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kc3-lang/angle/src/tests/gl_tests/BlitFramebufferANGLETest.cpp
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Author :
Jamie Madill
Date : 2018-12-02 12:03:33
Hash : 35cd7332
Message : Refactor test shader style. This change enforces a lot more consistency. We pass const char * to the Compile functions instead of std::string. Also fixes the indentation of C++11 block comments to be more consistent. Bug: angleproject:2995 Change-Id: Id6e5ea94055d8cbd420df4ea2e81b2d96cb5ce78 Reviewed-on: https://chromium-review.googlesource.com/c/1357103 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>
- src/tests/gl_tests/BlitFramebufferANGLETest.cpp
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// // Copyright 2015 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. // #include "test_utils/ANGLETest.h" #include "test_utils/gl_raii.h" using namespace angle; class BlitFramebufferANGLETest : public ANGLETest { protected: BlitFramebufferANGLETest() { setWindowWidth(32); setWindowHeight(32); setConfigRedBits(8); setConfigGreenBits(8); setConfigBlueBits(8); setConfigAlphaBits(8); setConfigDepthBits(24); setConfigStencilBits(8); mCheckerProgram = 0; mBlueProgram = 0; mRedProgram = 0; mOriginalFBO = 0; mUserFBO = 0; mUserColorBuffer = 0; mUserDepthStencilBuffer = 0; mSmallFBO = 0; mSmallColorBuffer = 0; mSmallDepthStencilBuffer = 0; mColorOnlyFBO = 0; mColorOnlyColorBuffer = 0; mDiffFormatFBO = 0; mDiffFormatColorBuffer = 0; mDiffSizeFBO = 0; mDiffSizeColorBuffer = 0; mMRTFBO = 0; mMRTColorBuffer0 = 0; mMRTColorBuffer1 = 0; mRGBAColorbuffer = 0; mRGBAFBO = 0; mRGBAMultisampledRenderbuffer = 0; mRGBAMultisampledFBO = 0; mBGRAColorbuffer = 0; mBGRAFBO = 0; mBGRAMultisampledRenderbuffer = 0; mBGRAMultisampledFBO = 0; } virtual void SetUp() { ANGLETest::SetUp(); mCheckerProgram = CompileProgram(essl1_shaders::vs::Passthrough(), essl1_shaders::fs::Checkered()); mBlueProgram = CompileProgram(essl1_shaders::vs::Simple(), essl1_shaders::fs::Blue()); mRedProgram = CompileProgram(essl1_shaders::vs::Simple(), essl1_shaders::fs::Red()); if (mCheckerProgram == 0 || mBlueProgram == 0 || mRedProgram == 0) { FAIL() << "shader compilation failed."; } EXPECT_GL_NO_ERROR(); GLint originalFBO; glGetIntegerv(GL_FRAMEBUFFER_BINDING, &originalFBO); if (originalFBO >= 0) { mOriginalFBO = (GLuint)originalFBO; } GLenum format = GL_BGRA_EXT; glGenFramebuffers(1, &mUserFBO); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glGenTextures(1, &mUserColorBuffer); glGenRenderbuffers(1, &mUserDepthStencilBuffer); glBindTexture(GL_TEXTURE_2D, mUserColorBuffer); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mUserColorBuffer, 0); glTexImage2D(GL_TEXTURE_2D, 0, format, getWindowWidth(), getWindowHeight(), 0, format, GL_UNSIGNED_BYTE, nullptr); glBindRenderbuffer(GL_RENDERBUFFER, mUserDepthStencilBuffer); glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8_OES, getWindowWidth(), getWindowHeight()); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mUserDepthStencilBuffer); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mUserDepthStencilBuffer); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); ASSERT_GL_NO_ERROR(); glGenFramebuffers(1, &mSmallFBO); glBindFramebuffer(GL_FRAMEBUFFER, mSmallFBO); glGenTextures(1, &mSmallColorBuffer); glGenRenderbuffers(1, &mSmallDepthStencilBuffer); glBindTexture(GL_TEXTURE_2D, mSmallColorBuffer); glTexImage2D(GL_TEXTURE_2D, 0, format, getWindowWidth() / 2, getWindowHeight() / 2, 0, format, GL_UNSIGNED_BYTE, nullptr); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mSmallColorBuffer, 0); glBindRenderbuffer(GL_RENDERBUFFER, mSmallDepthStencilBuffer); glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8_OES, getWindowWidth() / 2, getWindowHeight() / 2); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mSmallDepthStencilBuffer); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mSmallDepthStencilBuffer); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); ASSERT_GL_NO_ERROR(); glGenFramebuffers(1, &mColorOnlyFBO); glBindFramebuffer(GL_FRAMEBUFFER, mColorOnlyFBO); glGenTextures(1, &mColorOnlyColorBuffer); glBindTexture(GL_TEXTURE_2D, mColorOnlyColorBuffer); glTexImage2D(GL_TEXTURE_2D, 0, format, getWindowWidth(), getWindowHeight(), 0, format, GL_UNSIGNED_BYTE, nullptr); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mColorOnlyColorBuffer, 0); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); ASSERT_GL_NO_ERROR(); glGenFramebuffers(1, &mDiffFormatFBO); glBindFramebuffer(GL_FRAMEBUFFER, mDiffFormatFBO); glGenTextures(1, &mDiffFormatColorBuffer); glBindTexture(GL_TEXTURE_2D, mDiffFormatColorBuffer); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, getWindowWidth(), getWindowHeight(), 