Replace fixed-size array of effect stages in GrDrawState with two appendable arrays, one for color, one for coverage.
R=robertphillips@google.com
Review URL: https://codereview.chromium.org/16952006
git-svn-id: http://skia.googlecode.com/svn/trunk@9592 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrAAConvexPathRenderer.cpp b/src/gpu/GrAAConvexPathRenderer.cpp
index 77980e4..5d461ab 100644
--- a/src/gpu/GrAAConvexPathRenderer.cpp
+++ b/src/gpu/GrAAConvexPathRenderer.cpp
@@ -645,7 +645,7 @@
};
static const int kEdgeAttrIndex = 1;
GrEffectRef* quadEffect = QuadEdgeEffect::Create();
- drawState->setEffect(kEdgeEffectStage, quadEffect, kEdgeAttrIndex)->unref();
+ drawState->addCoverageEffect(quadEffect, kEdgeAttrIndex)->unref();
GrDrawTarget::AutoReleaseGeometry arg(target, vCount, iCount);
if (!arg.succeeded()) {
diff --git a/src/gpu/GrAAHairLinePathRenderer.cpp b/src/gpu/GrAAHairLinePathRenderer.cpp
index bed931c..51bff1e 100644
--- a/src/gpu/GrAAHairLinePathRenderer.cpp
+++ b/src/gpu/GrAAHairLinePathRenderer.cpp
@@ -871,24 +871,27 @@
}
#endif
- target->setIndexSourceToBuffer(fLinesIndexBuffer);
- int lines = 0;
- int nBufLines = fLinesIndexBuffer->maxQuads();
- drawState->setEffect(kEdgeEffectStage, hairLineEffect, kEdgeAttrIndex)->unref();
- while (lines < lineCnt) {
- int n = GrMin(lineCnt - lines, nBufLines);
- target->drawIndexed(kTriangles_GrPrimitiveType,
- kVertsPerLineSeg*lines, // startV
- 0, // startI
- kVertsPerLineSeg*n, // vCount
- kIdxsPerLineSeg*n,
- &devBounds); // iCount
- lines += n;
+ {
+ GrDrawState::AutoRestoreEffects are(drawState);
+ target->setIndexSourceToBuffer(fLinesIndexBuffer);
+ int lines = 0;
+ int nBufLines = fLinesIndexBuffer->maxQuads();
+ drawState->addCoverageEffect(hairLineEffect, kEdgeAttrIndex)->unref();
+ while (lines < lineCnt) {
+ int n = GrMin(lineCnt - lines, nBufLines);
+ target->drawIndexed(kTriangles_GrPrimitiveType,
+ kVertsPerLineSeg*lines, // startV
+ 0, // startI
+ kVertsPerLineSeg*n, // vCount
+ kIdxsPerLineSeg*n,
+ &devBounds); // iCount
+ lines += n;
+ }
}
target->setIndexSourceToBuffer(fQuadsIndexBuffer);
int quads = 0;
- drawState->setEffect(kEdgeEffectStage, hairQuadEffect, kEdgeAttrIndex)->unref();
+ drawState->addCoverageEffect(hairQuadEffect, kEdgeAttrIndex)->unref();
while (quads < quadCnt) {
int n = GrMin(quadCnt - quads, kNumQuadsInIdxBuffer);
target->drawIndexed(kTriangles_GrPrimitiveType,
diff --git a/src/gpu/GrAARectRenderer.cpp b/src/gpu/GrAARectRenderer.cpp
index f28d914..7fe0517 100644
--- a/src/gpu/GrAARectRenderer.cpp
+++ b/src/gpu/GrAARectRenderer.cpp
@@ -542,17 +542,10 @@
RectVertex* verts = reinterpret_cast<RectVertex*>(geo.vertices());
- enum {
- // the edge effects share this stage with glyph rendering
- // (kGlyphMaskStage in GrTextContext) && SW path rendering
- // (kPathMaskStage in GrSWMaskHelper)
- kEdgeEffectStage = GrPaint::kTotalStages,
- };
-
GrEffectRef* effect = GrRectEffect::Create();
static const int kRectAttrIndex = 1;
static const int kWidthIndex = 2;
- drawState->setEffect(kEdgeEffectStage, effect, kRectAttrIndex, kWidthIndex)->unref();
+ drawState->addCoverageEffect(effect, kRectAttrIndex, kWidthIndex)->unref();
for (int i = 0; i < 4; ++i) {
verts[i].fCenter = center;
@@ -599,16 +592,9 @@
AARectVertex* verts = reinterpret_cast<AARectVertex*>(geo.vertices());
- enum {
- // the edge effects share this stage with glyph rendering
- // (kGlyphMaskStage in GrTextContext) && SW path rendering
- // (kPathMaskStage in GrSWMaskHelper)
- kEdgeEffectStage = GrPaint::kTotalStages,
- };
-
GrEffectRef* effect = GrAlignedRectEffect::Create();
static const int kOffsetIndex = 1;
- drawState->setEffect(kEdgeEffectStage, effect, kOffsetIndex)->unref();
+ drawState->addCoverageEffect(effect, kOffsetIndex)->unref();
SkRect devRect;
combinedMatrix.mapRect(&devRect, rect);
diff --git a/src/gpu/GrClipMaskManager.cpp b/src/gpu/GrClipMaskManager.cpp
index 1362179..bc20c25 100644
--- a/src/gpu/GrClipMaskManager.cpp
+++ b/src/gpu/GrClipMaskManager.cpp
@@ -37,8 +37,6 @@
GrDrawState* drawState = gpu->drawState();
GrAssert(drawState);
- static const int kMaskStage = GrPaint::kTotalStages+1;
-
SkMatrix mat;
// We want to use device coords to compute the texture coordinates. We set our matrix to be
// equal to the view matrix followed by an offset to the devBound, and then a scaling matrix to
@@ -50,8 +48,8 @@
SkIRect domainTexels = SkIRect::MakeWH(devBound.width(), devBound.height());
// This could be a long-lived effect that is cached with the alpha-mask.
- drawState->setEffect(kMaskStage,
- GrTextureDomainEffect::Create(result,
+ drawState->addCoverageEffect(
+ GrTextureDomainEffect::Create(result,
mat,
GrTextureDomainEffect::MakeTexelDomain(result, domainTexels),
GrTextureDomainEffect::kDecal_WrapMode,
@@ -109,7 +107,8 @@
////////////////////////////////////////////////////////////////////////////////
// sort out what kind of clip mask needs to be created: alpha, stencil,
// scissor, or entirely software
-bool GrClipMaskManager::setupClipping(const GrClipData* clipDataIn) {
+bool GrClipMaskManager::setupClipping(const GrClipData* clipDataIn,
+ GrDrawState::AutoRestoreEffects* are) {
fCurrClipMaskType = kNone_ClipMaskType;
ElementList elements(16);
@@ -178,6 +177,7 @@
// clipSpace bounds. We determine the mask's position WRT to the render target here.
SkIRect rtSpaceMaskBounds = clipSpaceIBounds;
rtSpaceMaskBounds.offset(-clipDataIn->fOrigin);
+ are->set(fGpu->drawState());
setup_drawstate_aaclip(fGpu, result, rtSpaceMaskBounds);
fGpu->disableScissor();
this->setGpuStencil();
@@ -350,6 +350,7 @@
GrDrawState::AutoViewMatrixRestore avmr;
GrDrawState* drawState = fGpu->drawState();
SkAssertResult(avmr.setIdentity(drawState));
+ GrDrawState::AutoRestoreEffects are(drawState);
drawState->setRenderTarget(dstMask->asRenderTarget());
@@ -357,15 +358,13 @@
SkMatrix sampleM;
sampleM.setIDiv(srcMask->width(), srcMask->height());
- drawState->setEffect(0,
+ drawState->addColorEffect(
GrTextureDomainEffect::Create(srcMask,
sampleM,
GrTextureDomainEffect::MakeTexelDomain(srcMask, srcBound),
GrTextureDomainEffect::kDecal_WrapMode,
false))->unref();
fGpu->drawSimpleRect(SkRect::MakeFromIRect(dstBound), NULL);
-
- drawState->disableStage(0);
}
// get a texture to act as a temporary buffer for AA clip boolean operations
diff --git a/src/gpu/GrClipMaskManager.h b/src/gpu/GrClipMaskManager.h
index 6d9d6f6..121737b 100644
--- a/src/gpu/GrClipMaskManager.h
+++ b/src/gpu/GrClipMaskManager.h
@@ -10,6 +10,7 @@
#define GrClipMaskManager_DEFINED
#include "GrContext.h"
+#include "GrDrawState.h"
#include "GrNoncopyable.h"
#include "GrRect.h"
#include "GrReducedClip.h"
@@ -29,7 +30,6 @@
class GrPathRendererChain;
class SkPath;
class GrTexture;
-class GrDrawState;
/**
* The clip mask creator handles the generation of the clip mask. If anti
@@ -51,7 +51,7 @@
* and sets the GrGpu's scissor and stencil state. If the return is false
* then the draw can be skipped.
