OptState owns program descriptor

src/gpu/gl/GrGpuGL.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGpuGL_DEFINED
 #define GrGpuGL_DEFINED
 
 #include "GrDrawState.h"
 #include "GrGLContext.h"
 #include "GrGLIRect.h"
 #include "GrGLIndexBuffer.h"
 #include "GrGLPathRendering.h"
 #include "GrGLProgram.h"
 #include "GrGLStencilBuffer.h"
 #include "GrGLTexture.h"
 #include "GrGLVertexArray.h"
 #include "GrGLVertexBuffer.h"
 #include "GrGpu.h"
+#include "GrOptDrawState.h"
 #include "SkTypes.h"
 
 #ifdef SK_DEVELOPER
 #define PROGRAM_CACHE_STATS
 #endif
 
 class GrGpuGL : public GrGpu {
 public:
     GrGpuGL(const GrGLContext& ctx, GrContext* context);
     virtual ~GrGpuGL();
@@ skipping 66 matching lines @@
     virtual bool onCopySurface(GrSurface* dst,
                                GrSurface* src,
                                const SkIRect& srcRect,
                                const SkIPoint& dstPoint) SK_OVERRIDE;
 
     virtual bool onCanCopySurface(GrSurface* dst,
                                   GrSurface* src,
                                   const SkIRect& srcRect,
                                   const SkIPoint& dstPoint) SK_OVERRIDE;
 
+    virtual void buildKey(const GrOptDrawState* optState,

[bsalomon, 2014/10/23 18:10:29]

This name seems vague. buildProgramDesc?

+                          GrGpu::DrawType drawType,
+                          const GrDeviceCoordTexture* dstCopy,
+                          GrProgramDesc* desc) SK_OVERRIDE;
+
 private:
     // GrGpu overrides
     virtual void onResetContext(uint32_t resetBits) SK_OVERRIDE;
 
     virtual GrTexture* onCreateTexture(const GrTextureDesc& desc,
                                        const void* srcData,
                                        size_t rowBytes) SK_OVERRIDE;
     virtual GrTexture* onCreateCompressedTexture(const GrTextureDesc& desc,
                                                  const void* srcData) SK_OVERRIDE;
     virtual GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) SK_OVERRIDE;
@@ skipping 54 matching lines @@
     bool hasExtension(const char* ext) const { return fGLContext.hasExtension(ext); }
 
     static bool BlendCoeffReferencesConstant(GrBlendCoeff coeff);
 
     class ProgramCache : public ::SkNoncopyable {
     public:
         ProgramCache(GrGpuGL* gpu);
         ~ProgramCache();
 
         void abandon();
-        GrGLProgram* getProgram(const GrOptDrawState&,
-                                const GrGLProgramDesc&,
-                                DrawType);
+        GrGLProgram* getProgram(const GrOptDrawState&, DrawType);
 
     private:
         enum {
             // We may actually have kMaxEntries+1 shaders in the GL context because we create a new
             // shader before evicting from the cache.
             kMaxEntries = 128,
             kHashBits = 6,
         };
 
         struct Entry;
 
         struct ProgDescLess;
 
         // binary search for entry matching desc. returns index into fEntries that matches desc or ~
         // of the index of where it should be inserted.
-        int search(const GrGLProgramDesc& desc) const;
+        int search(const GrProgramDesc& desc) const;
 
         // sorted array of all the entries
         Entry*                      fEntries[kMaxEntries];
         // hash table based on lowest kHashBits bits of the program key. Used to avoid binary
         // searching fEntries.
         Entry*                      fHashTable[1 << kHashBits];
 
         int                         fCount;
         unsigned int                fCurrLRUStamp;
         GrGpuGL*                    fGpu;
@@ skipping 229 matching lines @@
 
     // we record what stencil format worked last time to hopefully exit early
     // from our loop that tries stencil formats and calls check fb status.
     int fLastSuccessfulStencilFmtIdx;
 
     typedef GrGpu INHERITED;
     friend class GrGLPathRendering; // For accessing setTextureUnit.
 };
 
 #endif