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Use a single GrDrawState in GrContext for direct and buffered drawing

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Review URL: http://codereview.appspot.com/5933043/


git-svn-id: http://skia.googlecode.com/svn/trunk@3507 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
bsalomon@google.com 2012-03-27 17:40:15 +00:00
parent a5d056ae0b
commit a5d2203f58
4 changed files with 46 additions and 55 deletions
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5
include/gpu/GrContext.h
View File

@ -17,6 +17,7 @@
#include "GrRenderTarget.h"
class GrAutoScratchTexture;
class GrDrawState;
class GrDrawTarget;
class GrFontCache;
class GrGpu;
@ -671,6 +672,8 @@ private:
DrawCategory fLastDrawCategory;
GrGpu* fGpu;
GrDrawState* fDrawState;
GrResourceCache* fTextureCache;
GrFontCache* fFontCache;
@ -704,7 +707,7 @@ private:
void flushDrawBuffer();
void setPaint(const GrPaint& paint, GrDrawTarget* target);
void setPaint(const GrPaint& paint);
GrDrawTarget* prepareToDraw(const GrPaint& paint, DrawCategory drawType);

81
src/gpu/GrContext.cpp
View File

@ -70,6 +70,7 @@ GrContext::~GrContext() {
GrSafeUnref(fAAStrokeRectIndexBuffer);
fGpu->unref();
GrSafeUnref(fPathRendererChain);
fDrawState->unref();
}
void GrContext::contextLost() {
@ -655,7 +656,7 @@ const GrClip& GrContext::getClip() const { return fGpu->getClip(); }
void GrContext::setClip(const GrClip& clip) {
fGpu->setClip(clip);
fGpu->drawState()->enableState(GrDrawState::kClip_StateBit);
fDrawState->enableState(GrDrawState::kClip_StateBit);
}
void GrContext::setClip(const GrIRect& rect) {
@ -681,21 +682,20 @@ void GrContext::drawPaint(const GrPaint& paint) {
GrMatrix inverse;
SkTLazy<GrPaint> tmpPaint;
const GrPaint* p = &paint;
GrDrawState* drawState = fGpu->drawState();
GrAutoMatrix am;
// We attempt to map r by the inverse matrix and draw that. mapRect will
// map the four corners and bound them with a new rect. This will not
// produce a correct result for some perspective matrices.
if (!this->getMatrix().hasPerspective()) {
if (!drawState->getViewInverse(&inverse)) {
if (!fDrawState->getViewInverse(&inverse)) {
GrPrintf("Could not invert matrix");
return;
}
inverse.mapRect(&r);
} else {
if (paint.getActiveMaskStageMask() || paint.getActiveStageMask()) {
if (!drawState->getViewInverse(&inverse)) {
if (!fDrawState->getViewInverse(&inverse)) {
GrPrintf("Could not invert matrix");
return;
}
@ -1640,7 +1640,7 @@ bool GrContext::internalReadRenderTargetPixels(GrRenderTarget* target,
ASSERT_OWNED_RESOURCE(target);
if (NULL == target) {
target = fGpu->drawState()->getRenderTarget();
target = fDrawState->getRenderTarget();
if (NULL == target) {
return false;
}
@ -1894,57 +1894,57 @@ void GrContext::internalWriteRenderTargetPixels(GrRenderTarget* target,
}
////////////////////////////////////////////////////////////////////////////////
void GrContext::setPaint(const GrPaint& paint, GrDrawTarget* target) {
GrDrawState* drawState = target->drawState();
void GrContext::setPaint(const GrPaint& paint) {
for (int i = 0; i < GrPaint::kMaxTextures; ++i) {
int s = i + GrPaint::kFirstTextureStage;
drawState->setTexture(s, paint.getTexture(i));
fDrawState->setTexture(s, paint.getTexture(i));
ASSERT_OWNED_RESOURCE(paint.getTexture(i));
if (paint.getTexture(i)) {
*drawState->sampler(s) = paint.getTextureSampler(i);
*fDrawState->sampler(s) = paint.getTextureSampler(i);
}
}
drawState->setFirstCoverageStage(GrPaint::kFirstMaskStage);
fDrawState->setFirstCoverageStage(GrPaint::kFirstMaskStage);
for (int i = 0; i < GrPaint::kMaxMasks; ++i) {
int s = i + GrPaint::kFirstMaskStage;
drawState->setTexture(s, paint.getMask(i));
fDrawState->setTexture(s, paint.getMask(i));
ASSERT_OWNED_RESOURCE(paint.getMask(i));
if (paint.getMask(i)) {
*drawState->sampler(s) = paint.getMaskSampler(i);
*fDrawState->sampler(s) = paint.getMaskSampler(i);
}
}
// disable all stages not accessible via the paint
for (int s = GrPaint::kTotalStages; s < GrDrawState::kNumStages; ++s) {
drawState->setTexture(s, NULL);
fDrawState->setTexture(s, NULL);
}
drawState->setColor(paint.fColor);
fDrawState->setColor(paint.fColor);
if (paint.fDither) {
