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1 /*
2  * Copyright 2017 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #include "Test.h"
9 
10 #if SK_SUPPORT_GPU
11 
12 class GrSurfaceContext;
13 class GrSurfaceProxy;
14 
15 // Ensure that reading back from 'srcContext' as RGBA 8888 matches 'expectedPixelValues
16 void test_read_pixels(skiatest::Reporter*,
17                       GrSurfaceContext* srcContext, uint32_t expectedPixelValues[],
18                       const char* testName);
19 
20 // See if trying to write RGBA 8888 pixels to 'dstContext' matches matches the
21 // expectation ('expectedToWork')
22 void test_write_pixels(skiatest::Reporter*,
23                        GrSurfaceContext* srcContext, bool expectedToWork, const char* testName);
24 
25 // Ensure that the pixels can be copied from 'proxy' to an RGBA 8888 destination (both
26 // texture-backed and rendertarget-backed).
27 void test_copy_from_surface(skiatest::Reporter*, GrContext*,
28                             GrSurfaceProxy* proxy, uint32_t expectedPixelValues[],
29                             bool onlyTestRTConfig, const char* testName);
30 
31 // Ensure that RGBA 8888 pixels can be copied into 'dstContext'
32 void test_copy_to_surface(skiatest::Reporter*, GrResourceProvider*,
33                           GrSurfaceContext* dstContext, const char* testName);
34 #endif
35