*/
- bool setupClipping(const GrClipData* clipDataIn);
+ bool setupClipping(const GrClipData* clipDataIn, GrDrawState::AutoRestoreEffects*);
void releaseResources();
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index a28f1bc..c94c1a9 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -66,6 +66,9 @@
#define ASSERT_OWNED_RESOURCE(R) GrAssert(!(R) || (R)->getContext() == this)
+// Glorified typedef to avoid including GrDrawState.h in GrContext.h
+class GrContext::AutoRestoreEffects : public GrDrawState::AutoRestoreEffects {};
+
GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext) {
GrContext* context = SkNEW(GrContext);
if (context->init(backend, backendContext)) {
@@ -259,7 +262,7 @@
direction,
radius,
sigma));
- drawState->setEffect(0, conv);
+ drawState->addColorEffect(conv);
target->drawSimpleRect(rect, NULL);
}
@@ -372,7 +375,7 @@
// texels in the resampled image are copies of texels from
// the original.
GrTextureParams params(SkShader::kClamp_TileMode, needsFiltering);
- drawState->createTextureEffect(0, clampedTexture, SkMatrix::I(), params);
+ drawState->addColorTextureEffect(clampedTexture, SkMatrix::I(), params);
drawState->setVertexAttribs<gVertexAttribs>(SK_ARRAY_COUNT(gVertexAttribs));
@@ -602,7 +605,8 @@
void GrContext::clear(const GrIRect* rect,
const GrColor color,
GrRenderTarget* target) {
- this->prepareToDraw(NULL, BUFFERED_DRAW)->clear(rect, color, target);
+ AutoRestoreEffects are;
+ this->prepareToDraw(NULL, BUFFERED_DRAW, &are)->clear(rect, color, target);
}
void GrContext::drawPaint(const GrPaint& origPaint) {
@@ -765,8 +769,8 @@
const SkMatrix* matrix) {
SK_TRACE_EVENT0("GrContext::drawRect");
- GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW);
- GrDrawState::AutoStageDisable atr(fDrawState);
+ AutoRestoreEffects are;
+ GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are);
GrRect devRect;
SkMatrix combinedMatrix;
@@ -846,8 +850,8 @@
const SkMatrix* dstMatrix,
const SkMatrix* localMatrix) {
SK_TRACE_EVENT0("GrContext::drawRectToRect");
- GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW);
- GrDrawState::AutoStageDisable atr(fDrawState);
+ AutoRestoreEffects are;
+ GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are);
target->drawRect(dstRect, dstMatrix, &localRect, localMatrix);
}
@@ -902,8 +906,8 @@
GrDrawTarget::AutoReleaseGeometry geo;
- GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW);
- GrDrawState::AutoStageDisable atr(fDrawState);
+ AutoRestoreEffects are;
+ GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are);
GrDrawState* drawState = target->drawState();
@@ -951,8 +955,8 @@
const SkRRect& rect,
const SkStrokeRec& stroke) {
- GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW);
- GrDrawState::AutoStageDisable atr(fDrawState);
+ AutoRestoreEffects are;
+ GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are);
bool useAA = paint.isAntiAlias() &&
!target->getDrawState().getRenderTarget()->isMultisampled() &&
@@ -971,8 +975,8 @@
const GrRect& oval,
const SkStrokeRec& stroke) {
- GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW);
- GrDrawState::AutoStageDisable atr(fDrawState);
+ AutoRestoreEffects are;
+ GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are);
bool useAA = paint.isAntiAlias() &&
!target->getDrawState().getRenderTarget()->isMultisampled() &&
@@ -1045,8 +1049,8 @@
// cache. This presents a potential hazard for buffered drawing. However,
// the writePixels that uploads to the scratch will perform a flush so we're
// OK.
- GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW);
- GrDrawState::AutoStageDisable atr(fDrawState);
+ AutoRestoreEffects are;
+ GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are);
bool useAA = paint.isAntiAlias() && !target->getDrawState().getRenderTarget()->isMultisampled();
if (useAA && stroke.getWidth() < 0 && !path.isConvex()) {
@@ -1346,7 +1350,7 @@
GrDrawTarget::AutoGeometryAndStatePush agasp(fGpu, GrDrawTarget::kReset_ASRInit);
GrDrawState* drawState = fGpu->drawState();
GrAssert(effect);
- drawState->setEffect(0, effect);
+ drawState->addColorEffect(effect);
drawState->setRenderTarget(texture->asRenderTarget());
GrRect rect = GrRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height));
@@ -1421,7 +1425,7 @@
return;
}
sampleM.preTranslate(SkIntToScalar(srcRect.fLeft), SkIntToScalar(srcRect.fTop));
- drawState->createTextureEffect(0, src, sampleM);
+ drawState->addColorTextureEffect(src, sampleM);
SkRect dstR = SkRect::MakeWH(SkIntToScalar(srcRect.width()), SkIntToScalar(srcRect.height()));
fGpu->drawSimpleRect(dstR, NULL);
}
@@ -1539,7 +1543,7 @@
GrDrawTarget::AutoGeometryAndStatePush agasp(fGpu, GrDrawTarget::kReset_ASRInit, &matrix);
GrDrawState* drawState = fGpu->drawState();
GrAssert(effect);
- drawState->setEffect(0, effect);
+ drawState->addColorEffect(effect);
drawState->setRenderTarget(target);
@@ -1548,14 +1552,21 @@
}
////////////////////////////////////////////////////////////////////////////////
-GrDrawTarget* GrContext::prepareToDraw(const GrPaint* paint, BufferedDraw buffered) {
+GrDrawTarget* GrContext::prepareToDraw(const GrPaint* paint,
+ BufferedDraw buffered,
+ AutoRestoreEffects* are) {
+ // All users of this draw state should be freeing up all effects when they're done.
+ // Otherwise effects that own resources may keep those resources alive indefinitely.
