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Unified Diff: src/gpu/GrDrawState.cpp

Issue 448453002: Create struct in GrDrawState to hold key DrawState data. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Change name and add comment to struct Created 6 years, 4 months ago
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Index: src/gpu/GrDrawState.cpp
diff --git a/src/gpu/GrDrawState.cpp b/src/gpu/GrDrawState.cpp
index 3189a0a079353a7be315dde3994394c166247db2..a0dc426d7056c4e41dfd2c85bb1e865e8c6c4333 100644
--- a/src/gpu/GrDrawState.cpp
+++ b/src/gpu/GrDrawState.cpp
@@ -10,6 +10,29 @@
//////////////////////////////////////////////////////////////////////////////s
+bool GrDrawState::State::HaveCompatibleState(const State& a, const State& b,
+ bool explicitLocalCoords) {
+ if (a.fColorStages.count() != b.fColorStages.count() ||
+ a.fCoverageStages.count() != b.fCoverageStages.count() ||
+ a.fSrcBlend != b.fSrcBlend ||
+ a.fDstBlend != b.fDstBlend) {
+ return false;
+ }
+ for (int i = 0; i < a.fColorStages.count(); i++) {
+ if (!GrEffectStage::AreCompatible(a.fColorStages[i], b.fColorStages[i],
+ explicitLocalCoords)) {
+ return false;
+ }
+ }
+ for (int i = 0; i < a.fCoverageStages.count(); i++) {
+ if (!GrEffectStage::AreCompatible(a.fCoverageStages[i], b.fCoverageStages[i],
+ explicitLocalCoords)) {
+ return false;
+ }
+ }
+ return true;
+}
+//////////////////////////////////////////////////////////////////////////////s
GrDrawState::CombinedState GrDrawState::CombineIfPossible(
const GrDrawState& a, const GrDrawState& b) {
@@ -19,11 +42,7 @@ GrDrawState::CombinedState GrDrawState::CombineIfPossible(
}
if (a.fRenderTarget.get() != b.fRenderTarget.get() ||
- a.fColorStages.count() != b.fColorStages.count() ||
- a.fCoverageStages.count() != b.fCoverageStages.count() ||
!a.fViewMatrix.cheapEqualTo(b.fViewMatrix) ||
- a.fSrcBlend != b.fSrcBlend ||
- a.fDstBlend != b.fDstBlend ||
a.fBlendConstant != b.fBlendConstant ||
a.fFlagBits != b.fFlagBits ||
a.fVACount != b.fVACount ||
@@ -39,21 +58,13 @@ GrDrawState::CombinedState GrDrawState::CombineIfPossible(
}
bool explicitLocalCoords = a.hasLocalCoordAttribute();
- for (int i = 0; i < a.fColorStages.count(); i++) {
- if (!GrEffectStage::AreCompatible(a.fColorStages[i], b.fColorStages[i],
- explicitLocalCoords)) {
- return kIncompatible_CombinedState;
- }
- }
- for (int i = 0; i < a.fCoverageStages.count(); i++) {
- if (!GrEffectStage::AreCompatible(a.fCoverageStages[i], b.fCoverageStages[i],
- explicitLocalCoords)) {
- return kIncompatible_CombinedState;
- }
- }
+
SkASSERT(0 == memcmp(a.fFixedFunctionVertexAttribIndices,
b.fFixedFunctionVertexAttribIndices,
sizeof(a.fFixedFunctionVertexAttribIndices)));
+ if (!State::HaveCompatibleState(a.fState, b.fState, explicitLocalCoords)) {
+ return kIncompatible_CombinedState;
+ }
return kAOrB_CombinedState;
}
@@ -64,11 +75,11 @@ GrDrawState::GrDrawState(const GrDrawState& state, const SkMatrix& preConcatMatr
SkDEBUGCODE(fBlockEffectRemovalCnt = 0;)
*this = state;
if (!preConcatMatrix.isIdentity()) {
- for (int i = 0; i < fColorStages.count(); ++i) {
- fColorStages[i].localCoordChange(preConcatMatrix);
+ for (int i = 0; i < this->numColorStages(); ++i) {
+ fState.fColorStages[i].localCoordChange(preConcatMatrix);
}
- for (int i = 0; i < fCoverageStages.count(); ++i) {
- fCoverageStages[i].localCoordChange(preConcatMatrix);
+ for (int i = 0; i < this->numCoverageStages(); ++i) {
+ fState.fCoverageStages[i].localCoordChange(preConcatMatrix);
}
this->invalidateBlendOptFlags();
}
@@ -79,8 +90,6 @@ GrDrawState& GrDrawState::operator=(const GrDrawState& that) {
this->setRenderTarget(that.fRenderTarget.get());
fColor = that.fColor;
fViewMatrix = that.fViewMatrix;
- fSrcBlend = that.fSrcBlend;
- fDstBlend = that.fDstBlend;
fBlendConstant = that.fBlendConstant;
fFlagBits = that.fFlagBits;
fVACount = that.fVACount;
@@ -88,12 +97,12 @@ GrDrawState& GrDrawState::operator=(const GrDrawState& that) {
fStencilSettings = that.fStencilSettings;
fCoverage = that.fCoverage;
fDrawFace = that.fDrawFace;
- fColorStages = that.fColorStages;
- fCoverageStages = that.fCoverageStages;
fOptSrcBlend = that.fOptSrcBlend;
fOptDstBlend = that.fOptDstBlend;
fBlendOptFlags = that.fBlendOptFlags;
+ fState = that.fState;
+
memcpy(fFixedFunctionVertexAttribIndices,
that.fFixedFunctionVertexAttribIndices,
sizeof(fFixedFunctionVertexAttribIndices));
@@ -102,8 +111,7 @@ GrDrawState& GrDrawState::operator=(const GrDrawState& that) {
void GrDrawState::onReset(const SkMatrix* initialViewMatrix) {
SkASSERT(0 == fBlockEffectRemovalCnt || 0 == this->numTotalStages());
- fColorStages.reset();
- fCoverageStages.reset();
+ fState.reset();
fRenderTarget.reset(NULL);
@@ -115,8 +123,6 @@ void GrDrawState::onReset(const SkMatrix* initialViewMatrix) {
} else {
fViewMatrix = *initialViewMatrix;
}
- fSrcBlend = kOne_GrBlendCoeff;
- fDstBlend = kZero_GrBlendCoeff;
fBlendConstant = 0x0;
fFlagBits = 0x0;
fStencilSettings.setDisabled();
@@ -127,17 +133,17 @@ void GrDrawState::onReset(const SkMatrix* initialViewMatrix) {
}
bool GrDrawState::setIdentityViewMatrix() {
- if (fColorStages.count() || fCoverageStages.count()) {
+ if (this->numTotalStages()) {
SkMatrix invVM;
if (!fViewMatrix.invert(&invVM)) {
// sad trombone sound
return false;
}
- for (int s = 0; s < fColorStages.count(); ++s) {
- fColorStages[s].localCoordChange(invVM);
+ for (int s = 0; s < this->numColorStages(); ++s) {
+ fState.fColorStages[s].localCoordChange(invVM);
}
- for (int s = 0; s < fCoverageStages.count(); ++s) {
- fCoverageStages[s].localCoordChange(invVM);
+ for (int s = 0; s < this->numCoverageStages(); ++s) {
+ fState.fCoverageStages[s].localCoordChange(invVM);
}
}
fViewMatrix.reset();
@@ -147,15 +153,14 @@ bool GrDrawState::setIdentityViewMatrix() {
void GrDrawState::setFromPaint(const GrPaint& paint, const SkMatrix& vm, GrRenderTarget* rt) {
SkASSERT(0 == fBlockEffectRemovalCnt || 0 == this->numTotalStages());
- fColorStages.reset();
- fCoverageStages.reset();
+ fState.reset();
for (int i = 0; i < paint.numColorStages(); ++i) {
- fColorStages.push_back(paint.getColorStage(i));
+ fState.fColorStages.push_back(paint.getColorStage(i));
}
for (int i = 0; i < paint.numCoverageStages(); ++i) {
