Skip dm GPU configs when context creation fails

src/gpu/GrContextFactory.cpp

 
 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrContextFactory.h"
 
@@ skipping 62 matching lines @@
 
     SkASSERT(glCtx->isValid());
 
     // Block NVPR from non-NVPR types.
     SkAutoTUnref<const GrGLInterface> glInterface(SkRef(glCtx->gl()));
     if (kNVPR_GLContextType != type) {
         glInterface.reset(GrGLInterfaceRemoveNVPR(glInterface));
         if (!glInterface) {
             return nullptr;
         }
-    } else {
-        if (!glInterface->hasExtension("GL_NV_path_rendering")) {
-            return nullptr;
-        }
     }
 
     glCtx->makeCurrent();
     GrBackendContext p3dctx = reinterpret_cast<GrBackendContext>(glInterface.get());
 #ifdef SK_VULKAN
     grCtx.reset(GrContext::Create(kVulkan_GrBackend, p3dctx, fGlobalOptions));
 #else
     grCtx.reset(GrContext::Create(kOpenGL_GrBackend, p3dctx, fGlobalOptions));
 #endif
     if (!grCtx.get()) {
         return nullptr;
     }
-    // Warn if path rendering support is not available for the NVPR type.
     if (kNVPR_GLContextType == type) {
         if (!grCtx->caps()->shaderCaps()->pathRenderingSupport()) {
-            GrGpu* gpu = grCtx->getGpu();
-            const GrGLContext* ctx = gpu->glContextForTesting();
-            if (ctx) {
-                const GrGLubyte* verUByte;
-                GR_GL_CALL_RET(ctx->interface(), verUByte, GetString(GR_GL_VERSION));
-                const char* ver = reinterpret_cast<const char*>(verUByte);
-                SkDebugf("\nWARNING: nvprmsaa config requested, but driver path rendering "
-                         "support not available. Maybe update the driver? Your driver version "
-                         "string: \"%s\"\n", ver);
-            } else {
-                SkDebugf("\nWARNING: nvprmsaa config requested, but driver path rendering "
-                         "support not available.\n");
-            }
+            return nullptr;
         }
     }
 
     ContextInfo* ctx = fContexts.emplace_back(new ContextInfo);
     ctx->fGLContext = SkRef(glCtx.get());
     ctx->fGrContext = SkRef(grCtx.get());
     ctx->fType = type;
     return ctx;
 }