Change GR_COMPRESS_ALPHA_MASK from compile-time flag to run-time flag

src/gpu/GrContext.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrContext.h"
@@ skipping 66 matching lines @@
     ~AutoCheckFlush() {
         if (fContext->fFlushToReduceCacheSize) {
             fContext->flush();
         }
     }
 
 private:
     GrContext* fContext;
 };
 
-GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext) {
+GrContext::Options::Options() 
+    : fDrawPathToCompressedTexture(false)
+{ }
+
+GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext,
+                             const Options* opts) {
     GrContext* context = SkNEW(GrContext);
-    if (context->init(backend, backendContext)) {
+
+    Options defaultOpts;
+    if (NULL == opts) {
+        opts = &defaultOpts;
+    }
+
+    if (context->init(backend, backendContext, *opts)) {
         return context;
     } else {
         context->unref();
         return NULL;
     }
 }
 
 GrContext::GrContext() {
     fDrawState = NULL;
     fGpu = NULL;
     fClip = NULL;
     fPathRendererChain = NULL;
     fSoftwarePathRenderer = NULL;
     fResourceCache = NULL;
     fFontCache = NULL;
     fDrawBuffer = NULL;
     fDrawBufferVBAllocPool = NULL;
     fDrawBufferIBAllocPool = NULL;
     fFlushToReduceCacheSize = false;
     fAARectRenderer = NULL;
     fOvalRenderer = NULL;
     fViewMatrix.reset();
     fMaxTextureSizeOverride = 1 << 20;
 }
 
-bool GrContext::init(GrBackend backend, GrBackendContext backendContext) {
+bool GrContext::init(GrBackend backend, GrBackendContext backendContext, const Options& opts) {
     SkASSERT(NULL == fGpu);
 
     fGpu = GrGpu::Create(backend, backendContext, this);
     if (NULL == fGpu) {
         return false;
     }
 
     fDrawState = SkNEW(GrDrawState);
     fGpu->setDrawState(fDrawState);
 
     fResourceCache = SkNEW_ARGS(GrResourceCache, (MAX_RESOURCE_CACHE_COUNT,
                                                   MAX_RESOURCE_CACHE_BYTES));
     fResourceCache->setOverbudgetCallback(OverbudgetCB, this);
 
     fFontCache = SkNEW_ARGS(GrFontCache, (fGpu));
 
     fLayerCache.reset(SkNEW_ARGS(GrLayerCache, (this)));
 
     fLastDrawWasBuffered = kNo_BufferedDraw;
 
     fAARectRenderer = SkNEW(GrAARectRenderer);
     fOvalRenderer = SkNEW(GrOvalRenderer);
 
     fDidTestPMConversions = false;
 
     this->setupDrawBuffer();
 
+    fSupportsDrawPathToCompressed = opts.fDrawPathToCompressedTexture;
+
     return true;
 }
 
 GrContext::~GrContext() {
     if (NULL == fGpu) {
         return;
     }
 
     this->flush();
 
@@ skipping 447 matching lines @@
 }
 
 int GrContext::getMaxRenderTargetSize() const {
     return fGpu->caps()->maxRenderTargetSize();
 }
 
 int GrContext::getMaxSampleCount() const {
     return fGpu->caps()->maxSampleCount();
 }
 
+bool GrContext::supportsDrawPathToCompressedTexture() const {
+    if (!(fGpu->caps()->compressedTexSubImageSupport())) {
+        return false;
+    }
+
+    return fSupportsDrawPathToCompressed;
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 
 GrTexture* GrContext::wrapBackendTexture(const GrBackendTextureDesc& desc) {
     return fGpu->wrapBackendTexture(desc);
 }
 
 GrRenderTarget* GrContext::wrapBackendRenderTarget(const GrBackendRenderTargetDesc& desc) {
     return fGpu->wrapBackendRenderTarget(desc);
 }
 
@@ skipping 1327 matching lines @@
         fDrawBuffer->removeGpuTraceMarker(marker);
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 #if GR_CACHE_STATS
 void GrContext::printCacheStats() const {
     fResourceCache->printStats();
 }
 #endif