Remove support for image load/store

This isn't used and has become a maintenance burden.

Change-Id: I5f3af8f91e5c4f073fe4ea30e0a7f1f61efeea47
Reviewed-on: https://skia-review.googlesource.com/70640
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

1 files changed, 3 insertions, 15 deletions

diff --git a/src/gpu/glsl/GrGLSLProgramBuilder.h b/src/gpu/glsl/GrGLSLProgramBuilder.h
index 83a437f84f..ac2d4965b5 100644
--- a/src/gpu/glsl/GrGLSLProgramBuilder.h
+++ b/src/gpu/glsl/GrGLSLProgramBuilder.h
@@ -31,7 +31,6 @@ public:
     using UniformHandle      = GrGLSLUniformHandler::UniformHandle;
     using SamplerHandle      = GrGLSLUniformHandler::SamplerHandle;
     using TexelBufferHandle  = GrGLSLUniformHandler::TexelBufferHandle;
-    using ImageStorageHandle = GrGLSLUniformHandler::ImageStorageHandle;
 
     virtual ~GrGLSLProgramBuilder() {}
 
@@ -57,10 +56,6 @@ public:
         return this->uniformHandler()->texelBufferVariable(handle);
     }
 
-    const GrShaderVar& imageStorageVariable(ImageStorageHandle handle) const {
-        return this->uniformHandler()->imageStorageVariable(handle);
-    }
-
     // Handles for program uniforms (other than per-effect uniforms)
     struct BuiltinUniformHandles {
         UniformHandle       fRTAdjustmentUni;
@@ -156,19 +151,15 @@ private:
                                     const SkString& input,
                                     SkString output);
     void emitAndInstallXferProc(const SkString& colorIn, const SkString& coverageIn);
-    void emitSamplersAndImageStorages(const GrResourceIOProcessor& processor,
-                                      SkTArray<SamplerHandle>* outTexSamplerHandles,
-                                      SkTArray<TexelBufferHandle>* outTexelBufferHandles,
-                                      SkTArray<ImageStorageHandle>* outImageStorageHandles);
+    void emitSamplers(const GrResourceIOProcessor& processor,
+                      SkTArray<SamplerHandle>* outTexSamplerHandles,
+                      SkTArray<TexelBufferHandle>* outTexelBufferHandles);
     SamplerHandle emitSampler(GrSLType samplerType, GrPixelConfig, const char* name,
                               GrShaderFlags visibility);
     TexelBufferHandle emitTexelBuffer(GrPixelConfig, const char* name, GrShaderFlags visibility);
-    ImageStorageHandle emitImageStorage(const GrResourceIOProcessor::ImageStorageAccess&,
-                                        const char* name);
     void emitFSOutputSwizzle(bool hasSecondaryOutput);
     void updateSamplerCounts(GrShaderFlags visibility);
     bool checkSamplerCounts();
-    bool checkImageStorageCounts();
 
 #ifdef SK_DEBUG
     void verify(const GrPrimitiveProcessor&);
@@ -181,9 +172,6 @@ private:
     int                         fNumVertexSamplers;
     int                         fNumGeometrySamplers;
     int                         fNumFragmentSamplers;
-    int                         fNumVertexImageStorages;
-    int                         fNumGeometryImageStorages;
-    int                         fNumFragmentImageStorages;
     SkSTArray<4, GrShaderVar>   fTransformedCoordVars;
 };