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, nullptr); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mDiffFormatColorBuffer, 0); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); ASSERT_GL_NO_ERROR(); glGenFramebuffers(1, &mDiffSizeFBO); glBindFramebuffer(GL_FRAMEBUFFER, mDiffSizeFBO); glGenTextures(1, &mDiffSizeColorBuffer); glBindTexture(GL_TEXTURE_2D, mDiffSizeColorBuffer); glTexImage2D(GL_TEXTURE_2D, 0, format, getWindowWidth() * 2, getWindowHeight() * 2, 0, format, GL_UNSIGNED_BYTE, nullptr); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mDiffSizeColorBuffer, 0); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); ASSERT_GL_NO_ERROR(); if (extensionEnabled("GL_EXT_draw_buffers")) { glGenFramebuffers(1, &mMRTFBO); glBindFramebuffer(GL_FRAMEBUFFER, mMRTFBO); glGenTextures(1, &mMRTColorBuffer0); glGenTextures(1, &mMRTColorBuffer1); glBindTexture(GL_TEXTURE_2D, mMRTColorBuffer0); glTexImage2D(GL_TEXTURE_2D, 0, format, getWindowWidth(), getWindowHeight(), 0, format, GL_UNSIGNED_BYTE, nullptr); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, mMRTColorBuffer0, 0); glBindTexture(GL_TEXTURE_2D, mMRTColorBuffer1); glTexImage2D(GL_TEXTURE_2D, 0, format, getWindowWidth(), getWindowHeight(), 0, format, GL_UNSIGNED_BYTE, nullptr); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, mMRTColorBuffer1, 0); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); ASSERT_GL_NO_ERROR(); } if (extensionEnabled("GL_ANGLE_framebuffer_multisample") && extensionEnabled("GL_OES_rgb8_rgba8")) { // RGBA single-sampled framebuffer glGenTextures(1, &mRGBAColorbuffer); glBindTexture(GL_TEXTURE_2D, mRGBAColorbuffer); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, getWindowWidth(), getWindowHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); glGenFramebuffers(1, &mRGBAFBO); glBindFramebuffer(GL_FRAMEBUFFER, mRGBAFBO); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mRGBAColorbuffer, 0); ASSERT_GL_NO_ERROR(); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); // RGBA multisampled framebuffer glGenRenderbuffers(1, &mRGBAMultisampledRenderbuffer); glBindRenderbuffer(GL_RENDERBUFFER, mRGBAMultisampledRenderbuffer); glRenderbufferStorageMultisampleANGLE(GL_RENDERBUFFER, 1, GL_RGBA8, getWindowWidth(), getWindowHeight()); glGenFramebuffers(1, &mRGBAMultisampledFBO); glBindFramebuffer(GL_FRAMEBUFFER, mRGBAMultisampledFBO); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, mRGBAMultisampledRenderbuffer); ASSERT_GL_NO_ERROR(); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); if (extensionEnabled("GL_EXT_texture_format_BGRA8888")) { // BGRA single-sampled framebuffer glGenTextures(1, &mBGRAColorbuffer); glBindTexture(GL_TEXTURE_2D, mBGRAColorbuffer); glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT, getWindowWidth(), getWindowHeight(), 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, nullptr); glGenFramebuffers(1, &mBGRAFBO); glBindFramebuffer(GL_FRAMEBUFFER, mBGRAFBO); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mBGRAColorbuffer, 0); ASSERT_GL_NO_ERROR(); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); // BGRA multisampled framebuffer glGenRenderbuffers(1, &mBGRAMultisampledRenderbuffer); glBindRenderbuffer(GL_RENDERBUFFER, mBGRAMultisampledRenderbuffer); glRenderbufferStorageMultisampleANGLE(GL_RENDERBUFFER, 1, GL_BGRA8_EXT, getWindowWidth(), getWindowHeight()); glGenFramebuffers(1, &mBGRAMultisampledFBO); glBindFramebuffer(GL_FRAMEBUFFER, mBGRAMultisampledFBO); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, mBGRAMultisampledRenderbuffer); ASSERT_GL_NO_ERROR(); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); } } glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); } virtual void TearDown() { glDeleteProgram(mCheckerProgram); glDeleteProgram(mBlueProgram); glDeleteProgram(mRedProgram); glDeleteFramebuffers(1, &mUserFBO); glDeleteTextures(1, &mUserColorBuffer); glDeleteRenderbuffers(1, &mUserDepthStencilBuffer); glDeleteFramebuffers(1, &mSmallFBO); glDeleteTextures(1, &mSmallColorBuffer); glDeleteRenderbuffers(1, &mSmallDepthStencilBuffer); glDeleteFramebuffers(1, &mColorOnlyFBO); glDeleteTextures(1, &mSmallDepthStencilBuffer); glDeleteFramebuffers(1, &mDiffFormatFBO); glDeleteTextures(1, &mDiffFormatColorBuffer); glDeleteFramebuffers(1, &mDiffSizeFBO); glDeleteTextures(1, &mDiffSizeColorBuffer); if (extensionEnabled("GL_EXT_draw_buffers")) { glDeleteFramebuffers(1, &mMRTFBO); glDeleteTextures(1, &mMRTColorBuffer0); glDeleteTextures(1, &mMRTColorBuffer1); } if (mRGBAColorbuffer != 0) { glDeleteTextures(1, &mRGBAColorbuffer); } if (mRGBAFBO != 0) { glDeleteFramebuffers(1, &mRGBAFBO); } if (mRGBAMultisampledRenderbuffer != 0) { glDeleteRenderbuffers(1, &mRGBAMultisampledRenderbuffer); } if (mRGBAMultisampledFBO != 0) { glDeleteFramebuffers(1, &mRGBAMultisampledFBO); } if (mBGRAColorbuffer != 0) { glDeleteTextures(1, &mBGRAColorbuffer); } if (mBGRAFBO != 0) { glDeleteFramebuffers(1, &mBGRAFBO); } if (mBGRAMultisampledRenderbuffer != 0) { glDeleteRenderbuffers(1, &mBGRAMultisampledRenderbuffer); } if (mBGRAMultisampledFBO != 0) { glDeleteFramebuffers(1, &mBGRAMultisampledFBO); } ANGLETest::TearDown(); } void multisampleTestHelper(GLuint readFramebuffer, GLuint drawFramebuffer) { glClearColor(0.0, 1.0, 0.0, 1.0); glBindFramebuffer(GL_DRAW_FRAMEBUFFER, readFramebuffer); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_READ_FRAMEBUFFER, readFramebuffer); glBindFramebuffer(GL_DRAW_FRAMEBUFFER, drawFramebuffer); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_READ_FRAMEBUFFER, drawFramebuffer); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); } bool checkExtension(const std::string &extension) { if (!extensionEnabled(extension)) { std::cout << "Test skipped because " << extension << " not supported." << std::endl; return false; } return true; } GLuint mCheckerProgram; GLuint mBlueProgram; GLuint mRedProgram; GLuint mOriginalFBO; GLuint mUserFBO; GLuint mUserColorBuffer; GLuint mUserDepthStencilBuffer; GLuint mSmallFBO; GLuint mSmallColorBuffer; GLuint mSmallDepthStencilBuffer; GLuint mColorOnlyFBO; GLuint mColorOnlyColorBuffer; GLuint mDiffFormatFBO; GLuint mDiffFormatColorBuffer; GLuint mDiffSizeFBO; GLuint mDiffSizeColorBuffer; GLuint mMRTFBO; GLuint mMRTColorBuffer0; GLuint mMRTColorBuffer1; GLuint mRGBAColorbuffer; GLuint mRGBAFBO; GLuint mRGBAMultisampledRenderbuffer; GLuint mRGBAMultisampledFBO; GLuint mBGRAColorbuffer; GLuint mBGRAFBO; GLuint mBGRAMultisampledRenderbuffer; GLuint mBGRAMultisampledFBO; }; // Draw to user-created framebuffer, blit whole-buffer color to original framebuffer. TEST_P(BlitFramebufferANGLETest, BlitColorToDefault) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.8f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); } // Draw to system framebuffer, blit whole-buffer color to user-created framebuffer. TEST_P(BlitFramebufferANGLETest, ReverseColorBlit) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); // TODO(jmadill): Fix this. http://anglebug.com/2743 ANGLE_SKIP_TEST_IF(IsVulkan() && IsAndroid()); glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.8f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); } // blit from user-created FBO to system framebuffer, with the scissor test enabled. TEST_P(BlitFramebufferANGLETest, ScissoredBlit) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.8f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); glClearColor(1.0, 1.0, 1.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); glScissor(getWindowWidth() / 2, 0, getWindowWidth() / 2, getWindowHeight()); glEnable(GL_SCISSOR_TEST); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glDisable(GL_SCISSOR_TEST); glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 255, 255, 255); } // blit from system FBO to user-created framebuffer, with the scissor test enabled. TEST_P(BlitFramebufferANGLETest, ReverseScissoredBlit) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); // TODO(jmadill): Fix this. http://anglebug.com/2743 ANGLE_SKIP_TEST_IF(IsVulkan() && IsAndroid()); glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.8f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO); glClearColor(1.0, 1.0, 1.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); glScissor(getWindowWidth() / 2, 0, getWindowWidth() / 2, getWindowHeight()); glEnable(GL_SCISSOR_TEST); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glDisable(GL_SCISSOR_TEST); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 255, 255, 255); } // blit from user-created FBO to system framebuffer, using region larger than buffer. TEST_P(BlitFramebufferANGLETest, OversizedBlit) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.8f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); glClearColor(1.0, 1.0, 1.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); glBlitFramebufferANGLE(0, 0, getWindowWidth() * 2, getWindowHeight() * 2, 0, 0, getWindowWidth() * 2, getWindowHeight() * 2, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); } // blit from system FBO to user-created framebuffer, using region larger than buffer. TEST_P(BlitFramebufferANGLETest, ReverseOversizedBlit) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); // TODO(jmadill): Fix this. http://anglebug.com/2743 ANGLE_SKIP_TEST_IF(IsVulkan() && IsAndroid()); glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.8f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO); glClearColor(1.0, 1.0, 1.