Move shader precision modifier check onto GLSLCaps

BUG=skia:

Review URL: https://codereview.chromium.org/1414373002

2 files changed, 6 insertions, 0 deletions

diff --git a/src/gpu/glsl/GrGLSLCaps.cpp b/src/gpu/glsl/GrGLSLCaps.cpp
index 38105ef1ce..449ceabd76 100755
--- a/src/gpu/glsl/GrGLSLCaps.cpp
+++ b/src/gpu/glsl/GrGLSLCaps.cpp
@@ -17,6 +17,7 @@ GrGLSLCaps::GrGLSLCaps(const GrContextOptions& options) {
     fFBFetchSupport = false;
     fFBFetchNeedsCustomOutput = false;
     fBindlessTextureSupport = false;
+    fUsesPrecisionModifiers = false;
     fFBFetchColorName = nullptr;
     fFBFetchExtensionString = nullptr;
     fAdvBlendEqInteraction = kNotSupported_AdvBlendEqInteraction;
@@ -42,6 +43,7 @@ SkString GrGLSLCaps::dump() const {
     r.appendf("FB Fetch Support: %s\n", (fFBFetchSupport ? "YES" : "NO"));
     r.appendf("Drops tile on zero divide: %s\n", (fDropsTileOnZeroDivide ? "YES" : "NO"));
     r.appendf("Bindless texture support: %s\n", (fBindlessTextureSupport ? "YES" : "NO"));
+    r.appendf("Uses precision modifiers: %s\n", (fUsesPrecisionModifiers ? "YES" : "NO"));
     r.appendf("Advanced blend equation interaction: %s\n",
               kAdvBlendEqInteractionStr[fAdvBlendEqInteraction]);
     return r;
diff --git a/src/gpu/glsl/GrGLSLCaps.h b/src/gpu/glsl/GrGLSLCaps.h
index b68b3b4a22..d147aac3c1 100755
--- a/src/gpu/glsl/GrGLSLCaps.h
+++ b/src/gpu/glsl/GrGLSLCaps.h
@@ -65,6 +65,8 @@ public:
         return fGLSLGeneration > k110_GrGLSLGeneration;
     }
 
+    bool usesPrecisionModifiers() const { return fUsesPrecisionModifiers; }
+
     GrGLSLGeneration generation() const { return fGLSLGeneration; }
 
     /**
@@ -79,6 +81,8 @@ private:
     bool fFBFetchSupport : 1;
     bool fFBFetchNeedsCustomOutput : 1;
     bool fBindlessTextureSupport : 1;
+    bool fUsesPrecisionModifiers : 1;
+
 
     const char* fFBFetchColorName;
     const char* fFBFetchExtensionString;