Pass in ProcOptInfos into willNeedDstCopy on XPs

src/gpu/GrDrawTarget.cpp

 
 /*
  * 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 "GrBatch.h"
 #include "GrContext.h"
 #include "GrDrawTargetCaps.h"
 #include "GrPath.h"
+#include "GrPipeline.h"
 #include "GrRenderTarget.h"
 #include "GrSurfacePriv.h"
 #include "GrTemplates.h"
 #include "GrTexture.h"
 #include "GrVertexBuffer.h"
 
 #include "SkStrokeRec.h"
 
 ////////////////////////////////////////////////////////////////////////////////
 
@@ skipping 353 matching lines @@
     }
 
 #endif
     if (NULL == pipelineBuilder.getRenderTarget()) {
         return false;
     }
     return true;
 }
 
 bool GrDrawTarget::setupDstReadIfNecessary(const GrPipelineBuilder& pipelineBuilder,
+                                           const GrProcOptInfo& colorPOI,
+                                           const GrProcOptInfo& coveragePOI,
                                            GrDeviceCoordTexture* dstCopy,
                                            const SkRect* drawBounds) {
-    if (!pipelineBuilder.willXPNeedDstCopy(*this->caps())) {
+    if (!pipelineBuilder.willXPNeedDstCopy(*this->caps(), colorPOI, coveragePOI)) {
         return true;
     }
     SkIRect copyRect;
     const GrClipData* clip = this->getClip();
     GrRenderTarget* rt = pipelineBuilder.getRenderTarget();
     clip->getConservativeBounds(rt, &copyRect);
 
     if (drawBounds) {
         SkIRect drawIBounds;
         drawBounds->roundOut(&drawIBounds);
@@ skipping 62 matching lines @@
         info.fIndexCount    = indexCount;
 
         info.fInstanceCount         = 0;
         info.fVerticesPerInstance   = 0;
         info.fIndicesPerInstance    = 0;
 
         if (devBounds) {
             info.setDevBounds(*devBounds);
         }
 
+        GrDrawTarget::PipelineInfo pipelineInfo(pipelineBuilder, &scissorState, gp, devBounds,
+                                                this);
+        if (pipelineInfo.mustSkipDraw()) {
+            return;
+        }
+
         this->setDrawBuffers(&info, gp->getVertexStride());
 
-        this->onDraw(*pipelineBuilder, gp, info, scissorState);
+        this->onDraw(gp, info, pipelineInfo);
     }
 }
 
 void GrDrawTarget::drawNonIndexed(GrPipelineBuilder* pipelineBuilder,
                                   const GrGeometryProcessor* gp,
                                   GrPrimitiveType type,
                                   int startVertex,
                                   int vertexCount,
                                   const SkRect* devBounds) {
     SkASSERT(pipelineBuilder);
@@ skipping 16 matching lines @@
         info.fIndexCount    = 0;
 
         info.fInstanceCount         = 0;
         info.fVerticesPerInstance   = 0;
         info.fIndicesPerInstance    = 0;
 
         if (devBounds) {
             info.setDevBounds(*devBounds);
         }
 
+        GrDrawTarget::PipelineInfo pipelineInfo(pipelineBuilder, &scissorState, gp, devBounds,
+                                                this);
+        if (pipelineInfo.mustSkipDraw()) {
+            return;
+        }
+
         this->setDrawBuffers(&info, gp->getVertexStride());
 
-        this->onDraw(*pipelineBuilder, gp, info, scissorState);
+        this->onDraw(gp, info, pipelineInfo);
     }
 }
 
 
 void GrDrawTarget::drawBatch(GrPipelineBuilder* pipelineBuilder,
                              GrBatch* batch,
                              const SkRect* devBounds) {
     SkASSERT(pipelineBuilder);
     // TODO some kind of checkdraw, but not at this level
 
     // Setup clip
     GrScissorState scissorState;
     GrPipelineBuilder::AutoRestoreEffects are;
     GrPipelineBuilder::AutoRestoreStencil ars;
     if (!this->setupClip(pipelineBuilder, &are, &ars, &scissorState, devBounds)) {
         return;
     }
 
-    this->onDrawBatch(batch, *pipelineBuilder, scissorState, devBounds);
+    // init batch and my other crap
+    GrBatchOpt batchOpt;
+    batchOpt.fCanTweakAlphaForCoverage = pipelineBuilder->canTweakAlphaForCoverage();
+    batch->initBatchOpt(batchOpt);
+
+    GrDrawTarget::PipelineInfo pipelineInfo(pipelineBuilder, &scissorState, batch, devBounds, this);
+    if (pipelineInfo.mustSkipDraw()) {
+        return;
+    }
+
+    this->onDrawBatch(batch, pipelineInfo);
 }
 
 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);
 }
@@ skipping 69 matching lines @@
     if (!this->setupClip(pipelineBuilder, &are, &ars, &scissorState, &devBounds)) {
        return;
     }
 
     // set stencil settings for path
     GrStencilSettings stencilSettings;
     this->getPathStencilSettingsForFilltype(fill,
                                             pipelineBuilder->getRenderTarget()->getStencilBuffer(),
                                             &stencilSettings);
 
