Move GLSL-specific routines/classes to separate glsl directory

src/gpu/gl/GrGLGpu.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGLGpu.h"
+#include "GrGLGLSL.h"
 #include "GrGLStencilAttachment.h"
 #include "GrGLTextureRenderTarget.h"
 #include "GrGpuResourcePriv.h"
 #include "GrPipeline.h"
 #include "GrRenderTargetPriv.h"
 #include "GrSurfacePriv.h"
 #include "GrTemplates.h"
 #include "GrTexturePriv.h"
 #include "GrTypes.h"
 #include "GrVertices.h"
 #include "builders/GrGLShaderStringBuilder.h"
+#include "glsl/GrGLSLCaps.h"
 #include "SkStrokeRec.h"
 #include "SkTemplates.h"
 
 #define GL_CALL(X) GR_GL_CALL(this->glInterface(), X)
 #define GL_CALL_RET(RET, X) GR_GL_CALL_RET(this->glInterface(), RET, X)
 
 #define SKIP_CACHE_CHECK    true
 
 #if GR_GL_CHECK_ALLOC_WITH_GET_ERROR
     #define CLEAR_ERROR_BEFORE_ALLOC(iface)   GrGLClearErr(iface)
@@ skipping 2699 matching lines @@
 
     if (can_blit_framebuffer(dst, src, this)) {
         return this->copySurfaceAsBlitFramebuffer(dst, src, srcRect, dstPoint);
     }
 
     return false;
 }
 
 
 void GrGLGpu::createCopyProgram() {
-    const char* version = GrGetGLSLVersionDecl(this->ctxInfo());
+    const char* version = GrGLGetGLSLVersionDecl(this->ctxInfo());
 
     GrGLShaderVar aVertex("a_vertex", kVec2f_GrSLType, GrShaderVar::kAttribute_TypeModifier);
     GrGLShaderVar uTexCoordXform("u_texCoordXform", kVec4f_GrSLType,
                                  GrShaderVar::kUniform_TypeModifier);
     GrGLShaderVar uPosXform("u_posXform", kVec4f_GrSLType, GrShaderVar::kUniform_TypeModifier);
     GrGLShaderVar uTexture("u_texture", kSampler2D_GrSLType, GrShaderVar::kUniform_TypeModifier);
     GrGLShaderVar vTexCoord("v_texCoord", kVec2f_GrSLType, GrShaderVar::kVaryingOut_TypeModifier);
     GrGLShaderVar oFragColor("o_FragColor", kVec4f_GrSLType, GrShaderVar::kOut_TypeModifier);
     
     SkString vshaderTxt(version);
     aVertex.appendDecl(this->ctxInfo(), &vshaderTxt);
     vshaderTxt.append(";");
     uTexCoordXform.appendDecl(this->ctxInfo(), &vshaderTxt);
     vshaderTxt.append(";");
     uPosXform.appendDecl(this->ctxInfo(), &vshaderTxt);
     vshaderTxt.append(";");
     vTexCoord.appendDecl(this->ctxInfo(), &vshaderTxt);
     vshaderTxt.append(";");
     
     vshaderTxt.append(
         "// Copy Program VS\n"
         "void main() {"
         "  v_texCoord = a_vertex.xy * u_texCoordXform.xy + u_texCoordXform.zw;"
         "  gl_Position.xy = a_vertex * u_posXform.xy + u_posXform.zw;"
         "  gl_Position.zw = vec2(0, 1);"
         "}"
     );
 
     SkString fshaderTxt(version);
-    GrGLSLAppendDefaultFloatPrecisionDeclaration(kDefault_GrSLPrecision, this->glStandard(),
-                                                 &fshaderTxt);
+    GrGLAppendGLSLDefaultFloatPrecisionDeclaration(kDefault_GrSLPrecision, this->glStandard(),
+                                                   &fshaderTxt);
     vTexCoord.setTypeModifier(GrShaderVar::kVaryingIn_TypeModifier);
     vTexCoord.appendDecl(this->ctxInfo(), &fshaderTxt);
     fshaderTxt.append(";");
     uTexture.appendDecl(this->ctxInfo(), &fshaderTxt);
     fshaderTxt.append(";");
     const char* fsOutName;
     if (this->glCaps().glslCaps()->mustDeclareFragmentShaderOutput()) {
         oFragColor.appendDecl(this->ctxInfo(), &fshaderTxt);
         fshaderTxt.append(";");
         fsOutName = oFragColor.c_str();
@@ skipping 322 matching lines @@
             this->setVertexArrayID(gpu, 0);
         }
         int attrCount = gpu->glCaps().maxVertexAttributes();
         if (fDefaultVertexArrayAttribState.count() != attrCount) {
             fDefaultVertexArrayAttribState.resize(attrCount);
         }
         attribState = &fDefaultVertexArrayAttribState;
     }
     return attribState;
 }