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); glBlitFramebufferANGLE(0, 0, getWindowWidth() * 2, getWindowHeight() * 2, 0, 0, getWindowWidth() * 2, getWindowHeight() * 2, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); } // blit from user-created FBO to system framebuffer, with depth buffer. TEST_P(BlitFramebufferANGLETest, BlitWithDepthUserToDefault) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glDepthMask(GL_TRUE); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); glEnable(GL_DEPTH_TEST); EXPECT_GL_NO_ERROR(); // Clear the first half of the screen glEnable(GL_SCISSOR_TEST); glScissor(0, 0, getWindowWidth(), getWindowHeight() / 2); glClearDepthf(0.1f); glClearColor(1.0, 0.0, 0.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Scissor the second half of the screen glScissor(0, getWindowHeight() / 2, getWindowWidth(), getWindowHeight() / 2); glClearDepthf(0.9f); glClearColor(0.0, 1.0, 0.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glDisable(GL_SCISSOR_TEST); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); // if blit is happening correctly, this quad will draw only on the bottom half since it will // be behind on the first half and in front on the second half. drawQuad(mBlueProgram, essl1_shaders::PositionAttrib(), 0.5f); glDisable(GL_DEPTH_TEST); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255); } // blit from system FBO to user-created framebuffer, with depth buffer. TEST_P(BlitFramebufferANGLETest, BlitWithDepthDefaultToUser) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); glDepthMask(GL_TRUE); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); glEnable(GL_DEPTH_TEST); EXPECT_GL_NO_ERROR(); // Clear the first half of the screen glEnable(GL_SCISSOR_TEST); glScissor(0, 0, getWindowWidth(), getWindowHeight() / 2); glClearDepthf(0.1f); glClearColor(1.0, 0.0, 0.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Scissor the second half of the screen glScissor(0, getWindowHeight() / 2, getWindowWidth(), getWindowHeight() / 2); glClearDepthf(0.9f); glClearColor(0.0, 1.0, 0.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glDisable(GL_SCISSOR_TEST); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); // if blit is happening correctly, this quad will draw only on the bottom half since it will be // behind on the first half and in front on the second half. drawQuad(mBlueProgram, essl1_shaders::PositionAttrib(), 0.5f); glDisable(GL_DEPTH_TEST); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255); } // blit from one region of the system fbo to another-- this should fail. TEST_P(BlitFramebufferANGLETest, BlitSameBufferOriginal) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.3f); EXPECT_GL_NO_ERROR(); glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight(), getWindowWidth() / 2, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_OPERATION); } // blit from one region of the system fbo to another. TEST_P(BlitFramebufferANGLETest, BlitSameBufferUser) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.3f); EXPECT_GL_NO_ERROR(); glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight(), getWindowWidth() / 2, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_OPERATION); } TEST_P(BlitFramebufferANGLETest, BlitPartialColor) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.5f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); glClearColor(1.0, 1.0, 1.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, 0, getWindowHeight() / 2, getWindowWidth() / 2, getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 255, 255, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); } TEST_P(BlitFramebufferANGLETest, BlitDifferentSizes) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.5f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mSmallFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); glClearColor(1.0, 1.0, 1.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, mSmallFBO); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_GL_NO_ERROR(); } TEST_P(BlitFramebufferANGLETest, BlitWithMissingAttachments) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mColorOnlyFBO); glClear(GL_COLOR_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.3f); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mColorOnlyFBO); glClearColor(1.0, 1.0, 1.