| /*------------------------------------------------------------------------- |
| * drawElements Quality Program OpenGL ES 2.0 Module |
| * ------------------------------------------------- |
| * |
| * Copyright 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ /*! |
| * \file |
| * \brief GL_EXT_multisample_render_to_texture tests. |
| */ /*--------------------------------------------------------------------*/ |
| |
| #include "es2fMultisampledRenderToTextureTests.hpp" |
| |
| #include "deString.h" |
| #include "deStringUtil.hpp" |
| #include "gluContextInfo.hpp" |
| #include "gluPixelTransfer.hpp" |
| #include "gluShaderProgram.hpp" |
| #include "glw.h" |
| #include "glwEnums.hpp" |
| #include "glwFunctions.hpp" |
| #include "tcuRenderTarget.hpp" |
| #include "tcuSurface.hpp" |
| #include "tcuTestLog.hpp" |
| #include "tcuVector.hpp" |
| |
| using tcu::TestLog; |
| using tcu::Vec4; |
| |
| namespace deqp |
| { |
| namespace gles2 |
| { |
| namespace Functional |
| { |
| |
| class MultisampledRenderToTextureReadPixelsCase : public TestCase |
| { |
| public: |
| MultisampledRenderToTextureReadPixelsCase(Context& context, const char* name, const char* description); |
| ~MultisampledRenderToTextureReadPixelsCase(); |
| void init(); |
| IterateResult iterate(); |
| |
| private: |
| MultisampledRenderToTextureReadPixelsCase(const MultisampledRenderToTextureReadPixelsCase& other); |
| MultisampledRenderToTextureReadPixelsCase& operator=(const MultisampledRenderToTextureReadPixelsCase& other); |
| }; |
| |
| MultisampledRenderToTextureReadPixelsCase::MultisampledRenderToTextureReadPixelsCase(Context& context, const char* name, const char* description) |
| : TestCase(context, name, description) |
| { |
| } |
| |
| MultisampledRenderToTextureReadPixelsCase::~MultisampledRenderToTextureReadPixelsCase() |
| { |
| } |
| |
| void MultisampledRenderToTextureReadPixelsCase::init() |
| { |
| const glu::ContextInfo& contextInfo = m_context.getContextInfo(); |
| if (!contextInfo.isExtensionSupported("GL_EXT_multisampled_render_to_texture")) |
| { |
| TCU_THROW(NotSupportedError, "EXT_multisampled_render_to_texture is not supported"); |
| } |
| } |
| |
| MultisampledRenderToTextureReadPixelsCase::IterateResult MultisampledRenderToTextureReadPixelsCase::iterate() |
| { |
| // Test for a bug where ReadPixels fails on multisampled textures. |
| // See http://crbug.com/890002 |
| // Note that this does not test whether multisampling is working properly, |
| // only that ReadPixels is able to read from the texture. |
| const glw::Functions& gl = m_context.getRenderContext().getFunctions(); |
| // Create a framebuffer with a multisampled texture and a depth-stencil |
| // renderbuffer. |
| GLuint framebuffer = 0; |
| GLuint texture = 0; |
| gl.genFramebuffers(1, &framebuffer); |
| gl.genTextures(1, &texture); |
| gl.bindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| gl.bindTexture(GL_TEXTURE_2D, texture); |
| gl.texImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); |
| GLint max_samples = 0; |
| gl.getIntegerv(GL_MAX_SAMPLES_EXT, &max_samples); |
| gl.framebufferTexture2DMultisampleEXT(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0, max_samples); |
| GLuint depthStencil = 0; |
| gl.genRenderbuffers(1, &depthStencil); |
| gl.bindRenderbuffer(GL_RENDERBUFFER, depthStencil); |
| gl.renderbufferStorageMultisampleEXT(GL_RENDERBUFFER, max_samples, GL_DEPTH24_STENCIL8, 1, 1); |
| gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthStencil); |
| gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, depthStencil); |
| if (gl.checkFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) { |
| TCU_THROW(NotSupportedError, "Framebuffer format not supported."); |
| } |
| gl.clearColor(1, 0, 1, 0); |
| gl.clear(GL_COLOR_BUFFER_BIT); |
| GLU_EXPECT_NO_ERROR(gl.getError(), "init"); |
| |
| // ReadPixels should implicitly resolve the multisampled buffer. |
| GLubyte pixel[4] = { 0, 1, 0, 1 }; |
| gl.readPixels(0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &pixel); |
| GLU_EXPECT_NO_ERROR(gl.getError(), "ReadPixels"); |
| |
| if (pixel[0] != 255 || pixel[1] != 0 || pixel[2] != 255 || pixel[3] != 0) |
| { |
| std::ostringstream msg; |
| msg << "ReadPixels read incorrect values: [" << (int)pixel[0] << ", " << (int)pixel[1] << ", " << (int)pixel[2] << ", " << (int)pixel[3] << "]"; |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, msg.str().c_str()); |
| } |
| else |
| { |
| m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); |
| } |
| |
| gl.bindFramebuffer(GL_FRAMEBUFFER, 0); |
| gl.bindTexture(GL_TEXTURE_2D, 0); |
| gl.bindRenderbuffer(GL_RENDERBUFFER, 0); |
| gl.deleteFramebuffers(1, &framebuffer); |
| gl.deleteRenderbuffers(1, &depthStencil); |
| gl.deleteTextures(1, &texture); |
| return STOP; |
| } |
| |
| MultisampledRenderToTextureTests::MultisampledRenderToTextureTests(Context& context) : TestCaseGroup(context, "multisampled_render_to_texture", "EXT_multisampled_render_to_texture tests") |
| { |
| } |
| |
| MultisampledRenderToTextureTests::~MultisampledRenderToTextureTests() |
| { |
| } |
| |
| void MultisampledRenderToTextureTests::init() |
| { |
| addChild(new MultisampledRenderToTextureReadPixelsCase(m_context, "readpixels", "Test ReadPixels with EXT_multisampled_render_to_texture")); |
| } |
| |
| } // namespace Functional |
| } // namespace gles2 |
| } // namespace deqp |