfermode::kDst_Mode != desc->fColorFilterXfermode) {
|
||||||
|
desc->fFirstCoverageStage = firstCoverageStage;
|
||||||
|
}
|
||||||
|
|
||||||
|
// If we're stenciling then we want to discard samples that have zero coverage
|
||||||
|
if (drawState.getStencil().doesWrite()) {
|
||||||
|
desc->fDiscardIfZeroCoverage = true;
|
||||||
|
desc->fFirstCoverageStage = firstCoverageStage;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (gpu->caps()->dualSourceBlendingSupport() &&
|
||||||
|
!(blendOpts & (GrDrawState::kEmitCoverage_BlendOptFlag |
|
||||||
|
GrDrawState::kCoverageAsAlpha_BlendOptFlag))) {
|
||||||
|
if (kZero_GrBlendCoeff == dstCoeff) {
|
||||||
|
// write the coverage value to second color
|
||||||
|
desc->fDualSrcOutput = kCoverage_DualSrcOutput;
|
||||||
|
desc->fFirstCoverageStage = firstCoverageStage;
|
||||||
|
} else if (kSA_GrBlendCoeff == dstCoeff) {
|
||||||
|
// SA dst coeff becomes 1-(1-SA)*coverage when dst is partially covered.
|
||||||
|
desc->fDualSrcOutput = kCoverageISA_DualSrcOutput;
|
||||||
|
desc->fFirstCoverageStage = firstCoverageStage;
|
||||||
|
} else if (kSC_GrBlendCoeff == dstCoeff) {
|
||||||
|
// SA dst coeff becomes 1-(1-SA)*coverage when dst is partially covered.
|
||||||
|
desc->fDualSrcOutput = kCoverageISC_DualSrcOutput;
|
||||||
|
desc->fFirstCoverageStage = firstCoverageStage;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
desc->fPositionAttributeIndex = drawState.getAttribIndex(GrDrawState::kPosition_AttribIndex);
|
||||||
|
if (requiresAttributeColors) {
|
||||||
|
desc->fColorAttributeIndex = drawState.getAttribIndex(GrDrawState::kColor_AttribIndex);
|
||||||
|
} else {
|
||||||
|
desc->fColorAttributeIndex = GrDrawState::kColorOverrideAttribIndexValue;
|
||||||
|
}
|
||||||
|
if (requiresAttributeCoverage) {
|
||||||
|
desc->fCoverageAttributeIndex = drawState.getAttribIndex(GrDrawState::kCoverage_AttribIndex);
|
||||||
|
} else {
|
||||||
|
desc->fCoverageAttributeIndex = GrDrawState::kCoverageOverrideAttribIndexValue;
|
||||||
|
}
|
||||||
|
if (desc->fAttribBindings & GrDrawState::kLocalCoords_AttribBindingsBit) {
|
||||||
|
desc->fLocalCoordsAttributeIndex = drawState.getAttribIndex(GrDrawState::kLocalCoords_AttribIndex);
|
||||||
|
}
|
||||||
|
|
||||||
|
#if GR_DEBUG
|
||||||
|
// Verify valid vertex attribute state. These assertions should probably be done somewhere
|
||||||
|
// higher up the callstack
|
||||||
|
const GrVertexAttrib* vertexAttribs = drawState.getVertexAttribs();
|
||||||
|
GrAssert(desc->fPositionAttributeIndex < GrDrawState::kVertexAttribCnt);
|
||||||
|
GrAssert(GrGLAttribTypeToLayout(vertexAttribs[desc->fPositionAttributeIndex].fType).fCount == 2);
|
||||||
|
if (requiresAttributeColors) {
|
||||||
|
GrAssert(desc->fColorAttributeIndex < GrDrawState::kVertexAttribCnt);
|
||||||
|
GrAssert(GrGLAttribTypeToLayout(vertexAttribs[desc->fColorAttributeIndex].fType).fCount == 4);
|
||||||
|
}
|
||||||
|
if (requiresAttributeCoverage) {
|
||||||
|
GrAssert(desc->fCoverageAttributeIndex < GrDrawState::kVertexAttribCnt);
|
||||||
|
GrAssert(GrGLAttribTypeToLayout(vertexAttribs[desc->fCoverageAttributeIndex].fType).fCount == 4);
|
||||||
|
}
|
||||||
|
if (desc->fAttribBindings & GrDrawState::kLocalCoords_AttribBindingsBit) {
|
||||||
|
GrAssert(desc->fLocalCoordsAttributeIndex < GrDrawState::kVertexAttribCnt);
|
||||||
|
GrAssert(GrGLAttribTypeToLayout(vertexAttribs[desc->fLocalCoordsAttributeIndex].fType).fCount == 2);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
}
|
||||||
@ -9,6 +9,7 @@
|
|||||||
#define GrGLProgramDesc_DEFINED
|
#define GrGLProgramDesc_DEFINED
|
||||||
|
|
||||||
#include "GrGLEffect.h"
|
#include "GrGLEffect.h"
|
||||||
|
#include "GrDrawState.h"
|
||||||
|
|
||||||
class GrGpuGL;
|
class GrGpuGL;
|
||||||
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user