diff options
Diffstat (limited to 'src/gpu/ccpr/GrCCPRCubicShader.cpp')
| -rw-r--r-- | src/gpu/ccpr/GrCCPRCubicShader.cpp | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/src/gpu/ccpr/GrCCPRCubicShader.cpp b/src/gpu/ccpr/GrCCPRCubicShader.cpp index 59cd2a8537..1c29862bea 100644 --- a/src/gpu/ccpr/GrCCPRCubicShader.cpp +++ b/src/gpu/ccpr/GrCCPRCubicShader.cpp @@ -9,25 +9,6 @@ #include "glsl/GrGLSLFragmentShaderBuilder.h" -void GrCCPRCubicShader::emitWind(GrGLSLShaderBuilder* s, const char* pts, - const char* outputWind) const { - - s->codeAppendf("float area_times_2 = determinant(float3x3(1, %s[0], " - "1, %s[2], " - "0, %s[3] - %s[1]));", - pts, pts, pts, pts); - // Drop curves that are nearly flat. The KLM math becomes unstable in this case. - s->codeAppendf("if (2 * abs(area_times_2) < length(%s[3] - %s[0])) {", pts, pts); -#ifndef SK_BUILD_FOR_MAC - s->codeAppend ( "return;"); -#else - // Returning from this geometry shader makes Mac very unhappy. Instead we make wind 0. - s->codeAppend ( "area_times_2 = 0;"); -#endif - s->codeAppend ("}"); - s->codeAppendf("%s = sign(area_times_2);", outputWind); -} - void GrCCPRCubicShader::emitSetupCode(GrGLSLShaderBuilder* s, const char* pts, const char* segmentId, const char* wind, GeometryVars* vars) const { |