Upstream version 10.39.225.0

[platform/framework/web/crosswalk.git] / src / third_party / skia / src / gpu / gl / GrGLSL.cpp

diff --git a/src/third_party/skia/src/gpu/gl/GrGLSL.cpp b/src/third_party/skia/src/gpu/gl/GrGLSL.cpp
index 0f740d9..6c8f883 100644 (file)
--- a/src/third_party/skia/src/gpu/gl/GrGLSL.cpp
+++ b/src/third_party/skia/src/gpu/gl/GrGLSL.cpp
@@ -9,56 +9,62 @@
 #include "GrGLShaderVar.h"
 #include "SkString.h"
 
-GrGLSLGeneration GrGetGLSLGeneration(GrGLBinding binding, const GrGLInterface* gl) {
+bool GrGetGLSLGeneration(const GrGLInterface* gl, GrGLSLGeneration* generation) {
+    SkASSERT(generation);
     GrGLSLVersion ver = GrGLGetGLSLVersion(gl);
-    switch (binding) {
-        case kDesktop_GrGLBinding:
+    if (GR_GLSL_INVALID_VER == ver) {
+        return false;
+    }
+    switch (gl->fStandard) {
+        case kGL_GrGLStandard:
             SkASSERT(ver >= GR_GLSL_VER(1,10));
             if (ver >= GR_GLSL_VER(1,50)) {
-                return k150_GrGLSLGeneration;
+                *generation = k150_GrGLSLGeneration;
             } else if (ver >= GR_GLSL_VER(1,40)) {
-                return k140_GrGLSLGeneration;
+                *generation = k140_GrGLSLGeneration;
             } else if (ver >= GR_GLSL_VER(1,30)) {
-                return k130_GrGLSLGeneration;
+                *generation = k130_GrGLSLGeneration;
             } else {
-                return k110_GrGLSLGeneration;
+                *generation = k110_GrGLSLGeneration;
             }
-        case kES_GrGLBinding:
+            return true;
+        case kGLES_GrGLStandard:
             // version 1.00 of ES GLSL based on ver 1.20 of desktop GLSL
             SkASSERT(ver >= GR_GL_VER(1,00));
-            return k110_GrGLSLGeneration;
+            *generation = k110_GrGLSLGeneration;
+            return true;
         default:
-            GrCrash("Unknown GL Binding");
-            return k110_GrGLSLGeneration; // suppress warning
+            SkFAIL("Unknown GL Standard");
+            return false;
     }
 }
 
 const char* GrGetGLSLVersionDecl(const GrGLContextInfo& info) {
     switch (info.glslGeneration()) {
         case k110_GrGLSLGeneration:
-            if (kES_GrGLBinding == info.binding()) {
+            if (kGLES_GrGLStandard == info.standard()) {
                 // ES2s shader language is based on version 1.20 but is version
                 // 1.00 of the ES language.
                 return "#version 100\n";
             } else {
-                SkASSERT(kDesktop_GrGLBinding == info.binding());
+                SkASSERT(kGL_GrGLStandard == info.standard());
                 return "#version 110\n";
             }
         case k130_GrGLSLGeneration:
-            SkASSERT(kDesktop_GrGLBinding == info.binding());
+            SkASSERT(kGL_GrGLStandard == info.standard());
             return "#version 130\n";
         case k140_GrGLSLGeneration:
-            SkASSERT(kDesktop_GrGLBinding == info.binding());
+            SkASSERT(kGL_GrGLStandard == info.standard());
             return "#version 140\n";
         case k150_GrGLSLGeneration:
-            SkASSERT(kDesktop_GrGLBinding == info.binding());
+            SkASSERT(kGL_GrGLStandard == info.standard());
             if (info.caps()->isCoreProfile()) {
                 return "#version 150\n";
             } else {
                 return "#version 150 compatibility\n";
             }
         default:
-            GrCrash("Unknown GL version.");
+            SkFAIL("Unknown GL version.");
             return ""; // suppress warning
     }
 }
@@ -67,7 +73,7 @@ namespace {
     void append_tabs(SkString* outAppend, int tabCnt) {
         static const char kTabs[] = "\t\t\t\t\t\t\t\t";
         while (tabCnt) {
-            int cnt = GrMin((int)GR_ARRAY_COUNT(kTabs), tabCnt);
+            int cnt = SkTMin((int)SK_ARRAY_COUNT(kTabs), tabCnt);
             outAppend->append(kTabs, cnt);
             tabCnt -= cnt;
         }
@@ -86,6 +92,7 @@ void GrGLSLMulVarBy4f(SkString* outAppend,
 
     if (mulFactor.isZeros()) {
         outAppend->appendf("%s = vec4(0);\n", vec4VarName);
+    } else {
+        outAppend->appendf("%s *= %s;\n", vec4VarName, mulFactor.c_str());
     }
-    outAppend->appendf("%s *= %s;\n", vec4VarName, mulFactor.c_str());
 }