| |
| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| |
| |
| #include "GrDrawTarget.h" |
| #include "GrContext.h" |
| #include "GrDrawTargetCaps.h" |
| #include "GrPath.h" |
| #include "GrRenderTarget.h" |
| #include "GrSurfacePriv.h" |
| #include "GrTemplates.h" |
| #include "GrTexture.h" |
| #include "GrVertexBuffer.h" |
| |
| #include "SkStrokeRec.h" |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| GrDrawTarget::DrawInfo& GrDrawTarget::DrawInfo::operator =(const DrawInfo& di) { |
| fPrimitiveType = di.fPrimitiveType; |
| fStartVertex = di.fStartVertex; |
| fStartIndex = di.fStartIndex; |
| fVertexCount = di.fVertexCount; |
| fIndexCount = di.fIndexCount; |
| |
| fInstanceCount = di.fInstanceCount; |
| fVerticesPerInstance = di.fVerticesPerInstance; |
| fIndicesPerInstance = di.fIndicesPerInstance; |
| |
| if (di.fDevBounds) { |
| SkASSERT(di.fDevBounds == &di.fDevBoundsStorage); |
| fDevBoundsStorage = di.fDevBoundsStorage; |
| fDevBounds = &fDevBoundsStorage; |
| } else { |
| fDevBounds = NULL; |
| } |
| |
| this->setVertexBuffer(di.vertexBuffer()); |
| this->setIndexBuffer(di.indexBuffer()); |
| |
| return *this; |
| } |
| |
| #ifdef SK_DEBUG |
| bool GrDrawTarget::DrawInfo::isInstanced() const { |
| if (fInstanceCount > 0) { |
| SkASSERT(0 == fIndexCount % fIndicesPerInstance); |
| SkASSERT(0 == fVertexCount % fVerticesPerInstance); |
| SkASSERT(fIndexCount / fIndicesPerInstance == fInstanceCount); |
| SkASSERT(fVertexCount / fVerticesPerInstance == fInstanceCount); |
| // there is no way to specify a non-zero start index to drawIndexedInstances(). |
| SkASSERT(0 == fStartIndex); |
| return true; |
| } else { |
| SkASSERT(!fVerticesPerInstance); |
| SkASSERT(!fIndicesPerInstance); |
| return false; |
| } |
| } |
| #endif |
| |
| void GrDrawTarget::DrawInfo::adjustInstanceCount(int instanceOffset) { |
| SkASSERT(this->isInstanced()); |
| SkASSERT(instanceOffset + fInstanceCount >= 0); |
| fInstanceCount += instanceOffset; |
| fVertexCount = fVerticesPerInstance * fInstanceCount; |
| fIndexCount = fIndicesPerInstance * fInstanceCount; |
| } |
| |
| void GrDrawTarget::DrawInfo::adjustStartVertex(int vertexOffset) { |
| fStartVertex += vertexOffset; |
| SkASSERT(fStartVertex >= 0); |
| } |
| |
| void GrDrawTarget::DrawInfo::adjustStartIndex(int indexOffset) { |
| SkASSERT(this->isIndexed()); |
| fStartIndex += indexOffset; |
| SkASSERT(fStartIndex >= 0); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| #define DEBUG_INVAL_BUFFER 0xdeadcafe |
| #define DEBUG_INVAL_START_IDX -1 |
| |
| GrDrawTarget::GrDrawTarget(GrContext* context) |
| : fClip(NULL) |
| , fContext(context) |
| , fGpuTraceMarkerCount(0) { |
| SkASSERT(context); |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.push_back(); |
| #ifdef SK_DEBUG |
| geoSrc.fVertexCount = DEBUG_INVAL_START_IDX; |
| geoSrc.fVertexBuffer = (GrVertexBuffer*)DEBUG_INVAL_BUFFER; |
| geoSrc.fIndexCount = DEBUG_INVAL_START_IDX; |
| geoSrc.fIndexBuffer = (GrIndexBuffer*)DEBUG_INVAL_BUFFER; |
| #endif |
| geoSrc.fVertexSrc = kNone_GeometrySrcType; |
| geoSrc.fIndexSrc = kNone_GeometrySrcType; |
| } |
| |
| GrDrawTarget::~GrDrawTarget() { |
| SkASSERT(1 == fGeoSrcStateStack.count()); |
| SkDEBUGCODE(GeometrySrcState& geoSrc = fGeoSrcStateStack.back()); |
| SkASSERT(kNone_GeometrySrcType == geoSrc.fIndexSrc); |
| SkASSERT(kNone_GeometrySrcType == geoSrc.fVertexSrc); |
| } |
| |
| void GrDrawTarget::releaseGeometry() { |
| int popCnt = fGeoSrcStateStack.count() - 1; |
| while (popCnt) { |
| this->popGeometrySource(); |
| --popCnt; |
| } |
| this->resetVertexSource(); |
| this->resetIndexSource(); |
| } |
| |
| void GrDrawTarget::setClip(const GrClipData* clip) { |
| fClip = clip; |
| } |
| |
| const GrClipData* GrDrawTarget::getClip() const { |
| return fClip; |
| } |
| |
| bool GrDrawTarget::reserveVertexSpace(size_t vertexSize, |
| int vertexCount, |
| void** vertices) { |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| bool acquired = false; |
| if (vertexCount > 0) { |
| SkASSERT(vertices); |
| this->releasePreviousVertexSource(); |
| geoSrc.fVertexSrc = kNone_GeometrySrcType; |
| |
| acquired = this->onReserveVertexSpace(vertexSize, |
| vertexCount, |
| vertices); |
| } |
| if (acquired) { |
| geoSrc.fVertexSrc = kReserved_GeometrySrcType; |
| geoSrc.fVertexCount = vertexCount; |
| geoSrc.fVertexSize = vertexSize; |
| } else if (vertices) { |
| *vertices = NULL; |
| } |
| return acquired; |
| } |
| |
| bool GrDrawTarget::reserveIndexSpace(int indexCount, |
| void** indices) { |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| bool acquired = false; |
| if (indexCount > 0) { |
| SkASSERT(indices); |
| this->releasePreviousIndexSource(); |
| geoSrc.fIndexSrc = kNone_GeometrySrcType; |
| |
| acquired = this->onReserveIndexSpace(indexCount, indices); |
| } |
| if (acquired) { |
