Implement conics for NVPR
Implement conics for NVPR. Verified with currently disabled conicpaths
gm, produces mostly same shapes with nvprmsaa4 and msaa4.
BUG=skia:2033
Review URL: https://codereview.chromium.org/694503003
diff --git a/src/gpu/gl/GrGLDefines.h b/src/gpu/gl/GrGLDefines.h
index afcbe81..68d8da8 100644
--- a/src/gpu/gl/GrGLDefines.h
+++ b/src/gpu/gl/GrGLDefines.h
@@ -802,6 +802,7 @@
#define GR_GL_LINE_TO 0x04
#define GR_GL_QUADRATIC_CURVE_TO 0x0A
#define GR_GL_CUBIC_CURVE_TO 0x0C
+#define GR_GL_CONIC_CURVE_TO 0x1A
// path parameters
#define GR_GL_PATH_STROKE_WIDTH 0x9075