| // |
| // Copyright 2020 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| // VulkanFramebufferTest: |
| // Tests to validate our Vulkan framebuffer image allocation. |
| // |
| |
| #include "test_utils/ANGLETest.h" |
| #include "test_utils/angle_test_instantiate.h" |
| // 'None' is defined as 'struct None {};' in |
| // third_party/googletest/src/googletest/include/gtest/internal/gtest-type-util.h. |
| // But 'None' is also defined as a numeric constant 0L in <X11/X.h>. |
| // So we need to include ANGLETest.h first to avoid this conflict. |
| |
| #include "libANGLE/Context.h" |
| #include "libANGLE/angletypes.h" |
| #include "libANGLE/renderer/vulkan/ContextVk.h" |
| #include "libANGLE/renderer/vulkan/ProgramVk.h" |
| #include "libANGLE/renderer/vulkan/TextureVk.h" |
| #include "test_utils/gl_raii.h" |
| #include "util/EGLWindow.h" |
| #include "util/shader_utils.h" |
| |
| using namespace angle; |
| |
| namespace |
| { |
| |
| class VulkanFramebufferTest : public ANGLETest |
| { |
| protected: |
| rx::ContextVk *hackANGLE() const |
| { |
| // Hack the angle! |
| const gl::Context *context = static_cast<gl::Context *>(getEGLWindow()->getContext()); |
| return rx::GetImplAs<rx::ContextVk>(context); |
| } |
| |
| rx::TextureVk *hackTexture(GLuint handle) const |
| { |
| // Hack the angle! |
| const gl::Context *context = static_cast<gl::Context *>(getEGLWindow()->getContext()); |
| const gl::Texture *texture = context->getTexture({handle}); |
| return rx::vk::GetImpl(texture); |
| } |
| }; |
| |
| // Test that framebuffer can be created from a mip-incomplete texture, and that its allocation only |
| // includes the framebuffer's attached mip. |
| TEST_P(VulkanFramebufferTest, TextureAttachmentMipIncomplete) |
| { |
| GLFramebuffer framebuffer; |
| glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| |
| GLTexture texture; |
| glBindTexture(GL_TEXTURE_2D, texture); |
| |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 100, 100, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| glTexImage2D(GL_TEXTURE_2D, 1, GL_RGBA8, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| glTexImage2D(GL_TEXTURE_2D, 2, GL_RGBA8, 5, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
| |
| // Set framebuffer to mip 0. Framebuffer should be complete, and make the texture allocate |
| // an image of only 1 level. |
| glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0); |
| EXPECT_GL_FRAMEBUFFER_COMPLETE(GL_FRAMEBUFFER); |
| |
| glClearColor(0, 0, 0, 1.0f); |
| glClear(GL_COLOR_BUFFER_BIT); |
| EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::black); |
| |
| // http://anglebug.com/4686: The Vulkan backend is allocating three mips of sizes 100x100, |
| // 50x50 and 25x25 instead of one mip of size 100x100. |
| ANGLE_SKIP_TEST_IF(IsVulkan()); |
| |
| rx::TextureVk *textureVk = hackTexture(texture); |
| EXPECT_EQ(textureVk->getImage().getLevelCount(), 1u); |
| } |
| |
| ANGLE_INSTANTIATE_TEST(VulkanFramebufferTest, ES3_VULKAN()); |
| |
| } // anonymous namespace |