| geoSrc.fIndexSrc = kReserved_GeometrySrcType; |
| geoSrc.fIndexCount = indexCount; |
| } else if (indices) { |
| *indices = NULL; |
| } |
| return acquired; |
| |
| } |
| |
| bool GrDrawTarget::reserveVertexAndIndexSpace(int vertexCount, |
| size_t vertexStride, |
| int indexCount, |
| void** vertices, |
| void** indices) { |
| this->willReserveVertexAndIndexSpace(vertexCount, vertexStride, indexCount); |
| if (vertexCount) { |
| if (!this->reserveVertexSpace(vertexStride, vertexCount, vertices)) { |
| if (indexCount) { |
| this->resetIndexSource(); |
| } |
| return false; |
| } |
| } |
| if (indexCount) { |
| if (!this->reserveIndexSpace(indexCount, indices)) { |
| if (vertexCount) { |
| this->resetVertexSource(); |
| } |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool GrDrawTarget::geometryHints(size_t vertexStride, |
| int32_t* vertexCount, |
| int32_t* indexCount) const { |
| if (vertexCount) { |
| *vertexCount = -1; |
| } |
| if (indexCount) { |
| *indexCount = -1; |
| } |
| return false; |
| } |
| |
| void GrDrawTarget::releasePreviousVertexSource() { |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| switch (geoSrc.fVertexSrc) { |
| case kNone_GeometrySrcType: |
| break; |
| case kReserved_GeometrySrcType: |
| this->releaseReservedVertexSpace(); |
| break; |
| case kBuffer_GeometrySrcType: |
| geoSrc.fVertexBuffer->unref(); |
| #ifdef SK_DEBUG |
| geoSrc.fVertexBuffer = (GrVertexBuffer*)DEBUG_INVAL_BUFFER; |
| #endif |
| break; |
| default: |
| SkFAIL("Unknown Vertex Source Type."); |
| break; |
| } |
| } |
| |
| void GrDrawTarget::releasePreviousIndexSource() { |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| switch (geoSrc.fIndexSrc) { |
| case kNone_GeometrySrcType: // these two don't require |
| break; |
| case kReserved_GeometrySrcType: |
| this->releaseReservedIndexSpace(); |
| break; |
| case kBuffer_GeometrySrcType: |
| geoSrc.fIndexBuffer->unref(); |
| #ifdef SK_DEBUG |
| geoSrc.fIndexBuffer = (GrIndexBuffer*)DEBUG_INVAL_BUFFER; |
| #endif |
| break; |
| default: |
| SkFAIL("Unknown Index Source Type."); |
| break; |
| } |
| } |
| |
| void GrDrawTarget::setVertexSourceToBuffer(const GrVertexBuffer* buffer, size_t vertexStride) { |
| this->releasePreviousVertexSource(); |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| geoSrc.fVertexSrc = kBuffer_GeometrySrcType; |
| geoSrc.fVertexBuffer = buffer; |
| buffer->ref(); |
| geoSrc.fVertexSize = vertexStride; |
| } |
| |
| void GrDrawTarget::setIndexSourceToBuffer(const GrIndexBuffer* buffer) { |
| this->releasePreviousIndexSource(); |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| geoSrc.fIndexSrc = kBuffer_GeometrySrcType; |
| geoSrc.fIndexBuffer = buffer; |
| buffer->ref(); |
| } |
| |
| void GrDrawTarget::resetVertexSource() { |
| this->releasePreviousVertexSource(); |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| geoSrc.fVertexSrc = kNone_GeometrySrcType; |
| } |
| |
| void GrDrawTarget::resetIndexSource() { |
| this->releasePreviousIndexSource(); |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| geoSrc.fIndexSrc = kNone_GeometrySrcType; |
| } |
| |
| void GrDrawTarget::pushGeometrySource() { |
| this->geometrySourceWillPush(); |
| GeometrySrcState& newState = fGeoSrcStateStack.push_back(); |
| newState.fIndexSrc = kNone_GeometrySrcType; |
| newState.fVertexSrc = kNone_GeometrySrcType; |
| #ifdef SK_DEBUG |
| newState.fVertexCount = ~0; |
| newState.fVertexBuffer = (GrVertexBuffer*)~0; |
| newState.fIndexCount = ~0; |
| newState.fIndexBuffer = (GrIndexBuffer*)~0; |
| #endif |
| } |
| |
| void GrDrawTarget::popGeometrySource() { |
| // if popping last element then pops are unbalanced with pushes |
| SkASSERT(fGeoSrcStateStack.count() > 1); |
| |
| this->geometrySourceWillPop(fGeoSrcStateStack.fromBack(1)); |
| this->releasePreviousVertexSource(); |
| this->releasePreviousIndexSource(); |
| fGeoSrcStateStack.pop_back(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| bool GrDrawTarget::checkDraw(const GrDrawState& drawState, |
| const GrGeometryProcessor* gp, |
| GrPrimitiveType type, |
| int startVertex, |
| int startIndex, |
| int vertexCount, |
| int indexCount) const { |
| #ifdef SK_DEBUG |
| const GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| int maxVertex = startVertex + vertexCount; |
| int maxValidVertex; |
| switch (geoSrc.fVertexSrc) { |
| case kNone_GeometrySrcType: |
| SkFAIL("Attempting to draw without vertex src."); |
| case kReserved_GeometrySrcType: // fallthrough |
| maxValidVertex = geoSrc.fVertexCount; |
| break; |
| case kBuffer_GeometrySrcType: |
| maxValidVertex = static_cast<int>(geoSrc.fVertexBuffer->gpuMemorySize() / geoSrc.fVertexSize); |
| break; |
| } |
| if (maxVertex > maxValidVertex) { |
| SkFAIL("Drawing outside valid vertex range."); |
| } |
| if (indexCount > 0) { |
| int maxIndex = startIndex + indexCount; |
| int maxValidIndex; |
