From: bsalomon@google.com Date: Thu, 16 Aug 2012 18:36:06 +0000 (+0000) Subject: Make all GrContext draws go through the draw buffer. X-Git-Tag: accepted/tizen/5.0/unified/20181102.025319~15143 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1d4edd38f6b62d1cc54cb7bc6f3c6ce10ccb1471;p=platform%2Fupstream%2FlibSkiaSharp.git Make all GrContext draws go through the draw buffer. Review URL: http://codereview.appspot.com/6462069/ git-svn-id: http://skia.googlecode.com/svn/trunk@5136 2bbb7eff-a529-9590-31e7-b0007b416f81 --- diff --git a/include/gpu/GrConfig.h b/include/gpu/GrConfig.h index eecce79..ffab237 100644 --- a/include/gpu/GrConfig.h +++ b/include/gpu/GrConfig.h @@ -337,6 +337,14 @@ inline void GrCrash(const char* msg) { GrPrintf(msg); GrAlwaysAssert(false); } #endif /** + * GR_DISABLE_DRAW_BUFFERING prevents GrContext from queueing draws in a + * GrInOrderDrawBuffer. + */ +#if !defined(GR_DISABLE_DRAW_BUFFERING) + #define GR_DISABLE_DRAW_BUFFERING 0 +#endif + +/** * GR_AGGRESSIVE_SHADER_OPTS controls how aggressively shaders are optimized * for special cases. On systems where program changes are expensive this * may not be advantageous. Consecutive draws may no longer use the same diff --git a/include/gpu/GrContext.h b/include/gpu/GrContext.h index 0c4d73c..c32b908 100644 --- a/include/gpu/GrContext.h +++ b/include/gpu/GrContext.h @@ -748,12 +748,12 @@ public: bool allowSW); private: - // used to keep track of when we need to flush the draw buffer - enum DrawCategory { - kBuffered_DrawCategory, // last draw was inserted in draw buffer - kUnbuffered_DrawCategory, // last draw was not inserted in the draw buffer + // Used to indicate whether a draw should be performed immediately or queued in fDrawBuffer. + enum BufferedDraw { + kYes_BufferedDraw, + kNo_BufferedDraw, }; - DrawCategory fLastDrawCategory; + BufferedDraw fLastDrawWasBuffered; GrGpu* fGpu; GrDrawState* fDrawState; @@ -778,7 +778,7 @@ private: void setPaint(const GrPaint& paint); - GrDrawTarget* prepareToDraw(const GrPaint& paint, DrawCategory drawType); + GrDrawTarget* prepareToDraw(const GrPaint&, BufferedDraw); void internalDrawPath(const GrPaint& paint, const SkPath& path, GrPathFill fill, const GrPoint* translate); diff --git a/include/gpu/GrUserConfig.h b/include/gpu/GrUserConfig.h index 657f74f..d514486 100644 --- a/include/gpu/GrUserConfig.h +++ b/include/gpu/GrUserConfig.h @@ -22,8 +22,8 @@ #endif /* - * To diagnose texture cache performance, define this to 1 if you want to see - * a log statement everytime we upload an image to create a texture. + * To diagnose texture cache performance, define this to 1 if you want to see + * a log statement everytime we upload an image to create a texture. */ //#define GR_DUMP_TEXTURE_UPLOAD 1 @@ -36,6 +36,12 @@ //#define GR_STATIC_RECT_VB 1 /* + * This causes the GrContext to execute all draws immediately in the 3D API + * rather than internally queuing draws. + */ +//#define GR_DISABLE_DRAW_BUFFERING 1 + +/* * This causes more aggressive shader optimization. May hurt performance if * switching shaders is expensive. */ diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp index a8b6808..895040d 100644 --- a/src/gpu/GrContext.cpp +++ b/src/gpu/GrContext.cpp @@ -30,11 +30,10 @@ SK_DEFINE_INST_COUNT(GrContext) SK_DEFINE_INST_COUNT(GrDrawState) -#define DEFER_TEXT_RENDERING 1 - -#define DEFER_PATHS 1 - -#define BATCH_RECT_TO_RECT (1 && !GR_STATIC_RECT_VB) +// It can be useful to set this to kNo_BufferedDraw to test whether a bug is caused by using the +// InOrderDrawBuffer, to compare performance of using/not using InOrderDrawBuffer, or to make +// debugging easier. +#define DEFAULT_BUFFERING (GR_DISABLE_DRAW_BUFFERING ? kNo_BufferedDraw : kYes_BufferedDraw) #define MAX_BLUR_SIGMA 4.0f @@ -55,9 +54,8 @@ static const size_t MAX_TEXTURE_CACHE_BYTES = 16 * 1024 * 1024; static const size_t DRAW_BUFFER_VBPOOL_BUFFER_SIZE = 1 << 15; static const int DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS = 4; -// path rendering is the only thing we defer today that uses non-static indices -static const size_t DRAW_BUFFER_IBPOOL_BUFFER_SIZE = DEFER_PATHS ? 1 << 11 : 0; -static const int DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS = DEFER_PATHS ? 4 : 0; +static const size_t DRAW_BUFFER_IBPOOL_BUFFER_SIZE = 1 << 11; +static const int DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS = 4; #define ASSERT_OWNED_RESOURCE(R) GrAssert(!(R) || (R)->getContext() == this) @@ -740,7 +738,7 @@ void GrContext::drawRect(const GrPaint& paint, const GrMatrix* matrix) { SK_TRACE_EVENT0("GrContext::drawRect"); - GrDrawTarget* target = this->prepareToDraw(paint, kUnbuffered_DrawCategory); + GrDrawTarget* target = this->prepareToDraw(paint, DEFAULT_BUFFERING); GrDrawState::AutoStageDisable atr(fDrawState); GrRect devRect = rect; @@ -857,10 +855,9 @@ void GrContext::drawRectToRect(const GrPaint& paint, return; } - GR_STATIC_ASSERT(!BATCH_RECT_TO_RECT || !GR_STATIC_RECT_VB); + GrDrawTarget* target = this->prepareToDraw(paint, DEFAULT_BUFFERING); #if GR_STATIC_RECT_VB - GrDrawTarget* target = this->prepareToDraw(paint, kUnbuffered_DrawCategory); GrDrawState::AutoStageDisable atr(fDrawState); GrDrawState* drawState = target->drawState(); GrDrawState::AutoViewMatrixRestore avmr(drawState); @@ -899,13 +896,6 @@ void GrContext::drawRectToRect(const GrPaint& paint, target->setVertexSourceToBuffer(0, sqVB); target->drawNonIndexed(kTriangleFan_GrPrimitiveType, 0, 4); #else - - GrDrawTarget* target; -#if BATCH_RECT_TO_RECT - target = this->prepareToDraw(paint, kBuffered_DrawCategory); -#else - target = this->prepareToDraw(paint, kUnbuffered_DrawCategory); -#endif GrDrawState::AutoStageDisable atr(fDrawState); const GrRect* srcRects[GrDrawState::kNumStages] = {NULL}; @@ -929,7 +919,7 @@ void GrContext::drawVertices(const GrPaint& paint, GrDrawTarget::AutoReleaseGeometry geo; - GrDrawTarget* target = this->prepareToDraw(paint, kUnbuffered_DrawCategory); + GrDrawTarget* target = this->prepareToDraw(paint, DEFAULT_BUFFERING); GrDrawState::AutoStageDisable atr(fDrawState); GrVertexLayout layout = 0; @@ -1041,9 +1031,7 @@ void GrContext::drawOval(const GrPaint& paint, return; } - DrawCategory category = (DEFER_PATHS) ? kBuffered_DrawCategory : - kUnbuffered_DrawCategory; - GrDrawTarget* target = this->prepareToDraw(paint, category); + GrDrawTarget* target = this->prepareToDraw(paint, DEFAULT_BUFFERING); GrDrawState* drawState = target->drawState(); GrDrawState::AutoStageDisable atr(fDrawState); const GrMatrix vm = drawState->getViewMatrix(); @@ -1141,9 +1129,7 @@ void GrContext::internalDrawPath(const GrPaint& paint, const SkPath& path, // 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. - DrawCategory category = (DEFER_PATHS) ? kBuffered_DrawCategory : - kUnbuffered_DrawCategory; - GrDrawTarget* target = this->prepareToDraw(paint, category); + GrDrawTarget* target = this->prepareToDraw(paint, DEFAULT_BUFFERING); GrDrawState::AutoStageDisable atr(fDrawState); bool prAA = paint.fAntiAlias && !this->getRenderTarget()->isMultisampled(); @@ -1594,27 +1580,20 @@ void GrContext::setPaint(const GrPaint& paint) { #endif } -GrDrawTarget* GrContext::prepareToDraw(const GrPaint& paint, - DrawCategory category) { - if (category != fLastDrawCategory) { +GrDrawTarget* GrContext::prepareToDraw(const GrPaint& paint, BufferedDraw buffered) { + if (kNo_BufferedDraw == buffered && kYes_BufferedDraw == fLastDrawWasBuffered) { this->flushDrawBuffer(); - fLastDrawCategory = category; + fLastDrawWasBuffered = kNo_BufferedDraw; } this->setPaint(paint); - GrDrawTarget* target = fGpu; - switch (category) { - case kUnbuffered_DrawCategory: - target = fGpu; - break; - case kBuffered_DrawCategory: - target = fDrawBuffer; - fDrawBuffer->setClip(fGpu->getClip()); - break; - default: - GrCrash("Unexpected DrawCategory."); - break; + if (kYes_BufferedDraw == buffered) { + fDrawBuffer->setClip(fGpu->getClip()); + fLastDrawWasBuffered = kYes_BufferedDraw; + return fDrawBuffer; + } else { + GrAssert(kNo_BufferedDraw == buffered); + return fGpu; } - return target; } /* @@ -1711,7 +1690,7 @@ GrContext::GrContext(GrGpu* gpu) { MAX_TEXTURE_CACHE_BYTES)); fFontCache = SkNEW_ARGS(GrFontCache, (fGpu)); - fLastDrawCategory = kUnbuffered_DrawCategory; + fLastDrawWasBuffered = kNo_BufferedDraw; fDrawBuffer = NULL; fDrawBufferVBAllocPool = NULL; @@ -1728,7 +1707,6 @@ void GrContext::setupDrawBuffer() { GrAssert(NULL == fDrawBufferVBAllocPool); GrAssert(NULL == fDrawBufferIBAllocPool); -#if DEFER_TEXT_RENDERING || BATCH_RECT_TO_RECT || DEFER_PATHS fDrawBufferVBAllocPool = SkNEW_ARGS(GrVertexBufferAllocPool, (fGpu, false, DRAW_BUFFER_VBPOOL_BUFFER_SIZE, @@ -1741,11 +1719,8 @@ void GrContext::setupDrawBuffer() { fDrawBuffer = SkNEW_ARGS(GrInOrderDrawBuffer, (fGpu, fDrawBufferVBAllocPool, fDrawBufferIBAllocPool)); -#endif -#if BATCH_RECT_TO_RECT fDrawBuffer->setQuadIndexBuffer(this->getQuadIndexBuffer()); -#endif if (fDrawBuffer) { fDrawBuffer->setAutoFlushTarget(fGpu); fDrawBuffer->setDrawState(fDrawState); @@ -1753,11 +1728,7 @@ void GrContext::setupDrawBuffer() { } GrDrawTarget* GrContext::getTextTarget(const GrPaint& paint) { -#if DEFER_TEXT_RENDERING - return prepareToDraw(paint, kBuffered_DrawCategory); -#else - return prepareToDraw(paint, kUnbuffered_DrawCategory); -#endif + return prepareToDraw(paint, DEFAULT_BUFFERING); } const GrIndexBuffer* GrContext::getQuadIndexBuffer() const {