drawState->enableState(GrDrawState::kDither_StateBit);
fDrawState->enableState(GrDrawState::kDither_StateBit);
} else {
drawState->disableState(GrDrawState::kDither_StateBit);
fDrawState->disableState(GrDrawState::kDither_StateBit);
}
if (paint.fAntiAlias) {
drawState->enableState(GrDrawState::kHWAntialias_StateBit);
fDrawState->enableState(GrDrawState::kHWAntialias_StateBit);
} else {
drawState->disableState(GrDrawState::kHWAntialias_StateBit);
fDrawState->disableState(GrDrawState::kHWAntialias_StateBit);
}
if (paint.fColorMatrixEnabled) {
drawState->enableState(GrDrawState::kColorMatrix_StateBit);
drawState->setColorMatrix(paint.fColorMatrix);
fDrawState->enableState(GrDrawState::kColorMatrix_StateBit);
fDrawState->setColorMatrix(paint.fColorMatrix);
} else {
drawState->disableState(GrDrawState::kColorMatrix_StateBit);
fDrawState->disableState(GrDrawState::kColorMatrix_StateBit);
}
drawState->setBlendFunc(paint.fSrcBlendCoeff, paint.fDstBlendCoeff);
drawState->setColorFilter(paint.fColorFilterColor, paint.fColorFilterXfermode);
drawState->setCoverage(paint.fCoverage);
fDrawState->setBlendFunc(paint.fSrcBlendCoeff, paint.fDstBlendCoeff);
fDrawState->setColorFilter(paint.fColorFilterColor, paint.fColorFilterXfermode);
fDrawState->setCoverage(paint.fCoverage);
if (paint.getActiveMaskStageMask() && !target->canApplyCoverage()) {
if ((paint.getActiveMaskStageMask() || 0xffffffff != paint.fCoverage) &&
!fGpu->canApplyCoverage()) {
GrPrintf("Partial pixel coverage will be incorrectly blended.\n");
}
}
@ -1955,13 +1955,13 @@ GrDrawTarget* GrContext::prepareToDraw(const GrPaint& paint,
this->flushDrawBuffer();
fLastDrawCategory = category;
}
this->setPaint(paint, fGpu);
this->setPaint(paint);
GrDrawTarget* target = fGpu;
switch (category) {
case kText_DrawCategory:
#if DEFER_TEXT_RENDERING
target = fDrawBuffer;
fDrawBuffer->initializeDrawStateAndClip(*fGpu);
fDrawBuffer->setClip(fGpu->getClip());
#else
target = fGpu;
#endif
@ -1971,7 +1971,7 @@ GrDrawTarget* GrContext::prepareToDraw(const GrPaint& paint,
break;
case kBuffered_DrawCategory:
target = fDrawBuffer;
fDrawBuffer->initializeDrawStateAndClip(*fGpu);
fDrawBuffer->setClip(fGpu->getClip());
break;
}
return target;
@ -1992,30 +1992,30 @@ GrPathRenderer* GrContext::getPathRenderer(const GrPath& path,
void GrContext::setRenderTarget(GrRenderTarget* target) {
ASSERT_OWNED_RESOURCE(target);
if (fGpu->drawState()->getRenderTarget() != target) {
if (fDrawState->getRenderTarget() != target) {
this->flush(false);
fGpu->drawState()->setRenderTarget(target);
fDrawState->setRenderTarget(target);
}
}
GrRenderTarget* GrContext::getRenderTarget() {
return fGpu->drawState()->getRenderTarget();
return fDrawState->getRenderTarget();
}
const GrRenderTarget* GrContext::getRenderTarget() const {
return fGpu->getDrawState().getRenderTarget();
return fDrawState->getRenderTarget();
}
const GrMatrix& GrContext::getMatrix() const {
return fGpu->getDrawState().getViewMatrix();
return fDrawState->getViewMatrix();
}
void GrContext::setMatrix(const GrMatrix& m) {
fGpu->drawState()->setViewMatrix(m);
fDrawState->setViewMatrix(m);
}
void GrContext::concatMatrix(const GrMatrix& m) const {
fGpu->drawState()->preConcatViewMatrix(m);
fDrawState->preConcatViewMatrix(m);
}
static inline intptr_t setOrClear(intptr_t bits, int shift, intptr_t pred) {
@ -2045,6 +2045,9 @@ GrContext::GrContext(GrGpu* gpu) {
fGpu->ref();
fGpu->setContext(this);
fDrawState = new GrDrawState();
fGpu->setDrawState(fDrawState);
fPathRendererChain = NULL;
fTextureCache = new GrResourceCache(MAX_TEXTURE_CACHE_COUNT,
@ -2088,17 +2091,15 @@ void GrContext::setupDrawBuffer() {
fDrawBuffer->setQuadIndexBuffer(this->getQuadIndexBuffer());
#endif
fDrawBuffer->setAutoFlushTarget(fGpu);
fDrawBuffer->setDrawState(fDrawState);
}
GrDrawTarget* GrContext::getTextTarget(const GrPaint& paint) {
GrDrawTarget* target;
#if DEFER_TEXT_RENDERING
target = prepareToDraw(paint, kText_DrawCategory);
return prepareToDraw(paint, kText_DrawCategory);
#else
target = prepareToDraw(paint, kUnbuffered_DrawCategory);
return prepareToDraw(paint, kUnbuffered_DrawCategory);
#endif
this->setPaint(paint, target);
return target;
}
const GrIndexBuffer* GrContext::getQuadIndexBuffer() const {