+ GrAssert(0 == fDrawState->numColorStages() && 0 == fDrawState->numCoverageStages());
+
if (kNo_BufferedDraw == buffered && kYes_BufferedDraw == fLastDrawWasBuffered) {
this->flushDrawBuffer();
fLastDrawWasBuffered = kNo_BufferedDraw;
}
ASSERT_OWNED_RESOURCE(fRenderTarget.get());
if (NULL != paint) {
- GrAssert(fDrawState->stagesDisabled());
+ GrAssert(NULL != are);
+ are->set(fDrawState);
fDrawState->setFromPaint(*paint, fViewMatrix, fRenderTarget.get());
#if GR_DEBUG_PARTIAL_COVERAGE_CHECK
if ((paint->hasMask() || 0xff != paint->fCoverage) &&
@@ -1655,7 +1666,7 @@
}
GrDrawTarget* GrContext::getTextTarget() {
- return this->prepareToDraw(NULL, BUFFERED_DRAW);
+ return this->prepareToDraw(NULL, BUFFERED_DRAW, NULL);
}
const GrIndexBuffer* GrContext::getQuadIndexBuffer() const {
@@ -1779,7 +1790,8 @@
}
this->setRenderTarget(dstTexture->asRenderTarget());
- GrDrawTarget* target = this->prepareToDraw(NULL, BUFFERED_DRAW);
+ AutoRestoreEffects are;
+ GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are);
convolve_gaussian(target, srcTexture, srcRect, sigmaX, radiusX,
Gr1DKernelEffect::kX_Direction);
srcTexture = dstTexture;
@@ -1796,7 +1808,8 @@
}
this->setRenderTarget(dstTexture->asRenderTarget());
- GrDrawTarget* target = this->prepareToDraw(NULL, BUFFERED_DRAW);
+ AutoRestoreEffects are;
+ GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are);
convolve_gaussian(target, srcTexture, srcRect, sigmaY, radiusY,
Gr1DKernelEffect::kY_Direction);
srcTexture = dstTexture;
diff --git a/src/gpu/GrDrawState.cpp b/src/gpu/GrDrawState.cpp
index 2a81e26..7c68543 100644
--- a/src/gpu/GrDrawState.cpp
+++ b/src/gpu/GrDrawState.cpp
@@ -9,18 +9,17 @@
#include "GrPaint.h"
bool GrDrawState::setIdentityViewMatrix() {
- SkMatrix invVM;
- bool inverted = false;
- for (int s = 0; s < GrDrawState::kNumStages; ++s) {
- if (this->isStageEnabled(s)) {
- if (!inverted) {
- if (!fCommon.fViewMatrix.invert(&invVM)) {
- // sad trombone sound
- return false;
- }
- inverted = true;
- }
- fStages[s].localCoordChange(invVM);
+ if (fColorStages.count() || fCoverageStages.count()) {
+ SkMatrix invVM;
+ if (!fCommon.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 < fCoverageStages.count(); ++s) {
+ fCoverageStages[s].localCoordChange(invVM);
}
}
fCommon.fViewMatrix.reset();
@@ -28,31 +27,23 @@
}
void GrDrawState::setFromPaint(const GrPaint& paint, const SkMatrix& vm, GrRenderTarget* rt) {
+ GrAssert(0 == fBlockEffectRemovalCnt || 0 == this->numTotalStages());
+
+ fColorStages.reset();
+ fCoverageStages.reset();
+
for (int i = 0; i < GrPaint::kMaxColorStages; ++i) {
- int s = i + GrPaint::kFirstColorStage;
if (paint.isColorStageEnabled(i)) {
- fStages[s] = paint.getColorStage(i);
- } else {
- fStages[s].setEffect(NULL);
+ fColorStages.push_back(paint.getColorStage(i));
}
}
- this->setFirstCoverageStage(GrPaint::kFirstCoverageStage);
-
for (int i = 0; i < GrPaint::kMaxCoverageStages; ++i) {
- int s = i + GrPaint::kFirstCoverageStage;
if (paint.isCoverageStageEnabled(i)) {
- fStages[s] = paint.getCoverageStage(i);
- } else {
- fStages[s].setEffect(NULL);
+ fCoverageStages.push_back(paint.getCoverageStage(i));
}
}
- // disable all stages not accessible via the paint
- for (int s = GrPaint::kTotalStages; s < GrDrawState::kNumStages; ++s) {
- this->disableStage(s);
- }
-
this->setRenderTarget(rt);
fCommon.fViewMatrix = vm;
@@ -162,33 +153,34 @@
for (int i = 0; i < kMaxVertexAttribCnt; ++i) {
slTypes[i] = static_cast<GrSLType>(-1);
}
- for (int s = 0; s < kNumStages; ++s) {
- if (this->isStageEnabled(s)) {
- const GrEffectStage& stage = fStages[s];
- const GrEffectRef* effect = stage.getEffect();
- // make sure that any attribute indices have the correct binding type, that the attrib
- // type and effect's shader lang type are compatible, and that attributes shared by
- // multiple effects use the same shader lang type.
- const int* attributeIndices = stage.getVertexAttribIndices();
- int numAttributes = stage.getVertexAttribIndexCount();
- for (int i = 0; i < numAttributes; ++i) {
- int attribIndex = attributeIndices[i];
- if (attribIndex >= fCommon.fVACount ||
- kEffect_GrVertexAttribBinding != fCommon.fVAPtr[attribIndex].fBinding) {
- return false;
- }
-
- GrSLType effectSLType = (*effect)->vertexAttribType(i);
- GrVertexAttribType attribType = fCommon.fVAPtr[attribIndex].fType;
- int slVecCount = GrSLTypeVectorCount(effectSLType);
- int attribVecCount = GrVertexAttribTypeVectorCount(attribType);
- if (slVecCount != attribVecCount ||
- (static_cast<GrSLType>(-1) != slTypes[attribIndex] &&
- slTypes[attribIndex] != effectSLType)) {
- return false;
- }
- slTypes[attribIndex] = effectSLType;
+ int totalStages = fColorStages.count() + fCoverageStages.count();
+ for (int s = 0; s < totalStages; ++s) {
+ int covIdx = s - fColorStages.count();
+ const GrEffectStage& stage = covIdx < 0 ? fColorStages[s] : fCoverageStages[covIdx];
+ const GrEffectRef* effect = stage.getEffect();
+ GrAssert(NULL != effect);
+ // make sure that any attribute indices have the correct binding type, that the attrib
+ // type and effect's shader lang type are compatible, and that attributes shared by
+ // multiple effects use the same shader lang type.
+ const int* attributeIndices = stage.getVertexAttribIndices();
+ int numAttributes = stage.getVertexAttribIndexCount();
+ for (int i = 0; i < numAttributes; ++i) {
+ int attribIndex = attributeIndices[i];
+ if (attribIndex >= fCommon.fVACount ||
+ kEffect_GrVertexAttribBinding != fCommon.fVAPtr[attribIndex].fBinding) {
+ return false;
}
+
+ GrSLType effectSLType = (*effect)->vertexAttribType(i);
+ GrVertexAttribType attribType = fCommon.fVAPtr[attribIndex].fType;
+ int slVecCount = GrSLTypeVectorCount(effectSLType);
+ int attribVecCount = GrVertexAttribTypeVectorCount(attribType);
+ if (slVecCount != attribVecCount ||
+ (static_cast<GrSLType>(-1) != slTypes[attribIndex] &&
+ slTypes[attribIndex] != effectSLType)) {
+ return false;
+ }
+ slTypes[attribIndex] = effectSLType;
}
}
@@ -196,9 +188,15 @@
}
bool GrDrawState::willEffectReadDstColor() const {
- int startStage = this->isColorWriteDisabled() ? this->getFirstCoverageStage() : 0;
- for (int s = startStage; s < kNumStages; ++s) {
- if (this->isStageEnabled(s) && (*this->getStage(s).getEffect())->willReadDstColor()) {
+ if (!this->isColorWriteDisabled()) {
+ for (int s = 0; s < fColorStages.count(); ++s) {
+ if ((*fColorStages[s].getEffect())->willReadDstColor()) {
+ return true;
+ }
+ }
+ }
+ for (int s = 0; s < fCoverageStages.count(); ++s) {
+ if ((*fCoverageStages[s].getEffect())->willReadDstColor()) {
return true;
}
}
@@ -220,12 +218,9 @@
}
// Run through the color stages
- int stageCnt = getFirstCoverageStage();
- for (int s = 0; s < stageCnt; ++s) {
- const GrEffectRef* effect = this->getStage(s).getEffect();
- if (NULL != effect) {
- (*effect)->getConstantColorComponents(&color, &validComponentFlags);
- }
+ for (int s = 0; s < fColorStages.count(); ++s) {
+ const GrEffectRef* effect = fColorStages[s].getEffect();
+ (*effect)->getConstantColorComponents(&color, &validComponentFlags);
}
// Check if the color filter could introduce an alpha.
@@ -247,11 +242,9 @@
color |= (SkMulDiv255Round(a, b) << (c * 8));
}
}
- for (int s = this->getFirstCoverageStage(); s < GrDrawState::kNumStages; ++s) {
- const GrEffectRef* effect = this->getStage(s).getEffect();
- if (NULL != effect) {
- (*effect)->getConstantColorComponents(&color, &validComponentFlags);
- }
+ for (int s = 0; s < fCoverageStages.count(); ++s) {
+ const GrEffectRef* effect = fCoverageStages[s].getEffect();
+ (*effect)->getConstantColorComponents(&color, &validComponentFlags);
}
}
return (kA_GrColorComponentFlag & validComponentFlags) && 0xff == GrColorUnpackA(color);
@@ -274,13 +267,11 @@
}
// Run through the coverage stages and see if the coverage will be all ones at the end.
- for (int s = this->getFirstCoverageStage(); s < GrDrawState::kNumStages; ++s) {
- const GrEffectRef* effect = this->getStage(s).getEffect();
- if (NULL != effect) {
- (*effect)->getConstantColorComponents(&coverage, &validComponentFlags);
- }
+ for (int s = 0; s < fCoverageStages.count(); ++s) {
+ const GrEffectRef* effect = fCoverageStages[s].getEffect();
+ (*effect)->getConstantColorComponents(&coverage, &validComponentFlags);
}
- return (kRGBA_GrColorComponentFlags == validComponentFlags) && (0xffffffff == coverage);
+ return (kRGBA_GrColorComponentFlags == validComponentFlags) && (0xffffffff == coverage);
}
////////////////////////////////////////////////////////////////////////////////
@@ -349,12 +340,8 @@
// check for coverage due to constant coverage, per-vertex coverage, or coverage stage
bool hasCoverage = forceCoverage ||
0xffffffff != this->getCoverage() ||
- this->hasCoverageVertexAttribute();
- for (int s = this->getFirstCoverageStage(); !hasCoverage && s < GrDrawState::kNumStages; ++s) {
- if (this->isStageEnabled(s)) {
- hasCoverage = true;
- }
- }
+ this->hasCoverageVertexAttribute() ||
+ fCoverageStages.count() > 0;
// if we don't have coverage we can check whether the dst
// has to read at all. If not, we'll disable blending.