| switch (geoSrc.fIndexSrc) { |
| case kNone_GeometrySrcType: |
| SkFAIL("Attempting to draw indexed geom without index src."); |
| case kReserved_GeometrySrcType: // fallthrough |
| maxValidIndex = geoSrc.fIndexCount; |
| break; |
| case kBuffer_GeometrySrcType: |
| maxValidIndex = static_cast<int>(geoSrc.fIndexBuffer->gpuMemorySize() / sizeof(uint16_t)); |
| break; |
| } |
| if (maxIndex > maxValidIndex) { |
| SkFAIL("Index reads outside valid index range."); |
| } |
| } |
| |
| SkASSERT(drawState.getRenderTarget()); |
| |
| if (gp) { |
| int numTextures = gp->numTextures(); |
| for (int t = 0; t < numTextures; ++t) { |
| GrTexture* texture = gp->texture(t); |
| SkASSERT(texture->asRenderTarget() != drawState.getRenderTarget()); |
| } |
| } |
| |
| for (int s = 0; s < drawState.numColorStages(); ++s) { |
| const GrProcessor* effect = drawState.getColorStage(s).processor(); |
| int numTextures = effect->numTextures(); |
| for (int t = 0; t < numTextures; ++t) { |
| GrTexture* texture = effect->texture(t); |
| SkASSERT(texture->asRenderTarget() != drawState.getRenderTarget()); |
| } |
| } |
| for (int s = 0; s < drawState.numCoverageStages(); ++s) { |
| const GrProcessor* effect = drawState.getCoverageStage(s).processor(); |
| int numTextures = effect->numTextures(); |
| for (int t = 0; t < numTextures; ++t) { |
| GrTexture* texture = effect->texture(t); |
| SkASSERT(texture->asRenderTarget() != drawState.getRenderTarget()); |
| } |
| } |
| |
| #endif |
| if (NULL == drawState.getRenderTarget()) { |
| return false; |
| } |
| return true; |
| } |
| |
| bool GrDrawTarget::setupDstReadIfNecessary(GrDrawState* ds, |
| const GrPrimitiveProcessor* primProc, |
| GrDeviceCoordTexture* dstCopy, |
| const SkRect* drawBounds) { |
| if (this->caps()->dstReadInShaderSupport() || !ds->willEffectReadDstColor(primProc)) { |
| return true; |
| } |
| SkIRect copyRect; |
| const GrClipData* clip = this->getClip(); |
| GrRenderTarget* rt = ds->getRenderTarget(); |
| clip->getConservativeBounds(rt, ©Rect); |
| |
| if (drawBounds) { |
| SkIRect drawIBounds; |
| drawBounds->roundOut(&drawIBounds); |
| if (!copyRect.intersect(drawIBounds)) { |
| #ifdef SK_DEBUG |
| SkDebugf("Missed an early reject. Bailing on draw from setupDstReadIfNecessary.\n"); |
| #endif |
| return false; |
| } |
| } else { |
| #ifdef SK_DEBUG |
| //SkDebugf("No dev bounds when dst copy is made.\n"); |
| #endif |
| } |
| |
| // MSAA consideration: When there is support for reading MSAA samples in the shader we could |
| // have per-sample dst values by making the copy multisampled. |
| GrSurfaceDesc desc; |
| this->initCopySurfaceDstDesc(rt, &desc); |
| desc.fWidth = copyRect.width(); |
| desc.fHeight = copyRect.height(); |
| |
| SkAutoTUnref<GrTexture> copy( |
| fContext->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch)); |
| |
| if (!copy) { |
| SkDebugf("Failed to create temporary copy of destination texture.\n"); |
| return false; |
| } |
| SkIPoint dstPoint = {0, 0}; |
| if (this->copySurface(copy, rt, copyRect, dstPoint)) { |
| dstCopy->setTexture(copy); |
| dstCopy->setOffset(copyRect.fLeft, copyRect.fTop); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| void GrDrawTarget::drawIndexed(GrDrawState* ds, |
| const GrGeometryProcessor* gp, |
| GrPrimitiveType type, |
| int startVertex, |
| int startIndex, |
| int vertexCount, |
| int indexCount, |
| const SkRect* devBounds) { |
| SkASSERT(ds); |
| if (indexCount > 0 && |
| this->checkDraw(*ds, gp, type, startVertex, startIndex, vertexCount, indexCount)) { |
| |
| // Setup clip |
| GrScissorState scissorState; |
| GrDrawState::AutoRestoreEffects are; |
| GrDrawState::AutoRestoreStencil ars; |
| if (!this->setupClip(ds, &are, &ars, &scissorState, devBounds)) { |
| return; |
| } |
| |
| DrawInfo info; |
| info.fPrimitiveType = type; |
| info.fStartVertex = startVertex; |
| info.fStartIndex = startIndex; |
| info.fVertexCount = vertexCount; |
| info.fIndexCount = indexCount; |
| |
| info.fInstanceCount = 0; |
| info.fVerticesPerInstance = 0; |
| info.fIndicesPerInstance = 0; |
| |
| if (devBounds) { |
| info.setDevBounds(*devBounds); |
| } |
| |
| // TODO: We should continue with incorrect blending. |
| GrDeviceCoordTexture dstCopy; |
| if (!this->setupDstReadIfNecessary(ds, gp, &dstCopy, devBounds)) { |
| return; |
| } |
| this->setDrawBuffers(&info, gp->getVertexStride()); |
| |
| this->onDraw(*ds, gp, info, scissorState, dstCopy.texture() ? &dstCopy : NULL); |
| } |
| } |
| |
| void GrDrawTarget::drawNonIndexed(GrDrawState* ds, |
| const GrGeometryProcessor* gp, |
| GrPrimitiveType type, |
| int startVertex, |
| int vertexCount, |
| const SkRect* devBounds) { |
| SkASSERT(ds); |
| if (vertexCount > 0 && this->checkDraw(*ds, gp, type, startVertex, -1, vertexCount, -1)) { |
| |
| // Setup clip |
| GrScissorState scissorState; |
| GrDrawState::AutoRestoreEffects are; |
