commit 9c0e629c64c0fa93ac9bf5c2eaa1821370a6fbe5
author krajcevski <krajcevski@google.com> Mon Jun 02 07:38:14 2014 -0700
committer Commit bot <commit-bot@chromium.org> Mon Jun 02 07:38:15 2014 -0700
tree 56cb6c4e0ffa6b72d3054f526d1ce3892fdbcf23
parent b30aa62294733c8dda1b7bbfa4fe9df688513e84

Initial work to get ETC1 data up to the GPU

Committed: http://code.google.com/p/skia/source/detail?r=15001

R=bsalomon@google.com, robertphillips@google.com

Author: krajcevski@google.com

Review URL: https://codereview.chromium.org/302783002

src/gpu/GrGpu.cpp

diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index 111f632..36a9cf1 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -110,25 +110,40 @@
 
 GrTexture* GrGpu::createTexture(const GrTextureDesc& desc,
                                 const void* srcData, size_t rowBytes) {
-    if (kUnknown_GrPixelConfig == desc.fConfig) {
+    if (!this->caps()->isConfigTexturable(desc.fConfig)) {
         return NULL;
     }
+
     if ((desc.fFlags & kRenderTarget_GrTextureFlagBit) &&
         !this->caps()->isConfigRenderable(desc.fConfig, desc.fSampleCnt > 0)) {
         return NULL;
     }
 
-    this->handleDirtyContext();
-    GrTexture* tex = this->onCreateTexture(desc, srcData, rowBytes);
-    if (NULL != tex &&
-        (kRenderTarget_GrTextureFlagBit & desc.fFlags) &&
-        !(kNoStencil_GrTextureFlagBit & desc.fFlags)) {
-        SkASSERT(NULL != tex->asRenderTarget());
-        // TODO: defer this and attach dynamically
-        if (!this->attachStencilBufferToRenderTarget(tex->asRenderTarget())) {
-            tex->unref();
+    GrTexture *tex = NULL;
+    if (GrPixelConfigIsCompressed(desc.fConfig)) {
+        // We shouldn't be rendering into this
+        SkASSERT((desc.fFlags & kRenderTarget_GrTextureFlagBit) == 0);
+
+        if (!this->caps()->npotTextureTileSupport() &&
+            (!GrIsPow2(desc.fWidth) || !GrIsPow2(desc.fHeight))) {
             return NULL;
         }
+        
+        this->handleDirtyContext();
+        tex = this->onCreateCompressedTexture(desc, srcData);
+    } else {
+        this->handleDirtyContext();
+        tex = this->onCreateTexture(desc, srcData, rowBytes);
+        if (NULL != tex &&
+            (kRenderTarget_GrTextureFlagBit & desc.fFlags) &&
+            !(kNoStencil_GrTextureFlagBit & desc.fFlags)) {
+            SkASSERT(NULL != tex->asRenderTarget());
+            // TODO: defer this and attach dynamically
+            if (!this->attachStencilBufferToRenderTarget(tex->asRenderTarget())) {
+                tex->unref();
+                return NULL;
+            }
+        }
     }
     return tex;
 }