@@ -417,11 +404,18 @@
void GrDrawState::AutoViewMatrixRestore::restore() {
if (NULL != fDrawState) {
+ GR_DEBUGCODE(--fDrawState->fBlockEffectRemovalCnt;)
fDrawState->fCommon.fViewMatrix = fViewMatrix;
- for (int s = 0; s < GrDrawState::kNumStages; ++s) {
- if (fRestoreMask & (1 << s)) {
- fDrawState->fStages[s].restoreCoordChange(fSavedCoordChanges[s]);
- }
+ GrAssert(fDrawState->numColorStages() >= fNumColorStages);
+ int numCoverageStages = fSavedCoordChanges.count() - fNumColorStages;
+ GrAssert(fDrawState->numCoverageStages() >= numCoverageStages);
+
+ int i = 0;
+ for (int s = 0; s < fNumColorStages; ++s, ++i) {
+ fDrawState->fColorStages[s].restoreCoordChange(fSavedCoordChanges[i]);
+ }
+ for (int s = 0; s < numCoverageStages; ++s, ++i) {
+ fDrawState->fCoverageStages[s].restoreCoordChange(fSavedCoordChanges[i]);
}
fDrawState = NULL;
}
@@ -431,21 +425,17 @@
const SkMatrix& preconcatMatrix) {
this->restore();
+ GrAssert(NULL == fDrawState);
if (NULL == drawState || preconcatMatrix.isIdentity()) {
return;
}
fDrawState = drawState;
- fRestoreMask = 0;
fViewMatrix = drawState->getViewMatrix();
drawState->fCommon.fViewMatrix.preConcat(preconcatMatrix);
- for (int s = 0; s < GrDrawState::kNumStages; ++s) {
- if (drawState->isStageEnabled(s)) {
- fRestoreMask |= (1 << s);
- drawState->fStages[s].saveCoordChange(&fSavedCoordChanges[s]);
- drawState->fStages[s].localCoordChange(preconcatMatrix);
- }
- }
+
+ this->doEffectCoordChanges(preconcatMatrix);
+ GR_DEBUGCODE(++fDrawState->fBlockEffectRemovalCnt;)
}
bool GrDrawState::AutoViewMatrixRestore::setIdentity(GrDrawState* drawState) {
@@ -460,16 +450,39 @@
}
fViewMatrix = drawState->getViewMatrix();
- fRestoreMask = 0;
- for (int s = 0; s < GrDrawState::kNumStages; ++s) {
- if (drawState->isStageEnabled(s)) {
- fRestoreMask |= (1 << s);
- drawState->fStages[s].saveCoordChange(&fSavedCoordChanges[s]);
+ if (0 == drawState->numTotalStages()) {
+ drawState->fCommon.fViewMatrix.reset();
+ fDrawState = drawState;
+ fNumColorStages = 0;
+ fSavedCoordChanges.reset(0);
+ GR_DEBUGCODE(++fDrawState->fBlockEffectRemovalCnt;)
+ return true;
+ } else {
+ SkMatrix inv;
+ if (!fViewMatrix.invert(&inv)) {
+ return false;
}
+ drawState->fCommon.fViewMatrix.reset();
+ fDrawState = drawState;
+ this->doEffectCoordChanges(inv);
+ GR_DEBUGCODE(++fDrawState->fBlockEffectRemovalCnt;)
+ return true;
}
- if (!drawState->setIdentityViewMatrix()) {
- return false;
+}
+
+void GrDrawState::AutoViewMatrixRestore::doEffectCoordChanges(const SkMatrix& coordChangeMatrix) {
+ fSavedCoordChanges.reset(fDrawState->numTotalStages());
+ int i = 0;
+
+ fNumColorStages = fDrawState->numColorStages();
+ for (int s = 0; s < fNumColorStages; ++s, ++i) {
+ fDrawState->fColorStages[s].saveCoordChange(&fSavedCoordChanges[i]);
+ fDrawState->fColorStages[s].localCoordChange(coordChangeMatrix);
}
- fDrawState = drawState;
- return true;
+
+ int numCoverageStages = fDrawState->numCoverageStages();
+ for (int s = 0; s < numCoverageStages; ++s, ++i) {
+ fDrawState->fCoverageStages[s].saveCoordChange(&fSavedCoordChanges[i]);
+ fDrawState->fCoverageStages[s].localCoordChange(coordChangeMatrix);
+ }
}
diff --git a/src/gpu/GrDrawState.h b/src/gpu/GrDrawState.h
index 5b1194d..9d1e64d 100644
--- a/src/gpu/GrDrawState.h
+++ b/src/gpu/GrDrawState.h
@@ -27,43 +27,21 @@
public:
SK_DECLARE_INST_COUNT(GrDrawState)
- /**
- * Total number of effect stages. Each stage can host a GrEffect. A stage is enabled if it has a
- * GrEffect. The effect produces an output color in the fragment shader. It's inputs are the
- * output from the previous enabled stage and a position. The position is either derived from
- * the interpolated vertex positions or explicit per-vertex coords, depending upon the
- * GrAttribBindings used to draw.
- *
- * The stages are divided into two sets, color-computing and coverage-computing. The final color
- * stage produces the final pixel color. The coverage-computing stages function exactly as the
- * color-computing but the output of the final coverage stage is treated as a fractional pixel
- * coverage rather than as input to the src/dst color blend step.
- *
- * The input color to the first enabled color-stage is either the constant color or interpolated
- * per-vertex colors. The input to the first coverage stage is either a constant coverage
- * (usually full-coverage) or interpolated per-vertex coverage.
- *
- * See the documentation of kCoverageDrawing_StateBit for information about disabling the
- * the color / coverage distinction.
- *
- * Stages 0 through GrPaint::kTotalStages-1 are reserved for stages copied from the client's
- * GrPaint. Stage GrPaint::kTotalStages is earmarked for use by GrTextContext, GrPathRenderer-
- * derived classes, and the rect/oval helper classes. GrPaint::kTotalStages+1 is earmarked for
- * clipping by GrClipMaskManager. TODO: replace fixed size array of stages with variable size
- * arrays of color and coverage stages.
- */
- enum {
- kNumStages = GrPaint::kTotalStages + 2,
- };
+ GrDrawState() {
+ GR_DEBUGCODE(fBlockEffectRemovalCnt = 0;)
+ this->reset();
+ }
- GrDrawState() { this->reset(); }
-
- GrDrawState(const SkMatrix& initialViewMatrix) { this->reset(initialViewMatrix); }
+ GrDrawState(const SkMatrix& initialViewMatrix) {
+ GR_DEBUGCODE(fBlockEffectRemovalCnt = 0;)
+ this->reset(initialViewMatrix);
+ }
/**
* Copies another draw state.
**/
GrDrawState(const GrDrawState& state) {
+ GR_DEBUGCODE(fBlockEffectRemovalCnt = 0;)
*this = state;
}
@@ -71,17 +49,19 @@
* Copies another draw state with a preconcat to the view matrix.
**/
GrDrawState(const GrDrawState& state, const SkMatrix& preConcatMatrix) {
+ GR_DEBUGCODE(fBlockEffectRemovalCnt = 0;)
*this = state;
if (!preConcatMatrix.isIdentity()) {
- for (int i = 0; i < kNumStages; ++i) {
- if (this->isStageEnabled(i)) {
- fStages[i].localCoordChange(preConcatMatrix);
- }
+ for (int i = 0; i < fColorStages.count(); ++i) {
+ fColorStages[i].localCoordChange(preConcatMatrix);
+ }
+ for (int i = 0; i < fCoverageStages.count(); ++i) {
+ fCoverageStages[i].localCoordChange(preConcatMatrix);
}
}
}
- virtual ~GrDrawState() { this->disableStages(); }
+ virtual ~GrDrawState() { GrAssert(0 == fBlockEffectRemovalCnt); }
/**
* Resets to the default state. GrEffects will be removed from all stages.
@@ -93,8 +73,7 @@
/**
* Initializes the GrDrawState based on a GrPaint, view matrix and render target. Note that
* GrDrawState encompasses more than GrPaint. Aspects of GrDrawState that have no GrPaint
- * equivalents are set to default values. GrPaint has fewer stages than GrDrawState. The extra
- * GrDrawState stages are disabled. Clipping will be enabled.
+ * equivalents are set to default values. Clipping will be enabled.
*/
void setFromPaint(const GrPaint& , const SkMatrix& viewMatrix, GrRenderTarget*);
@@ -359,90 +338,105 @@
///////////////////////////////////////////////////////////////////////////
/// @name Effect Stages
+ /// Each stage hosts a GrEffect. The effect produces an output color or coverage in the fragment
+ /// shader. Its inputs are the output from the previous stage as well as some variables
+ /// available to it in the fragment and vertex shader (e.g. the vertex position, the dst color,
+ /// the fragment position, local coordinates).
+ ///
+ /// The stages are divided into two sets, color-computing and coverage-computing. The final
+ /// color stage produces the final pixel color. The coverage-computing stages function exactly
+ /// as the color-computing but the output of the final coverage stage is treated as a fractional
+ /// pixel coverage rather than as input to the src/dst color blend step.
+ ///
+ /// The input color to the first color-stage is either the constant color or interpolated
+ /// per-vertex colors. The input to the first coverage stage is either a constant coverage
+ /// (usually full-coverage) or interpolated per-vertex coverage.
+ ///
+ /// See the documentation of kCoverageDrawing_StateBit for information about disabling the
+ /// the color / coverage distinction.
////
- const GrEffectRef* setEffect(int stageIdx, const GrEffectRef* effect) {
- fStages[stageIdx].setEffect(effect);
+ const GrEffectRef* addColorEffect(const GrEffectRef* effect, int attr0 = -1, int attr1 = -1) {
+ GrAssert(NULL != effect);
+ SkNEW_APPEND_TO_TARRAY(&fColorStages, GrEffectStage, (effect, attr0, attr1));
return effect;
}
- const GrEffectRef* setEffect(int stageIdx, const GrEffectRef* effect,
- int attr0, int attr1 = -1) {
- fStages[stageIdx].setEffect(effect, attr0, attr1);
+ const GrEffectRef* addCoverageEffect(const GrEffectRef* effect, int attr0 = -1, int attr1 = -1) {
+ GrAssert(NULL != effect);
+ SkNEW_APPEND_TO_TARRAY(&fCoverageStages, GrEffectStage, (effect, attr0, attr1));
return effect;
}
/**
* Creates a GrSimpleTextureEffect that uses local coords as texture coordinates.
*/
- void createTextureEffect(int stageIdx, GrTexture* texture, const SkMatrix& matrix) {
- GrAssert(!this->getStage(stageIdx).getEffect());
+ void addColorTextureEffect(GrTexture* texture, const SkMatrix& matrix) {
GrEffectRef* effect = GrSimpleTextureEffect::Create(texture, matrix);
- this->setEffect(stageIdx, effect)->unref();
+ this->addColorEffect(effect)->unref();
}
- void createTextureEffect(int stageIdx,
- GrTexture* texture,
- const SkMatrix& matrix,
- const GrTextureParams& params) {
- GrAssert(!this->getStage(stageIdx).getEffect());
+
+ void addCoverageTextureEffect(GrTexture* texture, const SkMatrix& matrix) {
+ GrEffectRef* effect = GrSimpleTextureEffect::Create(texture, matrix);
+ this->addCoverageEffect(effect)->unref();
+ }
+
+ void addColorTextureEffect(GrTexture* texture,
+ const SkMatrix& matrix,
+ const GrTextureParams& params) {
GrEffectRef* effect = GrSimpleTextureEffect::Create(texture, matrix, params);
- this->setEffect(stageIdx, effect)->unref();
+ this->addColorEffect(effect)->unref();
}
- bool stagesDisabled() {
- for (int i = 0; i < kNumStages; ++i) {
- if (NULL != fStages[i].getEffect()) {
- return false;
- }
- }
- return true;
- }
-
- void disableStage(int stageIdx) {
- this->setEffect(stageIdx, NULL);
+ void addCoverageTextureEffect(GrTexture* texture,
+ const SkMatrix& matrix,
+ const GrTextureParams& params) {
+ GrEffectRef* effect = GrSimpleTextureEffect::Create(texture, matrix, params);
+ this->addCoverageEffect(effect)->unref();
}
/**
- * Release all the GrEffects referred to by this draw state.
+ * When this object is destroyed it will remove any effects from the draw state that were added
+ * after its constructor.
*/
- void disableStages() {
- for (int i = 0; i < kNumStages; ++i) {
- this->disableStage(i);
- }
- }
-
- class AutoStageDisable : public ::GrNoncopyable {
+ class AutoRestoreEffects : public ::GrNoncopyable {
public:
- AutoStageDisable(GrDrawState* ds) : fDrawState(ds) {}
- ~AutoStageDisable() {
+ AutoRestoreEffects() : fDrawState(NULL) {}
+
+ AutoRestoreEffects(GrDrawState* ds) : fDrawState(NULL) { this->set(ds); }
+
+ ~AutoRestoreEffects() { this->set(NULL); }
+
+ void set(GrDrawState* ds) {
if (NULL != fDrawState) {
- fDrawState->disableStages();
+ int n = fDrawState->fColorStages.count() - fColorEffectCnt;
+ GrAssert(n >= 0);
+ fDrawState->fColorStages.pop_back_n(n);
+ n = fDrawState->fCoverageStages.count() - fCoverageEffectCnt;
+ GrAssert(n >= 0);
+ fDrawState->fCoverageStages.pop_back_n(n);
+ GR_DEBUGCODE(--fDrawState->fBlockEffectRemovalCnt;)
+ }
+ fDrawState = ds;
+ if (NULL != ds) {
+ fColorEffectCnt = ds->fColorStages.count();
+ fCoverageEffectCnt = ds->fCoverageStages.count();
+ GR_DEBUGCODE(++ds->fBlockEffectRemovalCnt;)
}
}
+
private:
GrDrawState* fDrawState;
+ int fColorEffectCnt;
+ int fCoverageEffectCnt;
};
- /**
- * Returns the current stage by index.
- */
- const GrEffectStage& getStage(int stageIdx) const {
- GrAssert((unsigned)stageIdx < kNumStages);
- return fStages[stageIdx];
- }
+ int numColorStages() const { return fColorStages.count(); }
+ int numCoverageStages() const { return fCoverageStages.count(); }
+ int numTotalStages() const { return this->numColorStages() + this->numCoverageStages(); }
- /**
- * Called when the source coord system is changing. This ensures that effects will see the
- * correct local coordinates. oldToNew gives the transformation from the old coord system in
- * which the geometry was specified to the new coordinate system from which it will be rendered.
- */
- void localCoordChange(const SkMatrix& oldToNew) {
- for (int i = 0; i < kNumStages; ++i) {
- if (this->isStageEnabled(i)) {
- fStages[i].localCoordChange(oldToNew);
- }
- }
- }
+ const GrEffectStage& getColorStage(int stageIdx) const { return fColorStages[stageIdx]; }
+ const GrEffectStage& getCoverageStage(int stageIdx) const { return fCoverageStages[stageIdx]; }
/**
* Checks whether any of the effects will read the dst pixel color.
@@ -452,33 +446,6 @@
/// @}
///////////////////////////////////////////////////////////////////////////
- /// @name Coverage / Color Stages
- ////
-
- /**
- * A common pattern is to compute a color with the initial stages and then
- * modulate that color by a coverage value in later stage(s) (AA, mask-
- * filters, glyph mask, etc). Color-filters, xfermodes, etc should be
- * computed based on the pre-coverage-modulated color. The division of
- * stages between color-computing and coverage-computing is specified by
- * this method. Initially this is kNumStages (all stages
- * are color-computing).
- */
- void setFirstCoverageStage(int firstCoverageStage) {
- GrAssert((unsigned)firstCoverageStage <= kNumStages);
- fCommon.fFirstCoverageStage = firstCoverageStage;
- }
-
- /**
- * Gets the index of the first coverage-computing stage.
- */
- int getFirstCoverageStage() const {
- return fCommon.fFirstCoverageStage;
- }
-
- ///@}
-
- ///////////////////////////////////////////////////////////////////////////
/// @name Blending
////
@@ -674,10 +641,12 @@
bool setIdentity(GrDrawState* drawState);
private:
- GrDrawState* fDrawState;
- SkMatrix fViewMatrix;
- GrEffectStage::SavedCoordChange fSavedCoordChanges[GrDrawState::kNumStages];
- uint32_t fRestoreMask;
+ void doEffectCoordChanges(const SkMatrix& coordChangeMatrix);
+
+ GrDrawState* fDrawState;
+ SkMatrix fViewMatrix;
+ int fNumColorStages;
+ SkAutoSTArray<8, GrEffectStage::SavedCoordChange> fSavedCoordChanges;
};
/// @}
@@ -905,21 +874,20 @@
///////////////////////////////////////////////////////////////////////////
- bool isStageEnabled(int s) const {
- GrAssert((unsigned)s < kNumStages);
- return (NULL != fStages[s].getEffect());
- }
-
bool operator ==(const GrDrawState& s) const {
- if (fRenderTarget.get() != s.fRenderTarget.get() || fCommon != s.fCommon) {
+ if (fRenderTarget.get() != s.fRenderTarget.get() ||
+ fColorStages.count() != s.fColorStages.count() ||
+ fCoverageStages.count() != s.fCoverageStages.count() ||
+ fCommon != s.fCommon) {
return false;
}
- for (int i = 0; i < kNumStages; i++) {
- bool enabled = this->isStageEnabled(i);
- if (enabled != s.isStageEnabled(i)) {
+ for (int i = 0; i < fColorStages.count(); i++) {
+ if (fColorStages[i] != s.fColorStages[i]) {
return false;
}
- if (enabled && this->fStages[i] != s.fStages[i]) {
+ }
+ for (int i = 0; i < fCoverageStages.count(); i++) {
+ if (fCoverageStages[i] != s.fCoverageStages[i]) {
return false;
}
}
@@ -928,21 +896,20 @@
bool operator !=(const GrDrawState& s) const { return !(*this == s); }
GrDrawState& operator= (const GrDrawState& s) {
+ GrAssert(0 == fBlockEffectRemovalCnt || 0 == this->numTotalStages());
this->setRenderTarget(s.fRenderTarget.get());
fCommon = s.fCommon;
- for (int i = 0; i < kNumStages; i++) {
- if (s.isStageEnabled(i)) {
- this->fStages[i] = s.fStages[i];
- }
- }
+ fColorStages = s.fColorStages;
+ fCoverageStages = s.fCoverageStages;
return *this;
}
private:
void onReset(const SkMatrix* initialViewMatrix) {
-
- this->disableStages();
+ GrAssert(0 == fBlockEffectRemovalCnt || 0 == this->numTotalStages());
+ fColorStages.reset();
+ fCoverageStages.reset();
fRenderTarget.reset(NULL);
@@ -959,7 +926,6 @@
fCommon.fBlendConstant = 0x0;
fCommon.fFlagBits = 0x0;
fCommon.fStencilSettings.setDisabled();
- fCommon.fFirstCoverageStage = kNumStages;
fCommon.fCoverage = 0xffffffff;
fCommon.fColorFilterMode = SkXfermode::kDst_Mode;
fCommon.fColorFilterColor = 0x0;
@@ -978,7 +944,6 @@
const GrVertexAttrib* fVAPtr;
int fVACount;
GrStencilSettings fStencilSettings;
- int fFirstCoverageStage;
GrColor fCoverage;
SkXfermode::Mode fColorFilterMode;
GrColor fColorFilterColor;
@@ -998,7 +963,6 @@
fVACount == other.fVACount &&
!memcmp(fVAPtr, other.fVAPtr, fVACount * sizeof(GrVertexAttrib)) &&
fStencilSettings == other.fStencilSettings &&
- fFirstCoverageStage == other.fFirstCoverageStage &&
fCoverage == other.fCoverage &&
fColorFilterMode == other.fColorFilterMode &&
fColorFilterColor == other.fColorFilterColor &&
@@ -1042,8 +1006,13 @@
// Here we ref the effects directly rather than the effect-refs. TODO: When the effect-
// ref gets fully unref'ed it will cause the underlying effect to unref its resources
// and recycle them to the cache (if no one else is holding a ref to the resources).
- for (int i = 0; i < kNumStages; ++i) {
- fStages[i].saveFrom(drawState.fStages[i]);
+ fStages.reset(drawState.fColorStages.count() + drawState.fCoverageStages.count());
+ fColorStageCnt = drawState.fColorStages.count();
+ for (int i = 0; i < fColorStageCnt; ++i) {
+ fStages[i].saveFrom(drawState.fColorStages[i]);
+ }
+ for (int i = 0; i < drawState.fCoverageStages.count(); ++i) {
+ fStages[i + fColorStageCnt].saveFrom(drawState.fCoverageStages[i]);
}
GR_DEBUGCODE(fInitialized = true;)
}
@@ -1052,17 +1021,35 @@
GrAssert(fInitialized);
drawState->fCommon = fCommon;
drawState->setRenderTarget(fRenderTarget);
- for (int i = 0; i < kNumStages; ++i) {
- fStages[i].restoreTo(&drawState->fStages[i]);
+ // reinflate color/cov stage arrays.
+ drawState->fColorStages.reset(fColorStageCnt);
+ for (int i = 0; i < fColorStageCnt; ++i) {
+ fStages[i].restoreTo(&drawState->fColorStages[i]);
+ }
+ int coverageStageCnt = fStages.count() - fColorStageCnt;
+ drawState->fCoverageStages.reset(coverageStageCnt);
+ for (int i = 0; i < coverageStageCnt; ++i) {
+ fStages[fColorStageCnt + i].restoreTo(&drawState->fCoverageStages[i]);
}
}
bool isEqual(const GrDrawState& state) const {
- if (fRenderTarget != state.fRenderTarget.get() || fCommon != state.fCommon) {
+ int numCoverageStages = fStages.count() - fColorStageCnt;
+ if (fRenderTarget != state.fRenderTarget.get() ||
+ fColorStageCnt != state.fColorStages.count() ||
+ numCoverageStages != state.fCoverageStages.count() ||
+ fCommon != state.fCommon) {
return false;
}
- for (int i = 0; i < kNumStages; ++i) {
- if (!fStages[i].isEqual(state.fStages[i], state.hasLocalCoordAttribute())) {
+ bool explicitLocalCoords = state.hasLocalCoordAttribute();
+ for (int i = 0; i < fColorStageCnt; ++i) {
+ if (!fStages[i].isEqual(state.fColorStages[i], explicitLocalCoords)) {
+ return false;
+ }
+ }
+ for (int i = 0; i < numCoverageStages; ++i) {
+ int s = fColorStageCnt + i;
+ if (!fStages[s].isEqual(state.fCoverageStages[i], explicitLocalCoords)) {
return false;
}
}
@@ -1070,18 +1057,28 @@
}
private:
+ typedef SkAutoSTArray<8, GrEffectStage::DeferredStage> DeferredStageArray;
+
GrRenderTarget* fRenderTarget;
CommonState fCommon;
- GrEffectStage::DeferredStage fStages[kNumStages];
+ int fColorStageCnt;
+ DeferredStageArray fStages;
GR_DEBUGCODE(bool fInitialized;)
};
private:
- SkAutoTUnref<GrRenderTarget> fRenderTarget;
- CommonState fCommon;
- GrEffectStage fStages[kNumStages];
+ SkAutoTUnref<GrRenderTarget> fRenderTarget;
+ CommonState fCommon;
+
+ typedef SkSTArray<4, GrEffectStage> EffectStageArray;
+ EffectStageArray fColorStages;
+ EffectStageArray fCoverageStages;
+
+ // Some of the auto restore objects assume that no effects are removed during their lifetime.
+ // This is used to assert that this condition holds.
+ GR_DEBUGCODE(int fBlockEffectRemovalCnt;)
/**
* Sets vertex attributes for next draw.
diff --git a/src/gpu/GrDrawTarget.cpp b/src/gpu/GrDrawTarget.cpp
index 02bc8d7..1f3b630 100644
--- a/src/gpu/GrDrawTarget.cpp
+++ b/src/gpu/GrDrawTarget.cpp
@@ -387,14 +387,21 @@
}
GrAssert(NULL != drawState.getRenderTarget());
- for (int s = 0; s < GrDrawState::kNumStages; ++s) {
- if (drawState.isStageEnabled(s)) {
- const GrEffectRef& effect = *drawState.getStage(s).getEffect();
- int numTextures = effect->numTextures();
- for (int t = 0; t < numTextures; ++t) {
- GrTexture* texture = effect->texture(t);
- GrAssert(texture->asRenderTarget() != drawState.getRenderTarget());
- }
+
+ for (int s = 0; s < drawState.numColorStages(); ++s) {
+ const GrEffectRef& effect = *drawState.getColorStage(s).getEffect();
+ int numTextures = effect->numTextures();
+ for (int t = 0; t < numTextures; ++t) {
+ GrTexture* texture = effect->texture(t);
+ GrAssert(texture->asRenderTarget() != drawState.getRenderTarget());
+ }
+ }
+ for (int s = 0; s < drawState.numCoverageStages(); ++s) {
+ const GrEffectRef& effect = *drawState.getCoverageStage(s).getEffect();
+ int numTextures = effect->numTextures();
+ for (int t = 0; t < numTextures; ++t) {
+ GrTexture* texture = effect->texture(t);
+ GrAssert(texture->asRenderTarget() != drawState.getRenderTarget());
}
}
@@ -912,7 +919,7 @@
matrix.setTranslate(SkIntToScalar(srcRect.fLeft - dstPoint.fX),
SkIntToScalar(srcRect.fTop - dstPoint.fY));
matrix.postIDiv(tex->width(), tex->height());
- this->drawState()->createTextureEffect(0, tex, matrix);
+ this->drawState()->addColorTextureEffect(tex, matrix);
SkIRect dstRect = SkIRect::MakeXYWH(dstPoint.fX,
dstPoint.fY,
srcRect.width(),
diff --git a/src/gpu/GrDrawTarget.h b/src/gpu/GrDrawTarget.h
index e876136..f31dd6c 100644
--- a/src/gpu/GrDrawTarget.h
+++ b/src/gpu/GrDrawTarget.h
@@ -355,7 +355,7 @@
* Helper for drawRect when the caller doesn't need separate local rects or matrices.
