commit 22c5deaf755223111cb055462ac5bbce623f3a08
author bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Thu Jul 07 14:38:03 2011 +0000
committer bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Thu Jul 07 14:38:03 2011 +0000
tree 8dbe1b908876b666ac20823637051e786c70e92f
parent 2b75f4279a237ceea929ff8ac019f7fbd3ad08b5

Fix div by zero in GPU degenerate radials (and add sample and gm baselines)

Review URL: http://codereview.appspot.com/4675062/


git-svn-id: http://skia.googlecode.com/svn/trunk@1817 2bbb7eff-a529-9590-31e7-b0007b416f81

gpu/src/GrGLProgram.h

diff --git a/gpu/src/GrGLProgram.h b/gpu/src/GrGLProgram.h
index 2c4152d..edd4737 100644
--- a/gpu/src/GrGLProgram.h
+++ b/gpu/src/GrGLProgram.h
@@ -122,7 +122,9 @@
                 kRadialGradient_CoordMapping,
                 kSweepGradient_CoordMapping,
                 kRadial2Gradient_CoordMapping,
-
+                // need different shader computation when quadratic
+                // eq describing the gradient degenerates to a linear eq.
+                kRadial2GradientDegenerate_CoordMapping,
                 kCoordMappingCnt
             };
 
@@ -180,6 +182,9 @@
 
     const ProgramDesc& getDesc() { return fProgramDesc; }
 
+    // for code readability
+    typedef ProgramDesc::StageDesc StageDesc;
+
 public:
     enum {
         kUnusedUniform = -1,