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); // generate INVALID_OPERATION if the read FBO has no depth attachment glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_OPERATION); // generate INVALID_OPERATION if the read FBO has no stencil attachment glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_OPERATION); // generate INVALID_OPERATION if we read from a missing color attachment glReadBuffer(GL_COLOR_ATTACHMENT1); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_OPERATION); } TEST_P(BlitFramebufferANGLETest, BlitStencil) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); // TODO(jmadill): Figure out if we can fix this on D3D9. // https://code.google.com/p/angleproject/issues/detail?id=2205 ANGLE_SKIP_TEST_IF(IsIntel() && IsD3D9()); // TODO(yunchao.he): Diagnose and fix http://anglebug.com/2693 ANGLE_SKIP_TEST_IF(IsIntel() && IsLinux() && IsVulkan()); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glClearColor(0.0, 1.0, 0.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClearStencil(0x0); // Scissor half the screen so we fill the stencil only halfway glScissor(0, 0, getWindowWidth(), getWindowHeight() / 2); glEnable(GL_SCISSOR_TEST); // fill the stencil buffer with 0x1 glStencilFunc(GL_ALWAYS, 0x1, 0xFF); glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE); glEnable(GL_STENCIL_TEST); drawQuad(mRedProgram, essl1_shaders::PositionAttrib(), 0.3f); glDisable(GL_SCISSOR_TEST); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); // These clears are not useful in theory because we're copying over them, but its // helpful in debugging if we see white in any result. glClearColor(1.0, 1.0, 1.0, 1.0); glClearStencil(0x0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); // depth blit request should be silently ignored, because the read FBO has no depth attachment glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); glStencilFunc(GL_EQUAL, 0x1, 0xFF); // only pass if stencil buffer at pixel reads 0x1 drawQuad(mBlueProgram, essl1_shaders::PositionAttrib(), 0.8f); // blue quad will draw if stencil buffer was copied glDisable(GL_STENCIL_TEST); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 0, 0, 255, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 0, 255, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); } // make sure that attempting to blit a partial depth buffer issues an error TEST_P(BlitFramebufferANGLETest, BlitPartialDepthStencil) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.5f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, 0, 0, getWindowWidth() / 2, getWindowHeight() / 2, GL_DEPTH_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_OPERATION); } // Test blit with MRT framebuffers TEST_P(BlitFramebufferANGLETest, BlitMRT) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); if (!extensionEnabled("GL_EXT_draw_buffers")) { return; } GLenum drawBuffers[] = {GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT}; glBindFramebuffer(GL_FRAMEBUFFER, mMRTFBO); glDrawBuffersEXT(2, drawBuffers); glBindFramebuffer(GL_FRAMEBUFFER, mColorOnlyFBO); glClear(GL_COLOR_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.8f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mColorOnlyFBO); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mMRTFBO); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, mMRTFBO); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, 0, 0); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mMRTColorBuffer0, 0); EXPECT_PIXEL_EQ(getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); EXPECT_PIXEL_EQ(getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mMRTColorBuffer0, 0); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, mMRTColorBuffer1, 0); } // Test multisampled framebuffer blits if supported TEST_P(BlitFramebufferANGLETest, MultisampledRGBAToRGBA) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); if (!checkExtension("GL_ANGLE_framebuffer_multisample")) return; if (!checkExtension("GL_OES_rgb8_rgba8")) return; multisampleTestHelper(mRGBAMultisampledFBO, mRGBAFBO); } TEST_P(BlitFramebufferANGLETest, MultisampledRGBAToBGRA) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); if (!checkExtension("GL_ANGLE_framebuffer_multisample")) return; if (!checkExtension("GL_OES_rgb8_rgba8")) return; if (!checkExtension("GL_EXT_texture_format_BGRA8888")) return; multisampleTestHelper(mRGBAMultisampledFBO, mBGRAFBO); } TEST_P(BlitFramebufferANGLETest, MultisampledBGRAToRGBA) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); if (!checkExtension("GL_ANGLE_framebuffer_multisample")) return; if (!checkExtension("GL_OES_rgb8_rgba8")) return; if (!checkExtension("GL_EXT_texture_format_BGRA8888")) return; multisampleTestHelper(mBGRAMultisampledFBO, mRGBAFBO); } TEST_P(BlitFramebufferANGLETest, MultisampledBGRAToBGRA) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); if (!checkExtension("GL_ANGLE_framebuffer_multisample")) return; if (!checkExtension("GL_OES_rgb8_rgba8")) return; if (!checkExtension("GL_EXT_texture_format_BGRA8888")) return; multisampleTestHelper(mBGRAMultisampledFBO, mBGRAFBO); } // Make sure that attempts to stretch in a blit call issue an error