Stretch small textures up to 16 pixels on PowerVR 54x

include/gpu/GrCaps.h

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef GrCaps_DEFINED
 #define GrCaps_DEFINED
 
@@ skipping 162 matching lines @@
     uint32_t mapBufferFlags() const { return fMapBufferFlags; }
 
     // Scratch textures not being reused means that those scratch textures
     // that we upload to (i.e., don't have a render target) will not be
     // recycled in the texture cache. This is to prevent ghosting by drivers
     // (in particular for deferred architectures).
     bool reuseScratchTextures() const { return fReuseScratchTextures; }
 
     int maxRenderTargetSize() const { return fMaxRenderTargetSize; }
     int maxTextureSize() const { return fMaxTextureSize; }
+    /** 0 unless GPU has problems with small textures */
+    int minTextureSize() const { return fMinTextureSize; }
+
     // Will be 0 if MSAA is not supported
     int maxSampleCount() const { return fMaxSampleCount; }
 
     bool isConfigRenderable(GrPixelConfig config, bool withMSAA) const {
         SkASSERT(kGrPixelConfigCnt > config);
         return fConfigRenderSupport[config][withMSAA];
     }
 
     bool isConfigTexturable(GrPixelConfig config) const {
         SkASSERT(kGrPixelConfigCnt > config);
@@ skipping 29 matching lines @@
     bool fOversizedStencilSupport       : 1;
     bool fTextureBarrierSupport         : 1;
     // Driver workaround
     bool fUseDrawInsteadOfClear         : 1;
 
     BlendEquationSupport fBlendEquationSupport;
     uint32_t fMapBufferFlags;
 
     int fMaxRenderTargetSize;
     int fMaxTextureSize;
+    int fMinTextureSize;
     int fMaxSampleCount;
 
     // The first entry for each config is without msaa and the second is with.
     bool fConfigRenderSupport[kGrPixelConfigCnt][2];
     bool fConfigTextureSupport[kGrPixelConfigCnt];
 
 private:
     bool fSupressPrints : 1;
     bool fDrawPathMasksToCompressedTextureSupport : 1;
     size_t fGeometryBufferMapThreshold;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif