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| 1 |
| 2 /* |
| 3 * Copyright 2015 Google Inc. |
| 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. |
| 7 */ |
| 8 |
| 9 // This is a GPU-backend specific test. It relies on static intializers to work |
| 10 |
| 11 #include "SkTypes.h" |
| 12 |
| 13 #if SK_SUPPORT_GPU && SK_ALLOW_STATIC_GLOBAL_INITIALIZERS && defined(SK_VULKAN) |
| 14 |
| 15 #include "GrContextFactory.h" |
| 16 #include "GrTest.h" |
| 17 #include "Test.h" |
| 18 #include "vk/GrVkGpu.h" |
| 19 |
| 20 |
| 21 void fill_pixel_data(int width, int height, GrColor* data) { |
| 22 |
| 23 // build red-green gradient |
| 24 for (int j = 0; j < height; ++j) { |
| 25 for (int i = 0; i < width; ++i) { |
| 26 unsigned int red = (unsigned int)(256.f*(i / (float)width)); |
| 27 unsigned int green = (unsigned int)(256.f*(j / (float)height)); |
| 28 data[i + j*width] = GrColorPackRGBA(red - (red>>8), green - (green>>
8), 0xff, 0xff); |
| 29 } |
| 30 } |
| 31 } |
| 32 |
| 33 bool does_full_buffer_contain_correct_color(GrColor* srcBuffer, |
| 34 GrColor* dstBuffer, |
| 35 GrPixelConfig config, |
| 36 int width, |
| 37 int height) { |
| 38 GrColor* srcPtr = srcBuffer; |
| 39 GrColor* dstPtr = dstBuffer; |
| 40 for (int j = 0; j < height; ++j) { |
| 41 for (int i = 0; i < width; ++i) { |
| 42 if (srcPtr[i] != dstPtr[i]) { |
| 43 return false; |
| 44 } |
| 45 } |
| 46 srcPtr += width; |
| 47 dstPtr += width; |
| 48 } |
| 49 return true; |
| 50 } |
| 51 |
| 52 void basic_texture_test(skiatest::Reporter* reporter, GrContext* context, GrPixe
lConfig config, |
| 53 bool renderTarget, bool linearTiling) { |
| 54 GrVkGpu* gpu = static_cast<GrVkGpu*>(context->getGpu()); |
| 55 gpu->discard(NULL); |
| 56 |
| 57 const int kWidth = 16; |
| 58 const int kHeight = 16; |
| 59 SkAutoTMalloc<GrColor> srcBuffer(kWidth*kHeight); |
| 60 SkAutoTMalloc<GrColor> dstBuffer(kWidth*kHeight); |
| 61 |
| 62 fill_pixel_data(kWidth, kHeight, srcBuffer.get()); |
| 63 |
| 64 const GrVkCaps* caps = reinterpret_cast<const GrVkCaps*>(context->caps()); |
| 65 |
| 66 bool canCreate = true; |
| 67 // the expectation is that the given config is texturable/renderable with op
timal tiling |
| 68 // but may not be with linear tiling |
| 69 if (linearTiling) { |
| 70 if (!caps->isConfigTexurableLinearly(config) || |
| 71 (renderTarget && !caps->isConfigRenderableLinearly(config, false)))
{ |
| 72 canCreate = false; |
| 73 } |
| 74 } |
| 75 |
| 76 GrSurfaceDesc surfDesc; |
| 77 surfDesc.fFlags = renderTarget ? kRenderTarget_GrSurfaceFlag : kNone_GrSurfa
ceFlags; |
| 78 if (linearTiling) { |
| 79 surfDesc.fFlags |= kZeroCopy_GrSurfaceFlag; |
| 80 } |
| 81 surfDesc.fOrigin = kTopLeft_GrSurfaceOrigin; |
| 82 surfDesc.fWidth = kWidth; |
| 83 surfDesc.fHeight = kHeight; |
| 84 surfDesc.fConfig = config; |
| 85 surfDesc.fSampleCnt = 0; |
| 86 GrTexture* tex0 = gpu->createTexture(surfDesc, false, srcBuffer, 0); |
| 87 if (tex0) { |
| 88 REPORTER_ASSERT(reporter, canCreate); |
| 89 gpu->readPixels(tex0, 0, 0, kWidth, kHeight, config, dstBuffer, 0); |
| 90 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuff
er, |
| 91 dstBuff
er, |
| 92 config, |
| 93 kWidth, |
| 94 kHeight
)); |
| 95 |
| 96 tex0->writePixels(2, 10, 10, 2, config, srcBuffer); |
| 97 memset(dstBuffer, 0, kWidth*kHeight*sizeof(GrColor)); |
| 98 gpu->readPixels(tex0, 2, 10, 10, 2, config, dstBuffer, 0); |
| 99 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuff
er, |
| 100 dstBuff
er, |
| 101 config, |
| 102 10, |
| 103 2)); |
| 104 |
| 105 tex0->unref(); |
| 106 } else { |
| 107 REPORTER_ASSERT(reporter, !canCreate); |
| 108 } |
| 109 |
| 110 surfDesc.fOrigin = kBottomLeft_GrSurfaceOrigin; |
| 111 GrTexture* tex1 = gpu->createTexture(surfDesc, false, srcBuffer, 0); |
| 112 if (tex1) { |
| 113 REPORTER_ASSERT(reporter, canCreate); |
| 114 gpu->readPixels(tex1, 0, 0, kWidth, kHeight, config, dstBuffer, 0); |
| 115 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuff
er, |
| 116 dstBuff
er, |
| 117 config, |
| 118 kWidth, |
| 119 kHeight
)); |
| 120 |
| 121 tex1->writePixels(5, 4, 4, 5, config, srcBuffer); |
| 122 memset(dstBuffer, 0, kWidth*kHeight*sizeof(GrColor)); |
| 123 gpu->readPixels(tex1, 5, 4, 4, 5, config, dstBuffer, 0); |
| 124 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuff
er, |
| 125 dstBuff
er, |
| 126 config, |
| 127 4, |
| 128 5)); |
| 129 |
| 130 tex1->unref(); |
| 131 } else { |
| 132 REPORTER_ASSERT(reporter, !canCreate); |
| 133 } |
| 134 } |
| 135 |
| 136 DEF_GPUTEST(VkUploadPixelsTests, reporter, factory) { |
| 137 GrContextOptions opts; |
| 138 opts.fSuppressPrints = true; |
| 139 GrContextFactory debugFactory(opts); |
| 140 for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) { |
| 141 if (static_cast<GrContextFactory::GLContextType>(type) != |
| 142 GrContextFactory::kNative_GLContextType) { |
| 143 continue; |
| 144 } |
| 145 GrContext* context = debugFactory.get(static_cast<GrContextFactory::GLCo
ntextType>(type)); |
| 146 if (context) { |
| 147 basic_texture_test(reporter, context, kRGBA_8888_GrPixelConfig, fals
e, false); |
| 148 basic_texture_test(reporter, context, kRGBA_8888_GrPixelConfig, true
, false); |
| 149 basic_texture_test(reporter, context, kRGBA_8888_GrPixelConfig, fals
e, true); |
| 150 basic_texture_test(reporter, context, kRGBA_8888_GrPixelConfig, true
, true); |
| 151 basic_texture_test(reporter, context, kBGRA_8888_GrPixelConfig, fals
e, false); |
| 152 basic_texture_test(reporter, context, kBGRA_8888_GrPixelConfig, true
, false); |
| 153 basic_texture_test(reporter, context, kBGRA_8888_GrPixelConfig, fals
e, true); |
| 154 basic_texture_test(reporter, context, kBGRA_8888_GrPixelConfig, true
, true); |
| 155 } |
| 156 |
| 157 } |
| 158 } |
| 159 |
| 160 #endif |
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