Pretty print of shaders

src/gpu/gl/GrGLShaderBuilder.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gl/GrGLShaderBuilder.h"
 #include "gl/GrGLProgram.h"
 #include "gl/GrGLUniformHandle.h"
 #include "GrCoordTransform.h"
+#include "GrGLPrettyPrintSL.h"
 #include "GrDrawEffect.h"
 #include "GrGpuGL.h"
 #include "GrTexture.h"
 #include "SkRTConf.h"
 #include "SkTraceEvent.h"
 
 #define GL_CALL(X) GR_GL_CALL(this->gpu()->glInterface(), X)
 #define GL_CALL_RET(R, X) GR_GL_CALL_RET(this->gpu()->glInterface(), R, X)
 
 // number of each input/output type in a single allocation block
@@ skipping 704 matching lines @@
                               GrGLenum type,
                               const SkString& shaderSrc) {
     const GrGLInterface* gli = glCtx.interface();
 
     GrGLuint shaderId;
     GR_GL_CALL_RET(gli, shaderId, CreateShader(type));
     if (0 == shaderId) {
         return 0;
     }
 
+#ifdef SK_DEBUG
+    SkString prettySource = GrGLPrettyPrintSL::pretty_print_sl(shaderSrc, false);
+    const GrGLchar* sourceStr = prettySource.c_str();
+    GrGLint sourceLength = static_cast<GrGLint>(prettySource.size());
+#else
+    GrGLint sourceLength = static_cast<GrGLint>(shaderSrc.size());
     const GrGLchar* sourceStr = shaderSrc.c_str();
-    GrGLint sourceLength = static_cast<GrGLint>(shaderSrc.size());
+#endif
     GR_GL_CALL(gli, ShaderSource(shaderId, 1, &sourceStr, &sourceLength));
     GR_GL_CALL(gli, CompileShader(shaderId));
 
     // Calling GetShaderiv in Chromium is quite expensive. Assume success in release builds.
     bool checkCompiled = !glCtx.isChromium();
 #ifdef SK_DEBUG
     checkCompiled = true;
 #endif
     if (checkCompiled) {
         GrGLint compiled = GR_GL_INIT_ZERO;
         GR_GL_CALL(gli, GetShaderiv(shaderId, GR_GL_COMPILE_STATUS, &compiled));
 
         if (!compiled) {
             GrGLint infoLen = GR_GL_INIT_ZERO;
             GR_GL_CALL(gli, GetShaderiv(shaderId, GR_GL_INFO_LOG_LENGTH, &infoLen));
             SkAutoMalloc log(sizeof(char)*(infoLen+1)); // outside if for debugger
             if (infoLen > 0) {
                 // retrieve length even though we don't need it to workaround bug in Chromium cmd
                 // buffer param validation.
                 GrGLsizei length = GR_GL_INIT_ZERO;
                 GR_GL_CALL(gli, GetShaderInfoLog(shaderId, infoLen+1,
                                                  &length, (char*)log.get()));
-                GrPrintf(shaderSrc.c_str());
+                GrPrintf(GrGLPrettyPrintSL::pretty_print_sl(shaderSrc, true).c_str());
                 GrPrintf("\n%s", log.get());
             }
             SkDEBUGFAIL("Shader compilation failed!");
             GR_GL_CALL(gli, DeleteShader(shaderId));
             return 0;
         }
     }
 
     TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("skia.gpu"), "skia_gpu::GLShader",
                          TRACE_EVENT_SCOPE_THREAD, "shader", TRACE_STR_COPY(shaderSrc.c_str()));
+
     if (c_PrintShaders) {
-        GrPrintf(shaderSrc.c_str());
+        GrPrintf(GrGLPrettyPrintSL::pretty_print_sl(shaderSrc, true).c_str());
         GrPrintf("\n");
     }
 
     // Attach the shader, but defer deletion until after we have linked the program.
     // This works around a bug in the Android emulator's GLES2 wrapper which
     // will immediately delete the shader object and free its memory even though it's
     // attached to a program, which then causes glLinkProgram to fail.
     GR_GL_CALL(gli, AttachShader(programId, shaderId));
 
     return shaderId;
@@ skipping 314 matching lines @@
 
     GrGLPathTexGenProgramEffectsBuilder pathTexGenEffectsBuilder(this,
                                                                  effectCnt);
     this->INHERITED::createAndEmitEffects(&pathTexGenEffectsBuilder,
                                           effectStages,
                                           effectCnt,
                                           keyProvider,
                                           inOutFSColor);
     return pathTexGenEffectsBuilder.finish();
 }