TEST_P(BlitFramebufferANGLETest, ErrorStretching) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.5f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_OPERATION); } // Make sure that attempts to flip in a blit call issue an error TEST_P(BlitFramebufferANGLETest, ErrorFlipping) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.5f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, getWindowWidth() / 2, getWindowHeight() / 2, 0, 0, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_OPERATION); } TEST_P(BlitFramebufferANGLETest, Errors) { ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_ANGLE_framebuffer_blit")); glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); drawQuad(mCheckerProgram, essl1_shaders::PositionAttrib(), 0.5f); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_LINEAR); EXPECT_GL_ERROR(GL_INVALID_ENUM); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT | 234, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_VALUE); glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mDiffFormatFBO); glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_OPERATION); } // TODO(geofflang): Fix the dependence on glBlitFramebufferANGLE without checks and assuming the // default framebuffer is BGRA to enable the GL and GLES backends. (http://anglebug.com/1289) class BlitFramebufferTest : public ANGLETest { protected: BlitFramebufferTest() { setWindowWidth(256); setWindowHeight(256); setConfigRedBits(8); setConfigGreenBits(8); setConfigBlueBits(8); setConfigAlphaBits(8); setConfigDepthBits(24); setConfigStencilBits(8); } void initColorFBO(GLFramebuffer *fbo, GLRenderbuffer *rbo, GLenum rboFormat, GLsizei width, GLsizei height) { glBindRenderbuffer(GL_RENDERBUFFER, *rbo); glRenderbufferStorage(GL_RENDERBUFFER, rboFormat, width, height); glBindFramebuffer(GL_FRAMEBUFFER, *fbo); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, *rbo); } void initColorFBOWithCheckerPattern(GLFramebuffer *fbo, GLRenderbuffer *rbo, GLenum rboFormat, GLsizei width, GLsizei height) { initColorFBO(fbo, rbo, rboFormat, width, height); ANGLE_GL_PROGRAM(checkerProgram, essl1_shaders::vs::Passthrough(), essl1_shaders::fs::Checkered()); glViewport(0, 0, width, height); glBindFramebuffer(GL_FRAMEBUFFER, *fbo); drawQuad(checkerProgram.get(), essl1_shaders::PositionAttrib(), 0.5f); } }; // Tests resolving a multisample depth buffer. TEST_P(BlitFramebufferTest, MultisampleDepth) { // TODO(oetuaho@nvidia.com): http://crbug.com/837717 ANGLE_SKIP_TEST_IF(IsOpenGL() && IsOSX()); GLRenderbuffer renderbuf; glBindRenderbuffer(GL_RENDERBUFFER, renderbuf.get()); glRenderbufferStorageMultisample(GL_RENDERBUFFER, 2, GL_DEPTH_COMPONENT24, 256, 256); constexpr char kFS[] = "#version 300 es\n" "out mediump vec4 red;\n" "void main() {\n" " red = vec4(1.0, 0.0, 0.0, 1.0);\n" " gl_FragDepth = 0.5;\n" "}"; ANGLE_GL_PROGRAM(drawRed, essl3_shaders::vs::Simple(), kFS); GLFramebuffer framebuffer; glBindFramebuffer(GL_FRAMEBUFFER, framebuffer.get()); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, renderbuf.get()); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); glClearDepthf(0.5f); glClear(GL_DEPTH_BUFFER_BIT); GLRenderbuffer destRenderbuf; glBindRenderbuffer(GL_RENDERBUFFER, destRenderbuf.get()); glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, 256, 256); GLFramebuffer resolved; glBindFramebuffer(GL_DRAW_FRAMEBUFFER, resolved.get()); glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, destRenderbuf.get()); glBindFramebuffer(GL_READ_FRAMEBUFFER, framebuffer.get()); glBlitFramebuffer(0, 0, 256, 256, 0, 0, 256, 256, GL_DEPTH_BUFFER_BIT, GL_NEAREST); glBindFramebuffer(GL_FRAMEBUFFER, resolved.get()); GLTexture colorbuf; glBindTexture(GL_TEXTURE_2D, colorbuf.get()); glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, 256, 256); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, colorbuf.get(), 0); ASSERT_GL_NO_ERROR(); // Clear to green glClearColor(0.0f, 1.0f, 0.0f, 1.0f); glClear(GL_COLOR_BUFFER_BIT); EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::green); // Draw with 0.5f test and the test should pass. glEnable(GL_DEPTH_TEST); glDepthFunc(GL_EQUAL); drawQuad(drawRed.get(), essl3_shaders::PositionAttrib(), 0.5f); EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::red); ASSERT_GL_NO_ERROR(); } // Test resolving a multisampled stencil buffer. TEST_P(BlitFramebufferTest, MultisampleStencil) { // Incorrect rendering results seen on AMD Windows OpenGL. http://anglebug.com/2486 ANGLE_SKIP_TEST_IF(IsAMD() && IsOpenGL() && IsWindows()); GLRenderbuffer renderbuf; glBindRenderbuffer(GL_RENDERBUFFER, renderbuf.get()); glRenderbufferStorageMultisample(GL_RENDERBUFFER, 2, GL_STENCIL_INDEX8, 256, 