| GrDrawState::AutoRestoreStencil ars; |
| if (!this->setupClip(ds, &are, &ars, &scissorState, devBounds)) { |
| return; |
| } |
| |
| DrawInfo info; |
| info.fPrimitiveType = type; |
| info.fStartVertex = startVertex; |
| info.fStartIndex = 0; |
| info.fVertexCount = vertexCount; |
| info.fIndexCount = 0; |
| |
| info.fInstanceCount = 0; |
| info.fVerticesPerInstance = 0; |
| info.fIndicesPerInstance = 0; |
| |
| if (devBounds) { |
| info.setDevBounds(*devBounds); |
| } |
| |
| // TODO: We should continue with incorrect blending. |
| GrDeviceCoordTexture dstCopy; |
| if (!this->setupDstReadIfNecessary(ds, gp, &dstCopy, devBounds)) { |
| return; |
| } |
| |
| this->setDrawBuffers(&info, gp->getVertexStride()); |
| |
| this->onDraw(*ds, gp, info, scissorState, dstCopy.texture() ? &dstCopy : NULL); |
| } |
| } |
| |
| static const GrStencilSettings& winding_path_stencil_settings() { |
| GR_STATIC_CONST_SAME_STENCIL_STRUCT(gSettings, |
| kIncClamp_StencilOp, |
| kIncClamp_StencilOp, |
| kAlwaysIfInClip_StencilFunc, |
| 0xFFFF, 0xFFFF, 0xFFFF); |
| return *GR_CONST_STENCIL_SETTINGS_PTR_FROM_STRUCT_PTR(&gSettings); |
| } |
| |
| static const GrStencilSettings& even_odd_path_stencil_settings() { |
| GR_STATIC_CONST_SAME_STENCIL_STRUCT(gSettings, |
| kInvert_StencilOp, |
| kInvert_StencilOp, |
| kAlwaysIfInClip_StencilFunc, |
| 0xFFFF, 0xFFFF, 0xFFFF); |
| return *GR_CONST_STENCIL_SETTINGS_PTR_FROM_STRUCT_PTR(&gSettings); |
| } |
| |
| void GrDrawTarget::getPathStencilSettingsForFilltype(GrPathRendering::FillType fill, |
| const GrStencilBuffer* sb, |
| GrStencilSettings* outStencilSettings) { |
| |
| switch (fill) { |
| default: |
| SkFAIL("Unexpected path fill."); |
| case GrPathRendering::kWinding_FillType: |
| *outStencilSettings = winding_path_stencil_settings(); |
| break; |
| case GrPathRendering::kEvenOdd_FillType: |
| *outStencilSettings = even_odd_path_stencil_settings(); |
| break; |
| } |
| this->clipMaskManager()->adjustPathStencilParams(sb, outStencilSettings); |
| } |
| |
| void GrDrawTarget::stencilPath(GrDrawState* ds, |
| const GrPathProcessor* pathProc, |
| const GrPath* path, |
| GrPathRendering::FillType fill) { |
| // TODO: extract portions of checkDraw that are relevant to path stenciling. |
| SkASSERT(path); |
| SkASSERT(this->caps()->pathRenderingSupport()); |
| SkASSERT(ds); |
| |
| // Setup clip |
| GrScissorState scissorState; |
| GrDrawState::AutoRestoreEffects are; |
| GrDrawState::AutoRestoreStencil ars; |
| if (!this->setupClip(ds, &are, &ars, &scissorState, NULL)) { |
| return; |
| } |
| |
| // set stencil settings for path |
| GrStencilSettings stencilSettings; |
| this->getPathStencilSettingsForFilltype(fill, |
| ds->getRenderTarget()->getStencilBuffer(), |
| &stencilSettings); |
| |
| this->onStencilPath(*ds, pathProc, path, scissorState, stencilSettings); |
| } |
| |
| void GrDrawTarget::drawPath(GrDrawState* ds, |
| const GrPathProcessor* pathProc, |
| const GrPath* path, |
| GrPathRendering::FillType fill) { |
| // TODO: extract portions of checkDraw that are relevant to path rendering. |
| SkASSERT(path); |
| SkASSERT(this->caps()->pathRenderingSupport()); |
| SkASSERT(ds); |
| |
| SkRect devBounds = path->getBounds(); |
| pathProc->viewMatrix().mapRect(&devBounds); |
| |
| // Setup clip |
| GrScissorState scissorState; |
| GrDrawState::AutoRestoreEffects are; |
| GrDrawState::AutoRestoreStencil ars; |
| if (!this->setupClip(ds, &are, &ars, &scissorState, &devBounds)) { |
| return; |
| } |
| |
| // set stencil settings for path |
| GrStencilSettings stencilSettings; |
| this->getPathStencilSettingsForFilltype(fill, |
| ds->getRenderTarget()->getStencilBuffer(), |
| &stencilSettings); |
| |
| GrDeviceCoordTexture dstCopy; |
| if (!this->setupDstReadIfNecessary(ds, pathProc, &dstCopy, &devBounds)) { |
| return; |
| } |
| |
| this->onDrawPath(*ds, pathProc, path, scissorState, stencilSettings, dstCopy.texture() ? &dstCopy : |
| NULL); |
| } |
| |
| void GrDrawTarget::drawPaths(GrDrawState* ds, |
| const GrPathProcessor* pathProc, |
| const GrPathRange* pathRange, |
| const void* indices, |
| PathIndexType indexType, |
| const float transformValues[], |
| PathTransformType transformType, |
| int count, |
| GrPathRendering::FillType fill) { |
| SkASSERT(this->caps()->pathRenderingSupport()); |
| SkASSERT(pathRange); |
| SkASSERT(indices); |
| SkASSERT(0 == reinterpret_cast<long>(indices) % GrPathRange::PathIndexSizeInBytes(indexType)); |
| SkASSERT(transformValues); |
| SkASSERT(ds); |
| |
| // Setup clip |
| GrScissorState scissorState; |
| GrDrawState::AutoRestoreEffects are; |
| GrDrawState::AutoRestoreStencil ars; |
| |
| if (!this->setupClip(ds, &are, &ars, &scissorState, NULL)) { |
| return; |
| } |
| |
| // set stencil settings for path |
| GrStencilSettings stencilSettings; |
| this->getPathStencilSettingsForFilltype(fill, |
| ds->getRenderTarget()->getStencilBuffer(), |
| &stencilSettings); |
| |
| // Don't compute a bounding box for setupDstReadIfNecessary(), we'll opt |
| // instead for it to just copy the entire dst. Realistically this is a moot |
| // point, because any context that supports NV_path_rendering will also |
| // support NV_blend_equation_advanced. |
| GrDeviceCoordTexture dstCopy; |
| if (!this->setupDstReadIfNecessary(ds, pathProc, &dstCopy, NULL)) { |
| return; |
| } |
| |
| this->onDrawPaths(*ds, pathProc, pathRange, indices, indexType, transformValues, transformType, |
| count, scissorState, stencilSettings, dstCopy.texture() ? &dstCopy : NULL); |
| } |
| |
| void GrDrawTarget::clear(const SkIRect* rect, |
| GrColor color, |
| bool canIgnoreRect, |
| GrRenderTarget* renderTarget) { |
| if (fCaps->useDrawInsteadOfClear()) { |
| // This works around a driver bug with clear by drawing a rect instead. |
| // The driver will ignore a clear if it is the only thing rendered to a |
| // target before the target is read. |
| SkIRect rtRect = SkIRect::MakeWH(renderTarget->width(), renderTarget->height()); |
| if (NULL == rect || canIgnoreRect || rect->contains(rtRect)) { |
| rect = &rtRect; |
| // We first issue a discard() since that may help tilers. |
| this->discard(renderTarget); |
| } |
| |
| GrDrawState drawState; |
| drawState.setRenderTarget(renderTarget); |
| |
| this->drawSimpleRect(&drawState, color, SkMatrix::I(), *rect); |
| } else { |
| this->onClear(rect, color, canIgnoreRect, renderTarget); |
| } |
| } |
| |
| typedef GrTraceMarkerSet::Iter TMIter; |
| void GrDrawTarget::saveActiveTraceMarkers() { |
| if (this->caps()->gpuTracingSupport()) { |
| SkASSERT(0 == fStoredTraceMarkers.count()); |
| fStoredTraceMarkers.addSet(fActiveTraceMarkers); |
| for (TMIter iter = fStoredTraceMarkers.begin(); iter != fStoredTraceMarkers.end(); ++iter) { |
| this->removeGpuTraceMarker(&(*iter)); |
| } |
| } |
| } |
| |
| void GrDrawTarget::restoreActiveTraceMarkers() { |
| if (this->caps()->gpuTracingSupport()) { |
| SkASSERT(0 == fActiveTraceMarkers.count()); |
| for (TMIter iter = fStoredTraceMarkers.begin(); iter != fStoredTraceMarkers.end(); ++iter) { |
| this->addGpuTraceMarker(&(*iter)); |
| } |
| for (TMIter iter = fActiveTraceMarkers.begin(); iter != fActiveTraceMarkers.end(); ++iter) { |
| this->fStoredTraceMarkers.remove(*iter); |
| } |
| } |
| } |
| |
| void GrDrawTarget::addGpuTraceMarker(const GrGpuTraceMarker* marker) { |
| if (this->caps()->gpuTracingSupport()) { |
| SkASSERT(fGpuTraceMarkerCount >= 0); |
| this->fActiveTraceMarkers.add(*marker); |
| ++fGpuTraceMarkerCount; |
| } |
| } |
| |
| void GrDrawTarget::removeGpuTraceMarker(const GrGpuTraceMarker* marker) { |
| if (this->caps()->gpuTracingSupport()) { |
| SkASSERT(fGpuTraceMarkerCount >= 1); |
| this->fActiveTraceMarkers.remove(*marker); |
| --fGpuTraceMarkerCount; |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| void GrDrawTarget::drawIndexedInstances(GrDrawState* ds, |
| const GrGeometryProcessor* gp, |
| GrPrimitiveType type, |
| int instanceCount, |
| int verticesPerInstance, |
| int indicesPerInstance, |
| const SkRect* devBounds) { |
| SkASSERT(ds); |
| |
| if (!verticesPerInstance || !indicesPerInstance) { |
| return; |
| } |
| |
| int maxInstancesPerDraw = this->indexCountInCurrentSource() / indicesPerInstance; |
| if (!maxInstancesPerDraw) { |
| return; |
| } |
| |
| // Setup clip |
| GrScissorState scissorState; |
| GrDrawState::AutoRestoreEffects are; |
| GrDrawState::AutoRestoreStencil ars; |
| if (!this->setupClip(ds, &are, &ars, &scissorState, devBounds)) { |
| return; |
| } |
| |
| DrawInfo info; |
| info.fPrimitiveType = type; |
| info.fStartIndex = 0; |
| info.fStartVertex = 0; |
| info.fIndicesPerInstance = indicesPerInstance; |
| info.fVerticesPerInstance = verticesPerInstance; |
| |
| // Set the same bounds for all the draws. |
| if (devBounds) { |
| info.setDevBounds(*devBounds); |
| } |
| |
| // TODO: We should continue with incorrect blending. |
| GrDeviceCoordTexture dstCopy; |
| if (!this->setupDstReadIfNecessary(ds, gp, &dstCopy, devBounds)) { |
| return; |
| } |
| |
| while (instanceCount) { |
| info.fInstanceCount = SkTMin(instanceCount, maxInstancesPerDraw); |
| info.fVertexCount = info.fInstanceCount * verticesPerInstance; |
| info.fIndexCount = info.fInstanceCount * indicesPerInstance; |
| |
| if (this->checkDraw(*ds, |
| gp, |
| type, |
| info.fStartVertex, |
| info.fStartIndex, |
| info.fVertexCount, |
| info.fIndexCount)) { |
| this->setDrawBuffers(&info, gp->getVertexStride()); |
| this->onDraw(*ds, gp, info, scissorState, dstCopy.texture() ? &dstCopy : NULL); |
| } |
| info.fStartVertex += info.fVertexCount; |
| instanceCount -= info.fInstanceCount; |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| GrDrawTarget::AutoReleaseGeometry::AutoReleaseGeometry( |