-    this->onDrawPath(*pipelineBuilder, pathProc, path, scissorState, stencilSettings,
-                     &devBounds);
+    GrDrawTarget::PipelineInfo pipelineInfo(pipelineBuilder, &scissorState, pathProc, &devBounds,
+                                            this);
+    if (pipelineInfo.mustSkipDraw()) {
+        return;
+    }
+
+    this->onDrawPath(pathProc, path, stencilSettings, pipelineInfo);
 }
 
 void GrDrawTarget::drawPaths(GrPipelineBuilder* pipelineBuilder,
                              const GrPathProcessor* pathProc,
                              const GrPathRange* pathRange,
                              const void* indices,
                              PathIndexType indexType,
                              const float transformValues[],
                              PathTransformType transformType,
                              int count,
@@ skipping 17 matching lines @@
     // set stencil settings for path
     GrStencilSettings stencilSettings;
     this->getPathStencilSettingsForFilltype(fill,
                                             pipelineBuilder->getRenderTarget()->getStencilBuffer(),
                                             &stencilSettings);
 
     // Don't compute a bounding box for dst copy texture, 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.
-    this->onDrawPaths(*pipelineBuilder, pathProc, pathRange, indices, indexType, transformValues,
-                      transformType, count, scissorState, stencilSettings, NULL);
+    GrDrawTarget::PipelineInfo pipelineInfo(pipelineBuilder, &scissorState, pathProc, NULL, this);
+    if (pipelineInfo.mustSkipDraw()) {
+        return;
+    }
+
+    this->onDrawPaths(pathProc, pathRange, indices, indexType, transformValues,
+                      transformType, count, stencilSettings, pipelineInfo);
 }
 
 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.
@@ skipping 97 matching lines @@
         info.fVertexCount = info.fInstanceCount * verticesPerInstance;
         info.fIndexCount = info.fInstanceCount * indicesPerInstance;
 
         if (this->checkDraw(*pipelineBuilder,
                             gp,
                             type,
                             info.fStartVertex,
                             info.fStartIndex,
                             info.fVertexCount,
                             info.fIndexCount)) {
+
+            GrDrawTarget::PipelineInfo pipelineInfo(pipelineBuilder, &scissorState, gp, devBounds,
+                                                    this);
+            if (pipelineInfo.mustSkipDraw()) {
+                return;
+            }
+
             this->setDrawBuffers(&info, gp->getVertexStride());
-            this->onDraw(*pipelineBuilder, gp, info, scissorState);
+            this->onDraw(gp, info, pipelineInfo);
         }
         info.fStartVertex += info.fVertexCount;
         instanceCount -= info.fInstanceCount;
     }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 GrDrawTarget::AutoReleaseGeometry::AutoReleaseGeometry(
                                          GrDrawTarget*  target,
@@ skipping 185 matching lines @@
     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 GrDrawTarget::setupPipeline(const PipelineInfo& pipelineInfo,
+                                 GrPipeline* pipeline) {
+    SkNEW_PLACEMENT_ARGS(pipeline, GrPipeline, (*pipelineInfo.fPipelineBuilder,
+                                                pipelineInfo.fColorPOI,
+                                                pipelineInfo.fCoveragePOI,
+                                                *this->caps(),
+                                                *pipelineInfo.fScissor,
+                                                &pipelineInfo.fDstCopy));
+}
+///////////////////////////////////////////////////////////////////////////////
+
+GrDrawTarget::PipelineInfo::PipelineInfo(GrPipelineBuilder* pipelineBuilder,
+                                         GrScissorState* scissor,
+                                         const GrPrimitiveProcessor* primProc,
+                                         const SkRect* devBounds,
+                                         GrDrawTarget* target)
+    : fPipelineBuilder(pipelineBuilder)
+    , fScissor(scissor) {
+    fColorPOI = fPipelineBuilder->colorProcInfo(primProc);
+    fCoveragePOI = fPipelineBuilder->coverageProcInfo(primProc);
+    if (!target->setupDstReadIfNecessary(*fPipelineBuilder, fColorPOI, fCoveragePOI,
+                                         &fDstCopy, devBounds)) {
+        fPipelineBuilder = NULL;
+    }
+}
+
+GrDrawTarget::PipelineInfo::PipelineInfo(GrPipelineBuilder* pipelineBuilder,
+                                         GrScissorState* scissor,
+                                         const GrBatch* batch,
+                                         const SkRect* devBounds,
+                                         GrDrawTarget* target)
+    : fPipelineBuilder(pipelineBuilder)
+    , fScissor(scissor) {
+    fColorPOI = fPipelineBuilder->colorProcInfo(batch);
+    fCoveragePOI = fPipelineBuilder->coverageProcInfo(batch);
+    if (!target->setupDstReadIfNecessary(*fPipelineBuilder, fColorPOI, fCoveragePOI,
+                                         &fDstCopy, devBounds)) {
+        fPipelineBuilder = NULL;
+    }
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 
 void GrDrawTargetCaps::reset() {
     fMipMapSupport = false;
     fNPOTTextureTileSupport = false;
     fTwoSidedStencilSupport = false;
     fStencilWrapOpsSupport = false;
     fHWAALineSupport = false;
     fShaderDerivativeSupport = false;
     fGeometryShaderSupport = false;
@@ skipping 212 matching lines @@
                              GrPipelineBuilder::AutoRestoreStencil* ars,
                              GrScissorState* scissorState,
                              const SkRect* devBounds) {
     return fClipMaskManager.setupClipping(pipelineBuilder,
                                           are,
                                           ars,
                                           scissorState,
                                           this->getClip(),
                                           devBounds);
 }