Use noperspective interpolation for 2D draws

src/gpu/gl/GrGLCaps.cpp

Index: src/gpu/gl/GrGLCaps.cpp
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index c2ace6cd368948d25d60f95b766895dcfd1ce740..2302ef05685ae96a65f6b8ff69020f340bf70cd5 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -594,6 +594,24 @@ void GrGLCaps::initGLSL(const GrGLContextInfo& ctxInfo) {
 
     glslCaps->fBindlessTextureSupport = ctxInfo.hasExtension("GL_NV_bindless_texture");
 
+    if (kGL_GrGLStandard == standard) {
+        glslCaps->fFlatInterpolationSupport = ctxInfo.glslGeneration() >= k130_GrGLSLGeneration;
+    } else {
+        glslCaps->fFlatInterpolationSupport =
+            ctxInfo.glslGeneration() >= k330_GrGLSLGeneration; // This is the value for GLSL ES 3.0.
+    }
+
+    if (kGL_GrGLStandard == standard) {
+        glslCaps->fNoPerspectiveInterpolationSupport =
+            ctxInfo.glslGeneration() >= k130_GrGLSLGeneration;
+    } else {
+        if (ctxInfo.hasExtension("GL_NV_shader_noperspective_interpolation")) {
+            glslCaps->fNoPerspectiveInterpolationSupport = true;
+            glslCaps->fNoPerspectiveInterpolationExtensionString =
+                "GL_NV_shader_noperspective_interpolation";
+        }
+    }
+
     // Adreno GPUs have a tendency to drop tiles when there is a divide-by-zero in a shader
     glslCaps->fDropsTileOnZeroDivide = kQualcomm_GrGLVendor == ctxInfo.vendor();