| GrDrawTarget* target, |
| int vertexCount, |
| size_t vertexStride, |
| int indexCount) { |
| fTarget = NULL; |
| this->set(target, vertexCount, vertexStride, indexCount); |
| } |
| |
| GrDrawTarget::AutoReleaseGeometry::AutoReleaseGeometry() { |
| fTarget = NULL; |
| } |
| |
| GrDrawTarget::AutoReleaseGeometry::~AutoReleaseGeometry() { |
| this->reset(); |
| } |
| |
| bool GrDrawTarget::AutoReleaseGeometry::set(GrDrawTarget* target, |
| int vertexCount, |
| size_t vertexStride, |
| int indexCount) { |
| this->reset(); |
| fTarget = target; |
| bool success = true; |
| if (fTarget) { |
| success = target->reserveVertexAndIndexSpace(vertexCount, |
| vertexStride, |
| indexCount, |
| &fVertices, |
| &fIndices); |
| if (!success) { |
| fTarget = NULL; |
| this->reset(); |
| } |
| } |
| SkASSERT(success == SkToBool(fTarget)); |
| return success; |
| } |
| |
| void GrDrawTarget::AutoReleaseGeometry::reset() { |
| if (fTarget) { |
| if (fVertices) { |
| fTarget->resetVertexSource(); |
| } |
| if (fIndices) { |
| fTarget->resetIndexSource(); |
| } |
| fTarget = NULL; |
| } |
| fVertices = NULL; |
| fIndices = NULL; |
| } |
| |
| GrDrawTarget::AutoClipRestore::AutoClipRestore(GrDrawTarget* target, const SkIRect& newClip) { |
| fTarget = target; |
| fClip = fTarget->getClip(); |
| fStack.init(); |
| fStack.get()->clipDevRect(newClip, SkRegion::kReplace_Op); |
| fReplacementClip.fClipStack = fStack.get(); |
| target->setClip(&fReplacementClip); |
| } |
| |
| namespace { |
| // returns true if the read/written rect intersects the src/dst and false if not. |
| bool clip_srcrect_and_dstpoint(const GrSurface* dst, |
| const GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint, |
| SkIRect* clippedSrcRect, |
| SkIPoint* clippedDstPoint) { |
| *clippedSrcRect = srcRect; |
| *clippedDstPoint = dstPoint; |
| |
| // clip the left edge to src and dst bounds, adjusting dstPoint if necessary |
| if (clippedSrcRect->fLeft < 0) { |
| clippedDstPoint->fX -= clippedSrcRect->fLeft; |
| clippedSrcRect->fLeft = 0; |
| } |
| if (clippedDstPoint->fX < 0) { |
| clippedSrcRect->fLeft -= clippedDstPoint->fX; |
| clippedDstPoint->fX = 0; |
| } |
| |
| // clip the top edge to src and dst bounds, adjusting dstPoint if necessary |
| if (clippedSrcRect->fTop < 0) { |
| clippedDstPoint->fY -= clippedSrcRect->fTop; |
| clippedSrcRect->fTop = 0; |
| } |
| if (clippedDstPoint->fY < 0) { |
| clippedSrcRect->fTop -= clippedDstPoint->fY; |
| clippedDstPoint->fY = 0; |
| } |
| |
| // clip the right edge to the src and dst bounds. |
| if (clippedSrcRect->fRight > src->width()) { |
| clippedSrcRect->fRight = src->width(); |
| } |
| if (clippedDstPoint->fX + clippedSrcRect->width() > dst->width()) { |
| clippedSrcRect->fRight = clippedSrcRect->fLeft + dst->width() - clippedDstPoint->fX; |
| } |
| |
| // clip the bottom edge to the src and dst bounds. |
| if (clippedSrcRect->fBottom > src->height()) { |
| clippedSrcRect->fBottom = src->height(); |
| } |
| if (clippedDstPoint->fY + clippedSrcRect->height() > dst->height()) { |
| clippedSrcRect->fBottom = clippedSrcRect->fTop + dst->height() - clippedDstPoint->fY; |
| } |
| |
| // The above clipping steps may have inverted the rect if it didn't intersect either the src or |
| // dst bounds. |
| return !clippedSrcRect->isEmpty(); |
| } |
| } |
| |
| bool GrDrawTarget::copySurface(GrSurface* dst, |
| GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| SkASSERT(dst); |
| SkASSERT(src); |
| |
| SkIRect clippedSrcRect; |
| SkIPoint clippedDstPoint; |
| // If the rect is outside the src or dst then we've already succeeded. |
| if (!clip_srcrect_and_dstpoint(dst, |
| src, |
| srcRect, |
| dstPoint, |
| &clippedSrcRect, |
| &clippedDstPoint)) { |
| return true; |
| } |
| |
| if (this->onCopySurface(dst, src, clippedSrcRect, clippedDstPoint)) { |
| return true; |
| } |
| |
| GrRenderTarget* rt = dst->asRenderTarget(); |
| GrTexture* tex = src->asTexture(); |
| |
| if ((dst == src) || !rt || !tex) { |
| return false; |
| } |
| |
| GrDrawState drawState; |
| drawState.setRenderTarget(rt); |
| SkMatrix matrix; |
| matrix.setTranslate(SkIntToScalar(clippedSrcRect.fLeft - clippedDstPoint.fX), |
| SkIntToScalar(clippedSrcRect.fTop - clippedDstPoint.fY)); |
| matrix.postIDiv(tex->width(), tex->height()); |
| drawState.addColorTextureProcessor(tex, matrix); |
| SkIRect dstRect = SkIRect::MakeXYWH(clippedDstPoint.fX, |
| clippedDstPoint.fY, |
| clippedSrcRect.width(), |
| clippedSrcRect.height()); |
| this->drawSimpleRect(&drawState, GrColor_WHITE, SkMatrix::I(), dstRect); |
| return true; |
| } |
| |
| bool GrDrawTarget::canCopySurface(const GrSurface* dst, |
| const GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| SkASSERT(dst); |
| SkASSERT(src); |
| |
| SkIRect clippedSrcRect; |
| SkIPoint clippedDstPoint; |
| // If the rect is outside the src or dst then we're guaranteed success |