- fCoverageStages.push_back(paint.getCoverageStage(i));
+ fState.fCoverageStages.push_back(paint.getCoverageStage(i));
}
this->setRenderTarget(rt);
@@ -268,10 +273,11 @@ bool GrDrawState::validateVertexAttribs() const {
for (int i = 0; i < kMaxVertexAttribCnt; ++i) {
slTypes[i] = static_cast<GrSLType>(-1);
}
- int totalStages = fColorStages.count() + fCoverageStages.count();
+ int totalStages = this->numTotalStages();
for (int s = 0; s < totalStages; ++s) {
- int covIdx = s - fColorStages.count();
- const GrEffectStage& stage = covIdx < 0 ? fColorStages[s] : fCoverageStages[covIdx];
+ int covIdx = s - this->numColorStages();
+ const GrEffectStage& stage = covIdx < 0 ? this->getColorStage(s) :
+ this->getCoverageStage(covIdx);
const GrEffect* effect = stage.getEffect();
SkASSERT(NULL != effect);
// make sure that any attribute indices have the correct binding type, that the attrib
@@ -304,14 +310,14 @@ bool GrDrawState::validateVertexAttribs() const {
bool GrDrawState::willEffectReadDstColor() const {
if (!this->isColorWriteDisabled()) {
- for (int s = 0; s < fColorStages.count(); ++s) {
- if (fColorStages[s].getEffect()->willReadDstColor()) {
+ for (int s = 0; s < this->numColorStages(); ++s) {
+ if (this->getColorStage(s).getEffect()->willReadDstColor()) {
return true;
}
}
}
- for (int s = 0; s < fCoverageStages.count(); ++s) {
- if (fCoverageStages[s].getEffect()->willReadDstColor()) {
+ for (int s = 0; s < this->numCoverageStages(); ++s) {
+ if (this->getCoverageStage(s).getEffect()->willReadDstColor()) {
return true;
}
}
@@ -333,8 +339,8 @@ bool GrDrawState::srcAlphaWillBeOne() const {
}
// Run through the color stages
- for (int s = 0; s < fColorStages.count(); ++s) {
- const GrEffect* effect = fColorStages[s].getEffect();
+ for (int s = 0; s < this->numColorStages(); ++s) {
+ const GrEffect* effect = this->getColorStage(s).getEffect();
effect->getConstantColorComponents(&color, &validComponentFlags);
}
@@ -350,8 +356,8 @@ bool GrDrawState::srcAlphaWillBeOne() const {
color |= (SkMulDiv255Round(a, b) << (c * 8));
}
}
- for (int s = 0; s < fCoverageStages.count(); ++s) {
- const GrEffect* effect = fCoverageStages[s].getEffect();
+ for (int s = 0; s < this->numCoverageStages(); ++s) {
+ const GrEffect* effect = this->getCoverageStage(s).getEffect();
effect->getConstantColorComponents(&color, &validComponentFlags);
}
}
@@ -375,8 +381,8 @@ bool GrDrawState::hasSolidCoverage() const {
}
// Run through the coverage stages and see if the coverage will be all ones at the end.
- for (int s = 0; s < fCoverageStages.count(); ++s) {
- const GrEffect* effect = fCoverageStages[s].getEffect();
+ for (int s = 0; s < this->numCoverageStages(); ++s) {
+ const GrEffect* effect = this->getCoverageStage(s).getEffect();
effect->getConstantColorComponents(&coverage, &validComponentFlags);
}
return (kRGBA_GrColorComponentFlags == validComponentFlags) && (0xffffffff == coverage);
@@ -398,9 +404,9 @@ bool GrDrawState::canTweakAlphaForCoverage() const {
Also, if we're directly rendering coverage (isCoverageDrawing) then coverage is treated as
color by definition.