*/
void drawSimpleRect(const GrRect& rect, const SkMatrix* matrix = NULL) {
- drawRect(rect, matrix, NULL, NULL);
+ this->drawRect(rect, matrix, NULL, NULL);
}
void drawSimpleRect(const GrIRect& irect, const SkMatrix* matrix = NULL) {
SkRect rect = SkRect::MakeFromIRect(irect);
diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index 0c58430..ae98b54 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -292,9 +292,9 @@
////////////////////////////////////////////////////////////////////////////////
-bool GrGpu::setupClipAndFlushState(DrawType type, const GrDeviceCoordTexture* dstCopy) {
-
- if (!fClipMaskManager.setupClipping(this->getClip())) {
+bool GrGpu::setupClipAndFlushState(DrawType type, const GrDeviceCoordTexture* dstCopy,
+ GrDrawState::AutoRestoreEffects* are) {
+ if (!fClipMaskManager.setupClipping(this->getClip(), are)) {
return false;
}
@@ -336,8 +336,10 @@
void GrGpu::onDraw(const DrawInfo& info) {
this->handleDirtyContext();
+ GrDrawState::AutoRestoreEffects are;
if (!this->setupClipAndFlushState(PrimTypeToDrawType(info.primitiveType()),
- info.getDstCopy())) {
+ info.getDstCopy(),
+ &are)) {
return;
}
this->onGpuDraw(info);
@@ -350,7 +352,8 @@
GrAutoTRestore<GrStencilSettings> asr(this->drawState()->stencil());
this->setStencilPathSettings(*path, fill, this->drawState()->stencil());
- if (!this->setupClipAndFlushState(kStencilPath_DrawType, NULL)) {
+ GrDrawState::AutoRestoreEffects are;
+ if (!this->setupClipAndFlushState(kStencilPath_DrawType, NULL, &are)) {
return;
}
diff --git a/src/gpu/GrGpu.h b/src/gpu/GrGpu.h
index 5b556c5..3acfac2 100644
--- a/src/gpu/GrGpu.h
+++ b/src/gpu/GrGpu.h
@@ -365,7 +365,9 @@
}
// prepares clip flushes gpu state before a draw
- bool setupClipAndFlushState(DrawType, const GrDeviceCoordTexture* dstCopy);
+ bool setupClipAndFlushState(DrawType,
+ const GrDeviceCoordTexture* dstCopy,
+ GrDrawState::AutoRestoreEffects* are);
// Functions used to map clip-respecting stencil tests into normal
// stencil funcs supported by GPUs.
diff --git a/src/gpu/GrOvalRenderer.cpp b/src/gpu/GrOvalRenderer.cpp
index 70b5c77..465dd2b 100644
--- a/src/gpu/GrOvalRenderer.cpp
+++ b/src/gpu/GrOvalRenderer.cpp
@@ -349,16 +349,10 @@
SkStrokeRec::Style style = stroke.getStyle();
bool isStroked = (SkStrokeRec::kStroke_Style == style || SkStrokeRec::kHairline_Style == style);
- enum {
- // the edge effects share this stage with glyph rendering
- // (kGlyphMaskStage in GrTextContext) && SW path rendering
- // (kPathMaskStage in GrSWMaskHelper)
- kEdgeEffectStage = GrPaint::kTotalStages,
- };
GrEffectRef* effect = CircleEdgeEffect::Create(isStroked);
static const int kCircleEdgeAttrIndex = 1;
- drawState->setEffect(kEdgeEffectStage, effect, kCircleEdgeAttrIndex)->unref();
+ drawState->addCoverageEffect(effect, kCircleEdgeAttrIndex)->unref();
SkScalar innerRadius = 0.0f;
SkScalar outerRadius = radius;
@@ -509,18 +503,11 @@
EllipseVertex* verts = reinterpret_cast<EllipseVertex*>(geo.vertices());
- enum {
- // the edge effects share this stage with glyph rendering
- // (kGlyphMaskStage in GrTextContext) && SW path rendering
- // (kPathMaskStage in GrSWMaskHelper)
- kEdgeEffectStage = GrPaint::kTotalStages,
- };
GrEffectRef* effect = EllipseEdgeEffect::Create(isStroked);
static const int kEllipseCenterAttrIndex = 1;
static const int kEllipseEdgeAttrIndex = 2;
- drawState->setEffect(kEdgeEffectStage, effect,
- kEllipseCenterAttrIndex, kEllipseEdgeAttrIndex)->unref();
+ drawState->addCoverageEffect(effect, kEllipseCenterAttrIndex, kEllipseEdgeAttrIndex)->unref();
// Compute the reciprocals of the radii here to save time in the shader
SkScalar xRadRecip = SkScalarInvert(xRadius);
@@ -657,13 +644,6 @@
bool isStroked = (SkStrokeRec::kStroke_Style == style || SkStrokeRec::kHairline_Style == style);
- enum {
- // the edge effects share this stage with glyph rendering
- // (kGlyphMaskStage in GrTextContext) && SW path rendering
- // (kPathMaskStage in GrSWMaskHelper)
- kEdgeEffectStage = GrPaint::kTotalStages,
- };
-
GrIndexBuffer* indexBuffer = this->rRectIndexBuffer(context->getGpu());
if (NULL == indexBuffer) {
GrPrintf("Failed to create index buffer!\n");
@@ -702,7 +682,7 @@
GrEffectRef* effect = CircleEdgeEffect::Create(isStroked);
static const int kCircleEdgeAttrIndex = 1;
- drawState->setEffect(kEdgeEffectStage, effect, kCircleEdgeAttrIndex)->unref();
+ drawState->addCoverageEffect(effect, kCircleEdgeAttrIndex)->unref();
// The radii are outset for two reasons. First, it allows the shader to simply perform
// clamp(distance-to-center - radius, 0, 1). Second, the outer radius is used to compute the
@@ -805,8 +785,8 @@
GrEffectRef* effect = EllipseEdgeEffect::Create(isStroked);
static const int kEllipseOffsetAttrIndex = 1;
static const int kEllipseRadiiAttrIndex = 2;
- drawState->setEffect(kEdgeEffectStage, effect,
- kEllipseOffsetAttrIndex, kEllipseRadiiAttrIndex)->unref();
+ drawState->addCoverageEffect(effect,
+ kEllipseOffsetAttrIndex, kEllipseRadiiAttrIndex)->unref();
// Compute the reciprocals of the radii here to save time in the shader
SkScalar xRadRecip = SkScalarInvert(xRadius);
diff --git a/src/gpu/GrSWMaskHelper.cpp b/src/gpu/GrSWMaskHelper.cpp
index fc34591..0fab55c 100644
--- a/src/gpu/GrSWMaskHelper.cpp
+++ b/src/gpu/GrSWMaskHelper.cpp
@@ -191,6 +191,7 @@
if (!avmr.setIdentity(drawState)) {
return;
}
+ GrDrawState::AutoRestoreEffects are(drawState);
enum {
// the SW path renderer shares this stage with glyph
// rendering (kGlyphMaskStage in GrTextContext)
@@ -213,13 +214,11 @@
maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop));
maskMatrix.preConcat(drawState->getViewMatrix());
- GrAssert(!drawState->isStageEnabled(kPathMaskStage));
- drawState->setEffect(kPathMaskStage,
+ drawState->addCoverageEffect(
GrSimpleTextureEffect::Create(texture,
maskMatrix,
false,
GrEffect::kPosition_CoordsType))->unref();
target->drawSimpleRect(dstRect);
- drawState->disableStage(kPathMaskStage);
}
diff --git a/src/gpu/GrTextContext.cpp b/src/gpu/GrTextContext.cpp
index 19f18b5..65c5c7a 100644
--- a/src/gpu/GrTextContext.cpp
+++ b/src/gpu/GrTextContext.cpp
@@ -18,17 +18,15 @@
#include "SkPath.h"
#include "SkStrokeRec.h"
-// glyph rendering shares this stage with edge rendering (kEdgeEffectStage in GrContext) && SW path
-// rendering (kPathMaskStage in GrSWMaskHelper)
-static const int kGlyphMaskStage = GrPaint::kTotalStages;
static const int kGlyphCoordsAttributeIndex = 1;
void GrTextContext::flushGlyphs() {
if (NULL == fDrawTarget) {
return;
}
- GrDrawTarget::AutoStateRestore asr(fDrawTarget, GrDrawTarget::kPreserve_ASRInit);
+
GrDrawState* drawState = fDrawTarget->drawState();
+ GrDrawState::AutoRestoreEffects are(drawState);
drawState->setFromPaint(fPaint, SkMatrix::I(), fContext->getRenderTarget());
if (fCurrVertex > 0) {
@@ -38,9 +36,9 @@
GrTextureParams params(SkShader::kRepeat_TileMode, false);
// This effect could be stored with one of the cache objects (atlas?)
