Initial work to get ETC1 data up to the GPU

src/gpu/GrGpu.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 "GrGpu.h"
@@ skipping 115 matching lines @@
         SkASSERT(NULL != tex->asRenderTarget());
         // TODO: defer this and attach dynamically
         if (!this->attachStencilBufferToRenderTarget(tex->asRenderTarget())) {
             tex->unref();
             return NULL;
         }
     }
     return tex;
 }
 
+GrTexture* GrGpu::createCompressedTexture(const GrTextureDesc& desc,
+                                          const void* srcData, GrCompressedFormat format) {
+    if (kUnknown_GrPixelConfig == desc.fConfig) {
+        return NULL;
+    }
+    if (desc.fFlags & kRenderTarget_GrTextureFlagBit) {
+        return NULL;
+    }
+
+    // Do we support this format?
+    if (!this->caps()->compressedTextureSupport(format)) {
+        return NULL;
+    }
+
+    this->handleDirtyContext();
+    return this->onCreateCompressedTexture(desc, srcData, format);
+}
+
 bool GrGpu::attachStencilBufferToRenderTarget(GrRenderTarget* rt) {
     SkASSERT(NULL == rt->getStencilBuffer());
     GrStencilBuffer* sb =
         this->getContext()->findStencilBuffer(rt->width(),
                                               rt->height(),
                                               rt->numSamples());
     if (NULL != sb) {
         rt->setStencilBuffer(sb);
         bool attached = this->attachStencilBufferToRenderTarget(sb, rt);
         if (!attached) {
@@ skipping 404 matching lines @@
 }
 
 void GrGpu::releaseIndexArray() {
     // if index source was array, we stowed data in the pool
     const GeometrySrcState& geoSrc = this->getGeomSrc();
     SkASSERT(kArray_GeometrySrcType == geoSrc.fIndexSrc);
     size_t bytes = geoSrc.fIndexCount * sizeof(uint16_t);
     fIndexPool->putBack(bytes);
     --fIndexPoolUseCnt;
 }