Add support for vertex and geometry shader textures

src/gpu/gl/GrGLCaps.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef GrGLCaps_DEFINED
 #define GrGLCaps_DEFINED
@@ skipping 236 matching lines @@
 
     /// What type of transfer buffer is supported?
     TransferBufferType transferBufferType() const { return fTransferBufferType; }
 
     /// The maximum number of fragment uniform vectors (GLES has min. 16).
     int maxFragmentUniformVectors() const { return fMaxFragmentUniformVectors; }
 
     /// maximum number of attribute values per vertex
     int maxVertexAttributes() const { return fMaxVertexAttributes; }
 
-    /// maximum number of texture units accessible in the fragment shader.
-    int maxFragmentTextureUnits() const { return fMaxFragmentTextureUnits; }
-
     /**
      * Depending on the ES extensions present the BGRA external format may
      * correspond to either a BGRA or RGBA internalFormat. On desktop GL it is
      * RGBA.
      */
     bool bgraIsInternalFormat() const;
 
     /// Is there support for GL_UNPACK_ROW_LENGTH
     bool unpackRowLengthSupport() const { return fUnpackRowLengthSupport; }
 
@@ skipping 49 matching lines @@
                              GrPixelConfig readConfig,
                              std::function<void (GrGLenum, GrGLint*)> getIntegerv,
                              std::function<bool ()> bindRenderTarget) const;
 
     bool isCoreProfile() const { return fIsCoreProfile; }
 
     bool bindFragDataLocationSupport() const { return fBindFragDataLocationSupport; }
 
     bool bindUniformLocationSupport() const { return fBindUniformLocationSupport; }
 
-    /// Are textures with GL_TEXTURE_EXTERNAL_OES type supported.
-    bool externalTextureSupport() const { return fExternalTextureSupport; }
-
     /// Are textures with GL_TEXTURE_RECTANGLE type supported.
     bool rectangleTextureSupport() const { return fRectangleTextureSupport; }
 
     /// GL_ARB_texture_swizzle
     bool textureSwizzleSupport() const { return fTextureSwizzleSupport; }
 
     /**
      * Is there support for enabling/disabling sRGB writes for sRGB-capable color attachments?
      * If false this does not mean sRGB is not supported but rather that if it is supported
      * it cannot be turned off for configs that support it.
@@ skipping 39 matching lines @@
     void initShaderPrecisionTable(const GrGLContextInfo& ctxInfo,
                                   const GrGLInterface* intf,
                                   GrGLSLCaps* glslCaps);
 
     GrGLStandard fStandard;
 
     SkTArray<StencilFormat, true> fStencilFormats;
 
     int fMaxFragmentUniformVectors;
     int fMaxVertexAttributes;
-    int fMaxFragmentTextureUnits;
 
     MSFBOType           fMSFBOType;
     InvalidateFBType    fInvalidateFBType;
     MapBufferType       fMapBufferType;
     TransferBufferType  fTransferBufferType;
 
     bool fUnpackRowLengthSupport : 1;
     bool fUnpackFlipYSupport : 1;
     bool fPackRowLengthSupport : 1;
     bool fPackFlipYSupport : 1;
     bool fTextureUsageSupport : 1;
     bool fTextureRedSupport : 1;
     bool fImagingSupport  : 1;
     bool fVertexArrayObjectSupport : 1;
     bool fDirectStateAccessSupport : 1;
     bool fDebugSupport : 1;
     bool fES2CompatibilitySupport : 1;
     bool fMultisampleDisableSupport : 1;
     bool fDrawIndirectSupport : 1;
     bool fMultiDrawIndirectSupport : 1;
     bool fBaseInstanceSupport : 1;
     bool fUseNonVBOVertexAndIndexDynamicData : 1;
     bool fIsCoreProfile : 1;
     bool fBindFragDataLocationSupport : 1;
     bool fSRGBWriteControl : 1;
     bool fRGBA8888PixelsOpsAreSlow : 1;
     bool fPartialFBOReadIsSlow : 1;
     bool fBindUniformLocationSupport : 1;
-    bool fExternalTextureSupport : 1;
     bool fRectangleTextureSupport : 1;
     bool fTextureSwizzleSupport : 1;
     bool fMipMapLevelAndLodControlSupport : 1;
 
     BlitFramebufferSupport fBlitFramebufferSupport;
 
     /** Number type of the components (with out considering number of bits.) */
     enum FormatType {
         kNormalizedFixedPoint_FormatType,
         kFloat_FormatType,
@@ skipping 61 matching lines @@
 
         GrSwizzle fSwizzle;
     };
 
     ConfigInfo fConfigTable[kGrPixelConfigCnt];
 
     typedef GrCaps INHERITED;
 };
 
 #endif