Generate list of GPU contexts outside tests

tests/FloatingPointTextureTest.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.
  */
 
 /*
  * This is a straightforward test of floating point textures, which are
  * supported on some platforms.  As of right now, this test only supports
  * 32 bit floating point textures, and indeed floating point test values
  * have been selected to require 32 bits of precision and full IEEE conformance
  */
 
 #include <float.h>
 #include "Test.h"
+
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
 #include "GrTexture.h"
-#include "GrContextFactory.h"
-
-#include "SkGpuDevice.h"
 #include "SkHalf.h"
 
 static const int DEV_W = 100, DEV_H = 100;
 static const SkIRect DEV_RECT = SkIRect::MakeWH(DEV_W, DEV_H);
 
 template <typename T>
-void runFPTest(skiatest::Reporter* reporter, GrContextFactory* factory,
+void runFPTest(skiatest::Reporter* reporter, GrContext* context,
                T min, T max, T epsilon, T maxInt, int arraySize, GrPixelConfig config) {
     SkTDArray<T> controlPixelData, readBuffer;
     controlPixelData.setCount(arraySize);
     readBuffer.setCount(arraySize);
 
     for (int i = 0; i < arraySize; i += 4) {
         controlPixelData[i + 0] = min;
         controlPixelData[i + 1] = max;
         controlPixelData[i + 2] = epsilon;
         controlPixelData[i + 3] = maxInt;
     }
 
     for (int origin = 0; origin < 2; ++origin) {
-        for (int glCtxType = 0; glCtxType < GrContextFactory::kGLContextTypeCnt; ++glCtxType) {
-            GrSurfaceDesc desc;
-            desc.fFlags = kRenderTarget_GrSurfaceFlag;
-            desc.fWidth = DEV_W;
-            desc.fHeight = DEV_H;
-            desc.fConfig = config;
-            desc.fOrigin = 0 == origin ?
+        GrSurfaceDesc desc;
+        desc.fFlags = kRenderTarget_GrSurfaceFlag;
+        desc.fWidth = DEV_W;
+        desc.fHeight = DEV_H;
+        desc.fConfig = config;
+        desc.fOrigin = 0 == origin ?
             kTopLeft_GrSurfaceOrigin : kBottomLeft_GrSurfaceOrigin;
-
-            GrContextFactory::GLContextType type =
-                static_cast<GrContextFactory::GLContextType>(glCtxType);
-            if (!GrContextFactory::IsRenderingGLContext(type)) {
-                continue;
-            }
-            GrContext* context = factory->get(type);
-            if (nullptr == context) {
-                continue;
-            }
-
-            SkAutoTUnref<GrTexture> fpTexture(context->textureProvider()->createTexture(
-                desc, false, controlPixelData.begin(), 0));
-            // Floating point textures are NOT supported everywhere
-            if (nullptr == fpTexture) {
-                continue;
-            }
-            fpTexture->readPixels(0, 0, DEV_W, DEV_H, desc.fConfig, readBuffer.begin(), 0);
-            REPORTER_ASSERT(reporter,
-                0 == memcmp(readBuffer.begin(), controlPixelData.begin(), readBuffer.bytes()));
+        SkAutoTUnref<GrTexture> fpTexture(context->textureProvider()->createTexture(
+            desc, false, controlPixelData.begin(), 0));
+        // Floating point textures are NOT supported everywhere
+        if (nullptr == fpTexture) {
+            continue;
         }
+        fpTexture->readPixels(0, 0, DEV_W, DEV_H, desc.fConfig, readBuffer.begin(), 0);
+        REPORTER_ASSERT(reporter,
+                        0 == memcmp(readBuffer.begin(), controlPixelData.begin(), readBuffer.bytes()));
     }
 }
 
 static const int FP_CONTROL_ARRAY_SIZE = DEV_W * DEV_H * 4/*RGBA*/;
 static const float kMaxIntegerRepresentableInSPFloatingPoint = 16777216;  // 2 ^ 24
 
-DEF_GPUTEST(FloatingPointTextureTest, reporter, factory) {
-    runFPTest<float>(reporter, factory, FLT_MIN, FLT_MAX, FLT_EPSILON,
+DEF_GPUTEST_FOR_RENDERING_CONTEXTS(FloatingPointTextureTest, reporter, context) {
+    runFPTest<float>(reporter, context, FLT_MIN, FLT_MAX, FLT_EPSILON,
                      kMaxIntegerRepresentableInSPFloatingPoint, 
                      FP_CONTROL_ARRAY_SIZE, kRGBA_float_GrPixelConfig);
 }
 
 static const int HALF_ALPHA_CONTROL_ARRAY_SIZE = DEV_W * DEV_H * 1 /*alpha-only*/;
 static const SkHalf kMaxIntegerRepresentableInHalfFloatingPoint = 0x6800;  // 2 ^ 11
 
-DEF_GPUTEST(HalfFloatAlphaTextureTest, reporter, factory) {
-    runFPTest<SkHalf>(reporter, factory, SK_HalfMin, SK_HalfMax, SK_HalfEpsilon,
+DEF_GPUTEST_FOR_RENDERING_CONTEXTS(HalfFloatAlphaTextureTest, reporter, context) {
+    runFPTest<SkHalf>(reporter, context, SK_HalfMin, SK_HalfMax, SK_HalfEpsilon,
         kMaxIntegerRepresentableInHalfFloatingPoint,
         HALF_ALPHA_CONTROL_ARRAY_SIZE, kAlpha_half_GrPixelConfig);
 }
 
 static const int HALF_RGBA_CONTROL_ARRAY_SIZE = DEV_W * DEV_H * 4 /*RGBA*/;
 
-DEF_GPUTEST(HalfFloatRGBATextureTest, reporter, factory) {
-    runFPTest<SkHalf>(reporter, factory, SK_HalfMin, SK_HalfMax, SK_HalfEpsilon,
+DEF_GPUTEST_FOR_RENDERING_CONTEXTS(HalfFloatRGBATextureTest, reporter, context) {
+    runFPTest<SkHalf>(reporter, context, SK_HalfMin, SK_HalfMax, SK_HalfEpsilon,
         kMaxIntegerRepresentableInHalfFloatingPoint,
         HALF_RGBA_CONTROL_ARRAY_SIZE, kRGBA_half_GrPixelConfig);
 }
 
 #endif