1 //
2 // Copyright 2018 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6 // VulkanFormatTablesTest:
7 // Tests to validate our Vulkan support tables match hardware support.
8 //
9
10 #include "libANGLE/Context.h"
11 #include "libANGLE/Display.h"
12 #include "libANGLE/angletypes.h"
13 #include "libANGLE/formatutils.h"
14 #include "libANGLE/renderer/vulkan/ContextVk.h"
15 #include "libANGLE/renderer/vulkan/vk_renderer.h"
16 #include "test_utils/ANGLETest.h"
17 #include "test_utils/angle_test_instantiate.h"
18 #include "util/EGLWindow.h"
19
20 using namespace angle;
21
22 namespace
23 {
24
25 class VulkanFormatTablesTest : public ANGLETest<>
26 {};
27
28 struct ParametersToTest
29 {
30 VkImageType imageType;
31 VkImageCreateFlags createFlags;
32 };
33
34 // This test enumerates all GL formats - for each, it queries the Vulkan support for
35 // using it as a texture, filterable, and a render target. It checks this against our
36 // speed-optimized baked tables, and validates they would give the same result.
TEST_P(VulkanFormatTablesTest,TestFormatSupport)37 TEST_P(VulkanFormatTablesTest, TestFormatSupport)
38 {
39 ASSERT_TRUE(IsVulkan());
40
41 // Hack the angle!
42 egl::Display *display = static_cast<egl::Display *>(getEGLWindow()->getDisplay());
43 gl::ContextID contextID = {
44 static_cast<GLuint>(reinterpret_cast<uintptr_t>(getEGLWindow()->getContext()))};
45 gl::Context *context = display->getContext(contextID);
46 auto *contextVk = rx::GetImplAs<rx::ContextVk>(context);
47 rx::vk::Renderer *renderer = contextVk->getRenderer();
48
49 // We need to test normal 2D images as well as Cube images.
50 const std::vector<ParametersToTest> parametersToTest = {
51 {VK_IMAGE_TYPE_2D, 0}, {VK_IMAGE_TYPE_2D, VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT}};
52
53 const gl::FormatSet &allFormats = gl::GetAllSizedInternalFormats();
54 for (GLenum internalFormat : allFormats)
55 {
56 const rx::vk::Format &vkFormat = renderer->getFormat(internalFormat);
57
58 // Similar loop as when we build caps in vk_caps_utils.cpp, but query using
59 // vkGetPhysicalDeviceImageFormatProperties instead of vkGetPhysicalDeviceFormatProperties
60 // and verify we have all the same caps.
61 if (!vkFormat.valid())
62 {
63 // TODO(jmadill): Every angle format should be mapped to a vkFormat.
64 // This hasn't been defined in our vk_format_map.json yet so the caps won't be filled.
65 continue;
66 }
67
68 const gl::TextureCaps &textureCaps = renderer->getNativeTextureCaps().get(internalFormat);
69
70 for (const ParametersToTest params : parametersToTest)
71 {
72 VkFormat actualImageVkFormat = rx::vk::GetVkFormatFromFormatID(
73 renderer, vkFormat.getActualImageFormatID(rx::vk::ImageAccess::SampleOnly));
74
75 // Now let's verify that against vulkan.
76 VkFormatProperties formatProperties;
77 vkGetPhysicalDeviceFormatProperties(renderer->getPhysicalDevice(), actualImageVkFormat,
78 &formatProperties);
79
80 VkImageFormatProperties imageProperties;
81
82 // isTexturable?
83 bool isTexturable =
84 vkGetPhysicalDeviceImageFormatProperties(
85 renderer->getPhysicalDevice(), actualImageVkFormat, params.imageType,
86 VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_SAMPLED_BIT, params.createFlags,
87 &imageProperties) == VK_SUCCESS;
88 EXPECT_EQ(isTexturable, textureCaps.texturable) << actualImageVkFormat;
89
90 // TODO(jmadill): Support ES3 textures.
91
92 // isFilterable?
93 bool isFilterable = (formatProperties.optimalTilingFeatures &
94 VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT) ==
95 VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
96 EXPECT_EQ(isFilterable, textureCaps.filterable) << actualImageVkFormat;
97
98 // isRenderable?
99 VkFormat actualRenderableImageVkFormat = rx::vk::GetVkFormatFromFormatID(
100 renderer, vkFormat.getActualRenderableImageFormatID());
101 const bool isRenderableColor =
102 (vkGetPhysicalDeviceImageFormatProperties(
103 renderer->getPhysicalDevice(), actualRenderableImageVkFormat, params.imageType,
104 VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
105 params.createFlags, &imageProperties)) == VK_SUCCESS;
106 const bool isRenderableDepthStencil =
107 (vkGetPhysicalDeviceImageFormatProperties(
108 renderer->getPhysicalDevice(), actualRenderableImageVkFormat, params.imageType,
109 VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
110 params.createFlags, &imageProperties)) == VK_SUCCESS;
111
112 bool isRenderable = isRenderableColor || isRenderableDepthStencil;
113 EXPECT_EQ(isRenderable, textureCaps.textureAttachment) << actualImageVkFormat;
114 EXPECT_EQ(isRenderable, textureCaps.renderbuffer) << actualImageVkFormat;
115 }
116 }
117 }
118
119 ANGLE_INSTANTIATE_TEST(VulkanFormatTablesTest, ES2_VULKAN());
120
121 } // anonymous namespace
122