Upstream version 5.34.104.0

[platform/framework/web/crosswalk.git] / src / third_party / angle / include / GLSLANG / ShaderLang.h

diff --git a/src/third_party/angle/include/GLSLANG/ShaderLang.h b/src/third_party/angle/include/GLSLANG/ShaderLang.h
index addc747..9912939 100644 (file)
--- a/src/third_party/angle/include/GLSLANG/ShaderLang.h
+++ b/src/third_party/angle/include/GLSLANG/ShaderLang.h
@@ -184,8 +184,8 @@ typedef enum {
   // This flag limits the depth of the call stack.
   SH_LIMIT_CALL_STACK_DEPTH = 0x4000,
 
-  // This flag initializes gl_Position to vec4(0.0, 0.0, 0.0, 1.0) at
-  // the beginning of the vertex shader, and has no effect in the
+  // This flag initializes gl_Position to vec4(0,0,0,0) at the
+  // beginning of the vertex shader's main(), and has no effect in the
   // fragment shader. It is intended as a workaround for drivers which
   // incorrectly fail to link programs if gl_Position is not written.
   SH_INIT_GL_POSITION = 0x8000,
@@ -196,6 +196,12 @@ typedef enum {
   // This is to work around a MacOSX driver bug that |b| is executed
   // independent of |a|'s value.
   SH_UNFOLD_SHORT_CIRCUIT = 0x10000,
+
+  // This flag initializes varyings without static use in vertex shader
+  // at the beginning of main(), and has no effects in the fragment shader.
+  // It is intended as a workaround for drivers which incorrectly optimize
+  // out such varyings and cause a link failure.
+  SH_INIT_VARYINGS_WITHOUT_STATIC_USE = 0x20000,
 } ShCompileOptions;
 
 // Defines alternate strategies for implementing array index clamping.