6
src/gpu/GrInOrderDrawBuffer.cpp
View File

@ -7,7 +7,6 @@
*/
#include "GrInOrderDrawBuffer.h"
#include "GrRenderTarget.h"
#include "GrTexture.h"
@ -53,11 +52,6 @@ GrInOrderDrawBuffer::~GrInOrderDrawBuffer() {
GrSafeUnref(fAutoFlushTarget);
}
void GrInOrderDrawBuffer::initializeDrawStateAndClip(const GrDrawTarget& target) {
this->copyDrawState(target);
this->setClip(target.getClip());
}
void GrInOrderDrawBuffer::setQuadIndexBuffer(const GrIndexBuffer* indexBuffer) {
bool newIdxBuffer = fQuadIndexBuffer != indexBuffer;
if (newIdxBuffer) {

7
src/gpu/GrInOrderDrawBuffer.h
View File

@ -52,13 +52,6 @@ public:
virtual ~GrInOrderDrawBuffer();
/**
* Copies the draw state and clip from target to this draw buffer.
*
* @param target the target whose clip and state should be copied.
*/
void initializeDrawStateAndClip(const GrDrawTarget& target);
/**
* Provides the buffer with an index buffer that can be used for quad rendering.
* The buffer may be able to batch consecutive drawRects if this is provided.