*/
- return kOne_GrBlendCoeff == fDstBlend ||
- kISA_GrBlendCoeff == fDstBlend ||
- kISC_GrBlendCoeff == fDstBlend ||
+ return kOne_GrBlendCoeff == fState.fDstBlend ||
+ kISA_GrBlendCoeff == fState.fDstBlend ||
+ kISC_GrBlendCoeff == fState.fDstBlend ||
this->isCoverageDrawing();
}
@@ -467,7 +473,7 @@ GrDrawState::BlendOptFlags GrDrawState::calcBlendOpts(bool forceCoverage,
bool hasCoverage = forceCoverage ||
0xffffffff != this->getCoverageColor() ||
this->hasCoverageVertexAttribute() ||
- fCoverageStages.count() > 0;
+ this->numCoverageStages() > 0;
// if we don't have coverage we can check whether the dst
// has to read at all. If not, we'll disable blending.
@@ -544,13 +550,13 @@ GrDrawState::AutoVertexAttribRestore::AutoVertexAttribRestore(
void GrDrawState::AutoRestoreEffects::set(GrDrawState* ds) {
if (NULL != fDrawState) {
- int m = fDrawState->fColorStages.count() - fColorEffectCnt;
+ int m = fDrawState->numColorStages() - fColorEffectCnt;
SkASSERT(m >= 0);
- fDrawState->fColorStages.pop_back_n(m);
+ fDrawState->fState.fColorStages.pop_back_n(m);
- int n = fDrawState->fCoverageStages.count() - fCoverageEffectCnt;
+ int n = fDrawState->numCoverageStages() - fCoverageEffectCnt;
SkASSERT(n >= 0);
- fDrawState->fCoverageStages.pop_back_n(n);
+ fDrawState->fState.fCoverageStages.pop_back_n(n);
if (m + n > 0) {
fDrawState->invalidateBlendOptFlags();
}
@@ -558,8 +564,8 @@ void GrDrawState::AutoRestoreEffects::set(GrDrawState* ds) {
}
fDrawState = ds;
if (NULL != ds) {
- fColorEffectCnt = ds->fColorStages.count();
- fCoverageEffectCnt = ds->fCoverageStages.count();
+ fColorEffectCnt = ds->numColorStages();
+ fCoverageEffectCnt = ds->numCoverageStages();
SkDEBUGCODE(++ds->fBlockEffectRemovalCnt;)
}
}
@@ -576,10 +582,10 @@ void GrDrawState::AutoViewMatrixRestore::restore() {
int i = 0;
for (int s = 0; s < fNumColorStages; ++s, ++i) {
- fDrawState->fColorStages[s].restoreCoordChange(fSavedCoordChanges[i]);
+ fDrawState->fState.fColorStages[s].restoreCoordChange(fSavedCoordChanges[i]);
}
for (int s = 0; s < numCoverageStages; ++s, ++i) {
- fDrawState->fCoverageStages[s].restoreCoordChange(fSavedCoordChanges[i]);
+ fDrawState->fState.fCoverageStages[s].restoreCoordChange(fSavedCoordChanges[i]);
}
fDrawState = NULL;
}
@@ -640,13 +646,13 @@ void GrDrawState::AutoViewMatrixRestore::doEffectCoordChanges(const SkMatrix& co
fNumColorStages = fDrawState->numColorStages();
for (int s = 0; s < fNumColorStages; ++s, ++i) {
- fDrawState->fColorStages[s].saveCoordChange(&fSavedCoordChanges[i]);
- fDrawState->fColorStages[s].localCoordChange(coordChangeMatrix);
+ fDrawState->getColorStage(s).saveCoordChange(&fSavedCoordChanges[i]);
+ fDrawState->fState.fColorStages[s].localCoordChange(coordChangeMatrix);
}
int numCoverageStages = fDrawState->numCoverageStages();
for (int s = 0; s < numCoverageStages; ++s, ++i) {
- fDrawState->fCoverageStages[s].saveCoordChange(&fSavedCoordChanges[i]);
- fDrawState->fCoverageStages[s].localCoordChange(coordChangeMatrix);
+ fDrawState->getCoverageStage(s).saveCoordChange(&fSavedCoordChanges[i]);
+ fDrawState->fState.fCoverageStages[s].localCoordChange(coordChangeMatrix);
}
}
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