| if (!clip_srcrect_and_dstpoint(dst, |
| src, |
| srcRect, |
| dstPoint, |
| &clippedSrcRect, |
| &clippedDstPoint)) { |
| return true; |
| } |
| return this->internalCanCopySurface(dst, src, clippedSrcRect, clippedDstPoint); |
| } |
| |
| bool GrDrawTarget::internalCanCopySurface(const GrSurface* dst, |
| const GrSurface* src, |
| const SkIRect& clippedSrcRect, |
| const SkIPoint& clippedDstPoint) { |
| // Check that the read/write rects are contained within the src/dst bounds. |
| SkASSERT(!clippedSrcRect.isEmpty()); |
| SkASSERT(SkIRect::MakeWH(src->width(), src->height()).contains(clippedSrcRect)); |
| SkASSERT(clippedDstPoint.fX >= 0 && clippedDstPoint.fY >= 0); |
| SkASSERT(clippedDstPoint.fX + clippedSrcRect.width() <= dst->width() && |
| clippedDstPoint.fY + clippedSrcRect.height() <= dst->height()); |
| |
| // The base class can do it as a draw or the subclass may be able to handle it. |
| return ((dst != src) && dst->asRenderTarget() && src->asTexture()) || |
| this->onCanCopySurface(dst, src, clippedSrcRect, clippedDstPoint); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void GrDrawTargetCaps::reset() { |
| fMipMapSupport = false; |
| fNPOTTextureTileSupport = false; |
| fTwoSidedStencilSupport = false; |
| fStencilWrapOpsSupport = false; |
| fHWAALineSupport = false; |
| fShaderDerivativeSupport = false; |
| fGeometryShaderSupport = false; |
| fDualSourceBlendingSupport = false; |
| fPathRenderingSupport = false; |
| fDstReadInShaderSupport = false; |
| fDiscardRenderTargetSupport = false; |
| fReuseScratchTextures = true; |
| fGpuTracingSupport = false; |
| fCompressedTexSubImageSupport = false; |
| |
| fUseDrawInsteadOfClear = false; |
| |
| fMapBufferFlags = kNone_MapFlags; |
| |
| fMaxRenderTargetSize = 0; |
| fMaxTextureSize = 0; |
| fMaxSampleCount = 0; |
| |
| fShaderPrecisionVaries = false; |
| |
| memset(fConfigRenderSupport, 0, sizeof(fConfigRenderSupport)); |
| memset(fConfigTextureSupport, 0, sizeof(fConfigTextureSupport)); |
| } |
| |
| GrDrawTargetCaps& GrDrawTargetCaps::operator=(const GrDrawTargetCaps& other) { |
| fMipMapSupport = other.fMipMapSupport; |
| fNPOTTextureTileSupport = other.fNPOTTextureTileSupport; |
| fTwoSidedStencilSupport = other.fTwoSidedStencilSupport; |
| fStencilWrapOpsSupport = other.fStencilWrapOpsSupport; |
| fHWAALineSupport = other.fHWAALineSupport; |
| fShaderDerivativeSupport = other.fShaderDerivativeSupport; |
| fGeometryShaderSupport = other.fGeometryShaderSupport; |
| fDualSourceBlendingSupport = other.fDualSourceBlendingSupport; |
| fPathRenderingSupport = other.fPathRenderingSupport; |
| fDstReadInShaderSupport = other.fDstReadInShaderSupport; |
| fDiscardRenderTargetSupport = other.fDiscardRenderTargetSupport; |
| fReuseScratchTextures = other.fReuseScratchTextures; |
| fGpuTracingSupport = other.fGpuTracingSupport; |
| fCompressedTexSubImageSupport = other.fCompressedTexSubImageSupport; |
| |
| fUseDrawInsteadOfClear = other.fUseDrawInsteadOfClear; |
| |
| fMapBufferFlags = other.fMapBufferFlags; |
| |
| fMaxRenderTargetSize = other.fMaxRenderTargetSize; |
| fMaxTextureSize = other.fMaxTextureSize; |
| fMaxSampleCount = other.fMaxSampleCount; |
| |
| memcpy(fConfigRenderSupport, other.fConfigRenderSupport, sizeof(fConfigRenderSupport)); |
| memcpy(fConfigTextureSupport, other.fConfigTextureSupport, sizeof(fConfigTextureSupport)); |
| |
| fShaderPrecisionVaries = other.fShaderPrecisionVaries; |
| for (int s = 0; s < kGrShaderTypeCount; ++s) { |
| for (int p = 0; p < kGrSLPrecisionCount; ++p) { |
| fFloatPrecisions[s][p] = other.fFloatPrecisions[s][p]; |
| } |
| } |
| return *this; |
| } |
| |
| static SkString map_flags_to_string(uint32_t flags) { |
| SkString str; |
| if (GrDrawTargetCaps::kNone_MapFlags == flags) { |
| str = "none"; |
| } else { |
| SkASSERT(GrDrawTargetCaps::kCanMap_MapFlag & flags); |
| SkDEBUGCODE(flags &= ~GrDrawTargetCaps::kCanMap_MapFlag); |
| str = "can_map"; |
| |
| if (GrDrawTargetCaps::kSubset_MapFlag & flags) { |
| str.append(" partial"); |
| } else { |
| str.append(" full"); |
| } |
| SkDEBUGCODE(flags &= ~GrDrawTargetCaps::kSubset_MapFlag); |
| } |
| SkASSERT(0 == flags); // Make sure we handled all the flags. |
| return str; |
| } |
| |
| static const char* shader_type_to_string(GrShaderType type) { |
| switch (type) { |
| case kVertex_GrShaderType: |
| return "vertex"; |
| case kGeometry_GrShaderType: |
| return "geometry"; |
| case kFragment_GrShaderType: |
| return "fragment"; |
| } |
| return ""; |
| } |
| |
| static const char* precision_to_string(GrSLPrecision p) { |
| switch (p) { |
| case kLow_GrSLPrecision: |
| return "low"; |
| case kMedium_GrSLPrecision: |
| return "medium"; |
| case kHigh_GrSLPrecision: |
| return "high"; |
| } |
| return ""; |
| } |
| |
| SkString GrDrawTargetCaps::dump() const { |
| SkString r; |
| static const char* gNY[] = {"NO", "YES"}; |