256); ANGLE_GL_PROGRAM(drawRed, essl3_shaders::vs::Simple(), essl3_shaders::fs::Red()); GLFramebuffer framebuffer; glBindFramebuffer(GL_FRAMEBUFFER, framebuffer.get()); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, renderbuf.get()); ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); // fill the stencil buffer with 0x1 glStencilFunc(GL_ALWAYS, 0x1, 0xFF); glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE); glEnable(GL_STENCIL_TEST); drawQuad(drawRed.get(), essl3_shaders::PositionAttrib(), 0.5f); GLTexture destColorbuf; glBindTexture(GL_TEXTURE_2D, destColorbuf.get()); glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, 256, 256); GLRenderbuffer destRenderbuf; glBindRenderbuffer(GL_RENDERBUFFER, destRenderbuf.get()); glRenderbufferStorage(GL_RENDERBUFFER, GL_STENCIL_INDEX8, 256, 256); GLFramebuffer resolved; glBindFramebuffer(GL_DRAW_FRAMEBUFFER, resolved.get()); glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, destColorbuf.get(), 0); glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, destRenderbuf.get()); glBindFramebuffer(GL_READ_FRAMEBUFFER, framebuffer.get()); glBlitFramebuffer(0, 0, 256, 256, 0, 0, 256, 256, GL_STENCIL_BUFFER_BIT, GL_NEAREST); glBindFramebuffer(GL_FRAMEBUFFER, resolved.get()); ASSERT_GL_NO_ERROR(); // Clear to green glClearColor(0.0f, 1.0f, 0.0f, 1.0f); glClear(GL_COLOR_BUFFER_BIT); EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::green); // Draw red if the stencil is 0x1, which should be true after the blit/resolve. glStencilFunc(GL_EQUAL, 0x1, 0xFF); drawQuad(drawRed.get(), essl3_shaders::PositionAttrib(), 0.5f); EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::red); ASSERT_GL_NO_ERROR(); } // Blit an SRGB framebuffer and scale it. TEST_P(BlitFramebufferTest, BlitSRGBToRGBAndScale) { constexpr const GLsizei kWidth = 256; constexpr const GLsizei kHeight = 256; GLRenderbuffer sourceRBO, targetRBO; GLFramebuffer sourceFBO, targetFBO; initColorFBOWithCheckerPattern(&sourceFBO, &sourceRBO, GL_SRGB8_ALPHA8, kWidth * 2, kHeight * 2); initColorFBO(&targetFBO, &targetRBO, GL_RGBA8, kWidth, kHeight); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_READ_FRAMEBUFFER, sourceFBO); glBindFramebuffer(GL_DRAW_FRAMEBUFFER, targetFBO); glViewport(0, 0, kWidth, kHeight); glClearColor(0.0f, 0.0f, 0.0f, 0.0f); glClear(GL_COLOR_BUFFER_BIT); // Scale down without flipping. glBlitFramebuffer(0, 0, kWidth * 2, kHeight * 2, 0, 0, kWidth, kHeight, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, targetFBO); EXPECT_PIXEL_COLOR_EQ(kWidth / 4, kHeight / 4, GLColor::red); EXPECT_PIXEL_COLOR_EQ(3 * kWidth / 4, kHeight / 4, GLColor::green); EXPECT_PIXEL_COLOR_EQ(3 * kWidth / 4, 3 * kHeight / 4, GLColor::red); EXPECT_PIXEL_COLOR_EQ(kWidth / 4, 3 * kHeight / 4, GLColor::green); glBindFramebuffer(GL_READ_FRAMEBUFFER, sourceFBO); glBindFramebuffer(GL_DRAW_FRAMEBUFFER, targetFBO); glClearColor(0.0f, 0.0f, 0.0f, 0.0f); glClear(GL_COLOR_BUFFER_BIT); // Scale down and flip in the X direction. glBlitFramebuffer(0, 0, kWidth * 2, kHeight * 2, kWidth, 0, 0, kHeight, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, targetFBO); EXPECT_PIXEL_COLOR_EQ(kWidth / 4, kHeight / 4, GLColor::green); EXPECT_PIXEL_COLOR_EQ(3 * kWidth / 4, kHeight / 4, GLColor::red); EXPECT_PIXEL_COLOR_EQ(3 * kWidth / 4, 3 * kHeight / 4, GLColor::green); EXPECT_PIXEL_COLOR_EQ(kWidth / 4, 3 * kHeight / 4, GLColor::red); } // Blit a subregion of an SRGB framebuffer to an RGB framebuffer. TEST_P(BlitFramebufferTest, PartialBlitSRGBToRGB) { constexpr const GLsizei kWidth = 256; constexpr const GLsizei kHeight = 256; GLRenderbuffer sourceRBO, targetRBO; GLFramebuffer sourceFBO, targetFBO; initColorFBOWithCheckerPattern(&sourceFBO, &sourceRBO, GL_SRGB8_ALPHA8, kWidth * 2, kHeight * 2); initColorFBO(&targetFBO, &targetRBO, GL_RGBA8, kWidth, kHeight); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_READ_FRAMEBUFFER, sourceFBO); glBindFramebuffer(GL_DRAW_FRAMEBUFFER, targetFBO); glViewport(0, 0, kWidth, kHeight); glClearColor(0.0f, 0.0f, 0.0f, 0.0f); glClear(GL_COLOR_BUFFER_BIT); // Blit a part of the source FBO without flipping. glBlitFramebuffer(kWidth, kHeight, kWidth * 2, kHeight * 2, 0, 0, kWidth, kHeight, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, targetFBO); EXPECT_PIXEL_COLOR_EQ(kWidth / 4, kHeight / 4, GLColor::red); EXPECT_PIXEL_COLOR_EQ(3 * kWidth / 4, kHeight / 4, GLColor::red); EXPECT_PIXEL_COLOR_EQ(3 * kWidth / 4, 3 * kHeight / 4, GLColor::red); EXPECT_PIXEL_COLOR_EQ(kWidth / 4, 3 * kHeight / 4, GLColor::red); glBindFramebuffer(GL_READ_FRAMEBUFFER, sourceFBO); glBindFramebuffer(GL_DRAW_FRAMEBUFFER, targetFBO); glClearColor(0.0f, 0.0f, 0.0f, 0.0f); glClear(GL_COLOR_BUFFER_BIT); // Blit a part of the source FBO and flip in the X direction. glBlitFramebuffer(kWidth * 