Revert of Enable stencil clipping in mixed sampled render targets (patchset #6 id:100001 of https://codereview.chromium.org/1232103002/ )

Reason for revert:
Co-centered sample locations are not needed to do stencil clip with mixed samples

Original issue's description:
> Implement stencil clipping in mixed sampled render targets
>
> This change enables multisampled clipping for mixed sampled
> render targets.  Previously clipping in mixed samples config
> behaved the same as in the gpu config.
>
> In order to retrofit non-MSAA draw methods, programmable sample
> locations are used in order to colocate all samples at (0.5, 0.5).
> Requires support for NV_sample_locations.
>
> BUG=skia:4399
>
> Committed:
> https://skia.googlesource.com/skia/+/3e77ba96d56d15db30ac6d8ccb900e30aafcbb16

BUG=skia:

Review URL: https://codereview.chromium.org/1415873011

1 files changed, 7 insertions, 9 deletions

diff --git a/src/gpu/GrCaps.cpp b/src/gpu/GrCaps.cpp
index e4f81ab79b..7003cc5bfe 100644
--- a/src/gpu/GrCaps.cpp
+++ b/src/gpu/GrCaps.cpp
@@ -15,7 +15,6 @@ GrShaderCaps::GrShaderCaps() {
     fPathRenderingSupport = false;
     fDstReadInShaderSupport = false;
     fDualSourceBlendingSupport = false;
-    fProgrammableSampleLocationsSupport = false;
     fShaderPrecisionVaries = false;
 }
 
@@ -46,14 +45,13 @@ static const char* precision_to_string(GrSLPrecision p) {
 SkString GrShaderCaps::dump() const {
     SkString r;
     static const char* gNY[] = { "NO", "YES" };
-    r.appendf("Shader Derivative Support             : %s\n", gNY[fShaderDerivativeSupport]);
-    r.appendf("Geometry Shader Support               : %s\n", gNY[fGeometryShaderSupport]);
-    r.appendf("Path Rendering Support                : %s\n", gNY[fPathRenderingSupport]);
-    r.appendf("Dst Read In Shader Support            : %s\n", gNY[fDstReadInShaderSupport]);
-    r.appendf("Dual Source Blending Support          : %s\n", gNY[fDualSourceBlendingSupport]);
-    r.appendf("Programmable Sample Locations Support : %s\n", gNY[fProgrammableSampleLocationsSupport]);
-
-    r.appendf("Shader Float Precisions (varies: %s)  :\n", gNY[fShaderPrecisionVaries]);
+    r.appendf("Shader Derivative Support          : %s\n", gNY[fShaderDerivativeSupport]);
+    r.appendf("Geometry Shader Support            : %s\n", gNY[fGeometryShaderSupport]);
+    r.appendf("Path Rendering Support             : %s\n", gNY[fPathRenderingSupport]);
+    r.appendf("Dst Read In Shader Support         : %s\n", gNY[fDstReadInShaderSupport]);
+    r.appendf("Dual Source Blending Support       : %s\n", gNY[fDualSourceBlendingSupport]);
+
+    r.appendf("Shader Float Precisions (varies: %s):\n", gNY[fShaderPrecisionVaries]);
 
     for (int s = 0; s < kGrShaderTypeCount; ++s) {
         GrShaderType shaderType = static_cast<GrShaderType>(s);