| r.appendf("MIP Map Support : %s\n", gNY[fMipMapSupport]); |
| r.appendf("NPOT Texture Tile Support : %s\n", gNY[fNPOTTextureTileSupport]); |
| r.appendf("Two Sided Stencil Support : %s\n", gNY[fTwoSidedStencilSupport]); |
| r.appendf("Stencil Wrap Ops Support : %s\n", gNY[fStencilWrapOpsSupport]); |
| r.appendf("HW AA Lines Support : %s\n", gNY[fHWAALineSupport]); |
| r.appendf("Shader Derivative Support : %s\n", gNY[fShaderDerivativeSupport]); |
| r.appendf("Geometry Shader Support : %s\n", gNY[fGeometryShaderSupport]); |
| r.appendf("Dual Source Blending Support : %s\n", gNY[fDualSourceBlendingSupport]); |
| r.appendf("Path Rendering Support : %s\n", gNY[fPathRenderingSupport]); |
| r.appendf("Dst Read In Shader Support : %s\n", gNY[fDstReadInShaderSupport]); |
| r.appendf("Discard Render Target Support : %s\n", gNY[fDiscardRenderTargetSupport]); |
| r.appendf("Reuse Scratch Textures : %s\n", gNY[fReuseScratchTextures]); |
| r.appendf("Gpu Tracing Support : %s\n", gNY[fGpuTracingSupport]); |
| r.appendf("Compressed Update Support : %s\n", gNY[fCompressedTexSubImageSupport]); |
| |
| r.appendf("Draw Instead of Clear [workaround] : %s\n", gNY[fUseDrawInsteadOfClear]); |
| |
| r.appendf("Max Texture Size : %d\n", fMaxTextureSize); |
| r.appendf("Max Render Target Size : %d\n", fMaxRenderTargetSize); |
| r.appendf("Max Sample Count : %d\n", fMaxSampleCount); |
| |
| r.appendf("Map Buffer Support : %s\n", |
| map_flags_to_string(fMapBufferFlags).c_str()); |
| |
| static const char* kConfigNames[] = { |
| "Unknown", // kUnknown_GrPixelConfig |
| "Alpha8", // kAlpha_8_GrPixelConfig, |
| "Index8", // kIndex_8_GrPixelConfig, |
| "RGB565", // kRGB_565_GrPixelConfig, |
| "RGBA444", // kRGBA_4444_GrPixelConfig, |
| "RGBA8888", // kRGBA_8888_GrPixelConfig, |
| "BGRA8888", // kBGRA_8888_GrPixelConfig, |
| "SRGBA8888",// kSRGBA_8888_GrPixelConfig, |
| "ETC1", // kETC1_GrPixelConfig, |
| "LATC", // kLATC_GrPixelConfig, |
| "R11EAC", // kR11_EAC_GrPixelConfig, |
| "ASTC12x12",// kASTC_12x12_GrPixelConfig, |
| "RGBAFloat",// kRGBA_float_GrPixelConfig |
| "AlphaHalf",// kAlpha_half_GrPixelConfig |
| }; |
| GR_STATIC_ASSERT(0 == kUnknown_GrPixelConfig); |
| GR_STATIC_ASSERT(1 == kAlpha_8_GrPixelConfig); |
| GR_STATIC_ASSERT(2 == kIndex_8_GrPixelConfig); |
| GR_STATIC_ASSERT(3 == kRGB_565_GrPixelConfig); |
| GR_STATIC_ASSERT(4 == kRGBA_4444_GrPixelConfig); |
| GR_STATIC_ASSERT(5 == kRGBA_8888_GrPixelConfig); |
| GR_STATIC_ASSERT(6 == kBGRA_8888_GrPixelConfig); |
| GR_STATIC_ASSERT(7 == kSRGBA_8888_GrPixelConfig); |
| GR_STATIC_ASSERT(8 == kETC1_GrPixelConfig); |
| GR_STATIC_ASSERT(9 == kLATC_GrPixelConfig); |
| GR_STATIC_ASSERT(10 == kR11_EAC_GrPixelConfig); |
| GR_STATIC_ASSERT(11 == kASTC_12x12_GrPixelConfig); |
| GR_STATIC_ASSERT(12 == kRGBA_float_GrPixelConfig); |
| GR_STATIC_ASSERT(13 == kAlpha_half_GrPixelConfig); |
| GR_STATIC_ASSERT(SK_ARRAY_COUNT(kConfigNames) == kGrPixelConfigCnt); |
| |
| SkASSERT(!fConfigRenderSupport[kUnknown_GrPixelConfig][0]); |
| SkASSERT(!fConfigRenderSupport[kUnknown_GrPixelConfig][1]); |
| |
| for (size_t i = 1; i < SK_ARRAY_COUNT(kConfigNames); ++i) { |
| r.appendf("%s is renderable: %s, with MSAA: %s\n", |
| kConfigNames[i], |
| gNY[fConfigRenderSupport[i][0]], |
| gNY[fConfigRenderSupport[i][1]]); |
| } |
| |
| SkASSERT(!fConfigTextureSupport[kUnknown_GrPixelConfig]); |
| |
| for (size_t i = 1; i < SK_ARRAY_COUNT(kConfigNames); ++i) { |
| r.appendf("%s is uploadable to a texture: %s\n", |
| kConfigNames[i], |
| gNY[fConfigTextureSupport[i]]); |
| } |
| |
| r.appendf("Shader Float Precisions (varies: %s):\n", gNY[fShaderPrecisionVaries]); |
| |
| for (int s = 0; s < kGrShaderTypeCount; ++s) { |
| GrShaderType shaderType = static_cast<GrShaderType>(s); |
| r.appendf("\t%s:\n", shader_type_to_string(shaderType)); |
| for (int p = 0; p < kGrSLPrecisionCount; ++p) { |
| if (fFloatPrecisions[s][p].supported()) { |
| GrSLPrecision precision = static_cast<GrSLPrecision>(p); |
| r.appendf("\t\t%s: log_low: %d log_high: %d bits: %d\n", |
| precision_to_string(precision), |
| fFloatPrecisions[s][p].fLogRangeLow, |
| fFloatPrecisions[s][p].fLogRangeHigh, |
| fFloatPrecisions[s][p].fBits); |
| } |
| } |
| } |
| |
| return r; |
| } |
| |
| uint32_t GrDrawTargetCaps::CreateUniqueID() { |
| static int32_t gUniqueID = SK_InvalidUniqueID; |
| uint32_t id; |
| do { |
| id = static_cast<uint32_t>(sk_atomic_inc(&gUniqueID) + 1); |
| } while (id == SK_InvalidUniqueID); |
| return id; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| bool GrClipTarget::setupClip(GrDrawState* ds, |
| GrDrawState::AutoRestoreEffects* are, |
| GrDrawState::AutoRestoreStencil* ars, |
| GrScissorState* scissorState, |
| const SkRect* devBounds) { |
| return fClipMaskManager.setupClipping(ds, |
| are, |
| ars, |
| scissorState, |
| this->getClip(), |
| devBounds); |
| } |