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Unified Diff: src/gpu/gl/GrGLSL.h

Issue 1161063003: Revert "Revert of Move copy-surface-as-draw fallback to GrGLGpu. (patchset #12 id:220001 of https:/… (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: update Created 5 years, 7 months ago
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Index: src/gpu/gl/GrGLSL.h
diff --git a/src/gpu/gl/GrGLSL.h b/src/gpu/gl/GrGLSL.h
index 99671c130e0c5e3a431cc5b74a0ba27f2be7594c..db8e1bdca5092a42f7524604d462c88d3b4bf9e4 100644
--- a/src/gpu/gl/GrGLSL.h
+++ b/src/gpu/gl/GrGLSL.h
@@ -57,6 +57,24 @@ bool GrGetGLSLGeneration(const GrGLInterface* gl, GrGLSLGeneration* generation);
const char* GrGetGLSLVersionDecl(const GrGLContextInfo&);
/**
+ * Adds a line of GLSL code to declare the default precision for float types.
+ */
+void GrGLSLAppendDefaultFloatPrecisionDeclaration(GrSLPrecision, GrGLStandard, SkString* out);
+
+/**
+ * Gets the name of the function that should be used to sample a 2D texture. Coord type is used
+ * to indicate whether the texture is sampled using projective textured (kVec3f) or not (kVec2f).
+ */
+inline const char* GrGLSLTexture2DFunctionName(GrSLType coordType, GrGLSLGeneration glslGen) {
+ if (kVec2f_GrSLType == coordType) {
+ return glslGen >= k130_GrGLSLGeneration ? "texture" : "texture2D";
+ } else {
+ SkASSERT(kVec3f_GrSLType == coordType);
+ return glslGen >= k130_GrGLSLGeneration ? "textureProj" : "texture2DProj";
+ }
+}
+
+/**
* Converts a GrSLType to a string containing the name of the equivalent GLSL type.
*/
static inline const char* GrGLSLTypeString(GrSLType t) {
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