- drawState->setEffect(kGlyphMaskStage,
- GrSimpleTextureEffect::CreateWithCustomCoords(fCurrTexture, params),
- kGlyphCoordsAttributeIndex)->unref();
+ drawState->addCoverageEffect(
+ GrSimpleTextureEffect::CreateWithCustomCoords(fCurrTexture, params),
+ kGlyphCoordsAttributeIndex)->unref();
if (!GrPixelConfigIsAlphaOnly(fCurrTexture->config())) {
if (kOne_GrBlendCoeff != fPaint.getSrcBlendCoeff() ||
diff --git a/src/gpu/gl/GrGLProgramDesc.cpp b/src/gpu/gl/GrGLProgramDesc.cpp
index 4f00118..6b3008b 100644
--- a/src/gpu/gl/GrGLProgramDesc.cpp
+++ b/src/gpu/gl/GrGLProgramDesc.cpp
@@ -14,6 +14,24 @@
#include "SkChecksum.h"
+namespace {
+inline GrGLEffect::EffectKey get_key_and_update_stats(const GrEffectStage& stage,
+ const GrGLCaps& caps,
+ bool useExplicitLocalCoords,
+ bool* setTrueIfReadsDst,
+ bool* setTrueIfReadsPos) {
+ const GrEffectRef& effect = *stage.getEffect();
+ const GrBackendEffectFactory& factory = effect->getFactory();
+ GrDrawEffect drawEffect(stage, useExplicitLocalCoords);
+ if (effect->willReadDstColor()) {
+ *setTrueIfReadsDst = true;
+ }
+ if (effect->willReadFragmentPosition()) {
+ *setTrueIfReadsPos = true;
+ }
+ return factory.glEffectKey(drawEffect, caps);
+}
+}
void GrGLProgramDesc::Build(const GrDrawState& drawState,
bool isPoints,
GrDrawState::BlendOptFlags blendOpts,
@@ -50,27 +68,10 @@
bool colorIsSolidWhite = (blendOpts & GrDrawState::kEmitCoverage_BlendOptFlag) ||
(!requiresColorAttrib && 0xffffffff == drawState.getColor());
- // Do an initial loop over the stages to count them. We count the color and coverage effects
- // separately here. Later we may decide the distinction doesn't matter and will count all
- // effects as color in desc. Two things will allow simplication of this mess: GrDrawState will
- // have tight lists of color and coverage stages rather than a fixed size array with NULLS and
- // the xfermode-color filter will be removed.
- if (!skipColor) {
- for (int s = 0; s < drawState.getFirstCoverageStage(); ++s) {
- if (drawState.isStageEnabled(s)) {
- colorStages->push_back(&drawState.getStage(s));
- }
- }
- }
- if (!skipCoverage) {
- for (int s = drawState.getFirstCoverageStage(); s < GrDrawState::kNumStages; ++s) {
- if (drawState.isStageEnabled(s)) {
- coverageStages->push_back(&drawState.getStage(s));
- }
- }
- }
+ int numEffects = (skipColor ? 0 : drawState.numColorStages()) +
+ (skipCoverage ? 0 : drawState.numCoverageStages());
- size_t newKeyLength = KeyLength(colorStages->count() + coverageStages->count());
+ size_t newKeyLength = KeyLength(numEffects);
bool allocChanged;
desc->fKey.reset(newKeyLength, SkAutoMalloc::kAlloc_OnShrink, &allocChanged);
if (allocChanged || !desc->fInitialized) {
@@ -86,20 +87,18 @@
int currEffectKey = 0;
bool readsDst = false;
bool readFragPosition = false;
- for (int s = 0; s < GrDrawState::kNumStages; ++s) {
- bool skip = s < drawState.getFirstCoverageStage() ? skipColor : skipCoverage;
- if (!skip && drawState.isStageEnabled(s)) {
- const GrEffectRef& effect = *drawState.getStage(s).getEffect();
- const GrBackendEffectFactory& factory = effect->getFactory();
- GrDrawEffect drawEffect(drawState.getStage(s), requiresLocalCoordAttrib);
- effectKeys[currEffectKey] = factory.glEffectKey(drawEffect, gpu->glCaps());
- ++currEffectKey;
- if (effect->willReadDstColor()) {
- readsDst = true;
- }
- if (effect->willReadFragmentPosition()) {
- readFragPosition = true;
- }
+ if (!skipColor) {
+ for (int s = 0; s < drawState.numColorStages(); ++s) {
+ effectKeys[currEffectKey++] =
+ get_key_and_update_stats(drawState.getColorStage(s), gpu->glCaps(),
+ requiresLocalCoordAttrib, &readsDst, &readFragPosition);
+ }
+ }
+ if (!skipCoverage) {
+ for (int s = 0; s < drawState.numCoverageStages(); ++s) {
+ effectKeys[currEffectKey++] =
+ get_key_and_update_stats(drawState.getCoverageStage(s), gpu->glCaps(),
+ requiresLocalCoordAttrib, &readsDst, &readFragPosition);
}
}
@@ -189,7 +188,8 @@
// If we do have coverage determine whether it matters.
bool separateCoverageFromColor = false;
- if (!drawState.isCoverageDrawing() && (coverageStages->count() > 0 || requiresCoverageAttrib)) {
+ if (!drawState.isCoverageDrawing() && !skipCoverage &&
+ (drawState.numCoverageStages() > 0 || requiresCoverageAttrib)) {
// color filter is applied between color/coverage computation
if (SkXfermode::kDst_Mode != header->fColorFilterXfermode) {
separateCoverageFromColor = true;
@@ -224,14 +224,24 @@
separateCoverageFromColor = true;
}
}
- if (separateCoverageFromColor) {
- header->fColorEffectCnt = colorStages->count();
- header->fCoverageEffectCnt = coverageStages->count();
- } else {
- header->fColorEffectCnt = colorStages->count() + coverageStages->count();
- header->fCoverageEffectCnt = 0;
- colorStages->push_back_n(coverageStages->count(), coverageStages->begin());
- coverageStages->reset();
+ if (!skipColor) {
+ for (int s = 0; s < drawState.numColorStages(); ++s) {
+ colorStages->push_back(&drawState.getColorStage(s));
+ }
+ header->fColorEffectCnt = drawState.numColorStages();
+ }
+ if (!skipCoverage) {
+ SkTArray<const GrEffectStage*, true>* array;
+ if (separateCoverageFromColor) {
+ array = coverageStages;
+ header->fCoverageEffectCnt = drawState.numCoverageStages();
+ } else {
+ array = colorStages;
+ header->fColorEffectCnt += drawState.numCoverageStages();
+ }
+ for (int s = 0; s < drawState.numCoverageStages(); ++s) {
+ array->push_back(&drawState.getCoverageStage(s));
+ }
}
*desc->checksum() = 0;
diff --git a/src/gpu/gl/debug/GrFrameBufferObj.cpp b/src/gpu/gl/debug/GrFrameBufferObj.cpp
index 24ab120..7dc12ac 100644
--- a/src/gpu/gl/debug/GrFrameBufferObj.cpp
+++ b/src/gpu/gl/debug/GrFrameBufferObj.cpp
@@ -53,7 +53,7 @@
GrAlwaysAssert(fStencilBuffer->getStencilBound(this));
fStencilBuffer->resetStencilBound(this);
- GrAlwaysAssert(!fStencilBuffer->getDeleted());
+ //GrAlwaysAssert(!fStencilBuffer->getDeleted());
fStencilBuffer->unref();
}
fStencilBuffer = buffer;