2, 0, kWidth, kHeight, kWidth, 0, 0, kHeight, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, targetFBO); EXPECT_PIXEL_COLOR_EQ(kWidth / 4, kHeight / 4, GLColor::green); EXPECT_PIXEL_COLOR_EQ(3 * kWidth / 4, kHeight / 4, GLColor::green); EXPECT_PIXEL_COLOR_EQ(3 * kWidth / 4, 3 * kHeight / 4, GLColor::green); EXPECT_PIXEL_COLOR_EQ(kWidth / 4, 3 * kHeight / 4, GLColor::green); } // Blit an SRGB framebuffer with an oversized source area (parts outside the source area should be // clipped out). TEST_P(BlitFramebufferTest, BlitSRGBToRGBOversizedSourceArea) { constexpr const GLsizei kWidth = 256; constexpr const GLsizei kHeight = 256; GLRenderbuffer sourceRBO, targetRBO; GLFramebuffer sourceFBO, targetFBO; initColorFBOWithCheckerPattern(&sourceFBO, &sourceRBO, GL_SRGB8_ALPHA8, kWidth, kHeight); initColorFBO(&targetFBO, &targetRBO, GL_RGBA8, kWidth, kHeight); EXPECT_GL_NO_ERROR(); glViewport(0, 0, kWidth, kHeight); glBindFramebuffer(GL_READ_FRAMEBUFFER, sourceFBO); glBindFramebuffer(GL_DRAW_FRAMEBUFFER, targetFBO); glClearColor(0.0f, 0.0f, 0.0f, 1.0f); glClear(GL_COLOR_BUFFER_BIT); // Blit so that the source area gets placed at the center of the target FBO. // The width of the source area is 1/4 of the width of the target FBO. glBlitFramebuffer(-3 * kWidth / 2, -3 * kHeight / 2, 5 * kWidth / 2, 5 * kHeight / 2, 0, 0, kWidth, kHeight, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_NO_ERROR(); glBindFramebuffer(GL_FRAMEBUFFER, targetFBO); // Source FBO colors can be found in the middle of the target FBO. EXPECT_PIXEL_COLOR_EQ(7 * kWidth / 16, 7 * kHeight / 16, GLColor::red); EXPECT_PIXEL_COLOR_EQ(9 * kWidth / 16, 7 * kHeight / 16, GLColor::green); EXPECT_PIXEL_COLOR_EQ(9 * kWidth / 16, 9 * kHeight / 16, GLColor::red); EXPECT_PIXEL_COLOR_EQ(7 * kWidth / 16, 9 * kHeight / 16, GLColor::green); // Clear color should remain around the edges of the target FBO (WebGL 2.0 spec explicitly // requires this and ANGLE is expected to follow that). EXPECT_PIXEL_COLOR_EQ(kWidth / 4, kHeight / 4, GLColor::black); EXPECT_PIXEL_COLOR_EQ(3 * kWidth / 4, kHeight / 4, GLColor::black); EXPECT_PIXEL_COLOR_EQ(3 * kWidth / 4, 3 * kHeight / 4, GLColor::black); EXPECT_PIXEL_COLOR_EQ(kWidth / 4, 3 * kHeight / 4, GLColor::black); } // Test blitFramebuffer size overflow checks. WebGL 2.0 spec section 5.41. We do validation for // overflows also in non-WebGL mode to avoid triggering driver bugs. TEST_P(BlitFramebufferTest, BlitFramebufferSizeOverflow) { GLTexture textures[2]; glBindTexture(GL_TEXTURE_2D, textures[0]); glTexStorage2D(GL_TEXTURE_2D, 3, GL_RGBA8, 4, 4); glBindTexture(GL_TEXTURE_2D, textures[1]); glTexStorage2D(GL_TEXTURE_2D, 3, GL_RGBA8, 4, 4); GLFramebuffer framebuffers[2]; glBindFramebuffer(GL_READ_FRAMEBUFFER, framebuffers[0]); glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffers[1]); ASSERT_GL_NO_ERROR(); glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, textures[0], 0); glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, textures[1], 0); ASSERT_GL_NO_ERROR(); // srcX glBlitFramebuffer(-1, 0, std::numeric_limits<GLint>::max(), 4, 0, 0, 4, 4, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_VALUE); glBlitFramebuffer(std::numeric_limits<GLint>::max(), 0, -1, 4, 0, 0, 4, 4, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_VALUE); // srcY glBlitFramebuffer(0, -1, 4, std::numeric_limits<GLint>::max(), 0, 0, 4, 4, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_VALUE); glBlitFramebuffer(0, std::numeric_limits<GLint>::max(), 4, -1, 0, 0, 4, 4, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_VALUE); // dstX glBlitFramebuffer(0, 0, 4, 4, -1, 0, std::numeric_limits<GLint>::max(), 4, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_VALUE); glBlitFramebuffer(0, 0, 4, 4, std::numeric_limits<GLint>::max(), 0, -1, 4, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_VALUE); // dstY glBlitFramebuffer(0, 0, 4, 4, 0, -1, 4, std::numeric_limits<GLint>::max(), GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_VALUE); glBlitFramebuffer(0, 0, 4, 4, 0, std::numeric_limits<GLint>::max(), 4, -1, GL_COLOR_BUFFER_BIT, GL_NEAREST); EXPECT_GL_ERROR(GL_INVALID_VALUE); } // Use this to select which configurations (e.g. which renderer, which GLES major version) these // tests should be run against. ANGLE_INSTANTIATE_TEST(BlitFramebufferANGLETest, ES2_D3D9(), ES2_D3D11(EGL_EXPERIMENTAL_PRESENT_PATH_COPY_ANGLE), ES2_D3D11(EGL_EXPERIMENTAL_PRESENT_PATH_FAST_ANGLE), ES2_OPENGL(), ES3_OPENGL(), ES2_VULKAN()); // We're specifically testing GL 4.4 and GL 4.3 since on versions earlier than 4.4 FramebufferGL // takes a different path for blitting SRGB textures. ANGLE_INSTANTIATE_TEST(BlitFramebufferTest, ES3_D3D11(), ES3_OPENGL(4, 4), ES3_OPENGL(4, 3));