Turned on SkSL->GLSL compiler

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2288033003

Committed: https://skia.googlesource.com/skia/+/9b0fe3d125f237d9884732a48414fa85fc71b4e3
Committed: https://skia.googlesource.com/skia/+/b12b3c6908c62c908b3680be01e3b5bfd30de310
Committed: https://skia.googlesource.com/skia/+/f008b0a59f45c0d4bea3e66faf3b01805009ec89
Committed: https://skia.googlesource.com/skia/+/08b2ccf398e2b81bc05d2c105837e5419899469b
Committed: https://skia.googlesource.com/skia/+/dcfe6dba4a335e50e86ff68e3252065d4197432c
Review-Url: https://codereview.chromium.org/2288033003

1 files changed, 14 insertions, 10 deletions

diff --git a/src/gpu/glsl/GrGLSLShaderBuilder.h b/src/gpu/glsl/GrGLSLShaderBuilder.h
index a6ff96dd1b..f59edb4553 100644
--- a/src/gpu/glsl/GrGLSLShaderBuilder.h
+++ b/src/gpu/glsl/GrGLSLShaderBuilder.h
@@ -72,23 +72,27 @@ public:
     void appendTexelFetch(SamplerHandle, const char* coordExpr);
 
     /**
-    * Adds a #define directive to the top of the shader.
+    * Adds a constant declaration to the top of the shader.
     */
-    void define(const char* macro, const char* replacement) {
-        this->definitions().appendf("#define %s %s\n", macro, replacement);
+    void defineConstant(const char* type, const char* name, const char* value) {
+        this->definitions().appendf("const %s %s = %s;\n", type, name, value);
     }
 
-    void define(const char* macro, int replacement) {
-        this->definitions().appendf("#define %s %i\n", macro, replacement);
+    void defineConstant(const char* name, int value) {
+        this->definitions().appendf("const int %s = %i;\n", name, value);
     }
 
-    void definef(const char* macro, const char* replacement, ...) {
-       this->definitions().appendf("#define %s ", macro);
+    void defineConstant(const char* name, float value) {
+        this->definitions().appendf("const float %s = %f;\n", name, value);
+    }
+
+    void defineConstantf(const char* type, const char* name, const char* fmt, ...) {
+       this->definitions().appendf("const %s %s = ", type, name);
        va_list args;
-       va_start(args, replacement);
-       this->definitions().appendVAList(replacement, args);
+       va_start(args, fmt);
+       this->definitions().appendVAList(fmt, args);
        va_end(args);
-       this->definitions().append("\n");
+       this->definitions().append(";\n");
     }
 
     /**