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- // Copyright 2014 The Chromium 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 <GLES2/gl2.h>
- #include <GLES2/gl2ext.h>
- #include <GLES2/gl2extchromium.h>
- #include <stddef.h>
- #include <stdint.h>
- #include "build/build_config.h"
- #include "gpu/command_buffer/client/gles2_implementation.h"
- #include "gpu/command_buffer/client/gles2_lib.h"
- #include "gpu/command_buffer/common/mailbox.h"
- #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
- #include "gpu/command_buffer/service/mailbox_manager.h"
- #include "gpu/command_buffer/tests/gl_manager.h"
- #include "testing/gmock/include/gmock/gmock.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "ui/gl/gl_share_group.h"
- namespace gpu {
- namespace {
- GLcolorSpace GetGLColorSpace() {
- static gfx::ColorSpace color_space = gfx::ColorSpace::CreateSRGB();
- return color_space.AsGLColorSpace();
- }
- uint32_t ReadTexel(GLuint id, GLint x, GLint y) {
- GLint old_fbo = 0;
- glGetIntegerv(GL_FRAMEBUFFER_BINDING, &old_fbo);
- GLuint fbo;
- glGenFramebuffers(1, &fbo);
- glBindFramebuffer(GL_FRAMEBUFFER, fbo);
- glFramebufferTexture2D(GL_FRAMEBUFFER,
- GL_COLOR_ATTACHMENT0,
- GL_TEXTURE_2D,
- id,
- 0);
- // Some drivers (NVidia/SGX) require texture settings to be a certain way or
- // they won't report FRAMEBUFFER_COMPLETE.
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
- glCheckFramebufferStatus(GL_FRAMEBUFFER));
- uint32_t texel = 0;
- glReadPixels(x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &texel);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- glBindFramebuffer(GL_FRAMEBUFFER, old_fbo);
- glDeleteFramebuffers(1, &fbo);
- return texel;
- }
- }
- class GLTextureMailboxTest : public testing::Test {
- protected:
- void SetUpContexts() {
- gl1_.Initialize(GLManager::Options());
- GLManager::Options options;
- options.share_mailbox_manager = &gl1_;
- gl2_.Initialize(options);
- }
- void TearDown() override {
- gl1_.Destroy();
- gl2_.Destroy();
- }
- // The second GL context takes and consumes a mailbox from the first GL
- // context. Assumes that |gl1_| is current.
- Mailbox TakeAndConsumeMailbox() {
- glResizeCHROMIUM(10, 10, 1, GetGLColorSpace(), true);
- glClearColor(0, 1, 1, 1);
- glClear(GL_COLOR_BUFFER_BIT);
- ::gles2::GetGLContext()->SwapBuffers(1);
- Mailbox mailbox = Mailbox::Generate();
- gl1_.decoder()->TakeFrontBuffer(mailbox);
- gl2_.MakeCurrent();
- GLuint tex = glCreateAndConsumeTextureCHROMIUM(mailbox.name);
- glBindTexture(GL_TEXTURE_2D, tex);
- glDeleteTextures(1, &tex);
- glFlush();
- gl1_.MakeCurrent();
- return mailbox;
- }
- void AllocateTextureBackedFramebuffer(GLuint* tex, GLuint* fbo) {
- glGenTextures(1, tex);
- glBindTexture(GL_TEXTURE_2D, *tex);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
- nullptr);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glGenFramebuffers(1, fbo);
- glBindFramebuffer(GL_FRAMEBUFFER, *fbo);
- glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
- *tex, 0);
- ASSERT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
- glCheckFramebufferStatus(GL_FRAMEBUFFER));
- }
- GLManager gl1_;
- GLManager gl2_;
- };
- TEST_F(GLTextureMailboxTest, ProduceAndConsumeTexture) {
- SetUpContexts();
- gl1_.MakeCurrent();
- GLuint tex1;
- glGenTextures(1, &tex1);
- glBindTexture(GL_TEXTURE_2D, tex1);
- uint32_t source_pixel = 0xFF0000FF;
- glTexImage2D(GL_TEXTURE_2D,
- 0,
- GL_RGBA,
- 1, 1,
- 0,
- GL_RGBA,
- GL_UNSIGNED_BYTE,
- &source_pixel);
- GLbyte mailbox1[GL_MAILBOX_SIZE_CHROMIUM];
- glProduceTextureDirectCHROMIUM(tex1, mailbox1);
- glFlush();
- gl2_.MakeCurrent();
- GLuint tex2 = glCreateAndConsumeTextureCHROMIUM(mailbox1);
- glBindTexture(GL_TEXTURE_2D, tex2);
- EXPECT_EQ(source_pixel, ReadTexel(tex2, 0, 0));
- GLbyte mailbox2[GL_MAILBOX_SIZE_CHROMIUM];
- glProduceTextureDirectCHROMIUM(tex2, mailbox2);
- glFlush();
- gl1_.MakeCurrent();
- tex1 = glCreateAndConsumeTextureCHROMIUM(mailbox2);
- glBindTexture(GL_TEXTURE_2D, tex1);
- EXPECT_EQ(source_pixel, ReadTexel(tex1, 0, 0));
- }
- TEST_F(GLTextureMailboxTest, ProduceAndConsumeTextureRGB) {
- SetUpContexts();
- gl1_.MakeCurrent();
- GLuint tex1;
- glGenTextures(1, &tex1);
- glBindTexture(GL_TEXTURE_2D, tex1);
- uint32_t source_pixel = 0xFF000000;
- glTexImage2D(GL_TEXTURE_2D,
- 0,
- GL_RGB,
- 1, 1,
- 0,
- GL_RGB,
- GL_UNSIGNED_BYTE,
- &source_pixel);
- GLbyte mailbox1[GL_MAILBOX_SIZE_CHROMIUM];
- glProduceTextureDirectCHROMIUM(tex1, mailbox1);
- glFlush();
- gl2_.MakeCurrent();
- GLuint tex2 = glCreateAndConsumeTextureCHROMIUM(mailbox1);
- glBindTexture(GL_TEXTURE_2D, tex2);
- EXPECT_EQ(source_pixel, ReadTexel(tex2, 0, 0));
- GLbyte mailbox2[GL_MAILBOX_SIZE_CHROMIUM];
- glProduceTextureDirectCHROMIUM(tex2, mailbox2);
- glFlush();
- gl1_.MakeCurrent();
- tex1 = glCreateAndConsumeTextureCHROMIUM(mailbox2);
- glBindTexture(GL_TEXTURE_2D, tex1);
- EXPECT_EQ(source_pixel, ReadTexel(tex1, 0, 0));
- }
- TEST_F(GLTextureMailboxTest, SharedTextures) {
- SetUpContexts();
- gl1_.MakeCurrent();
- GLuint tex1;
- glGenTextures(1, &tex1);
- glBindTexture(GL_TEXTURE_2D, tex1);
- uint32_t source_pixel = 0xFF0000FF;
- glTexImage2D(GL_TEXTURE_2D,
- 0,
- GL_RGBA,
- 1, 1,
- 0,
- GL_RGBA,
- GL_UNSIGNED_BYTE,
- &source_pixel);
- GLbyte mailbox[GL_MAILBOX_SIZE_CHROMIUM];
- glProduceTextureDirectCHROMIUM(tex1, mailbox);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- glFlush();
- gl2_.MakeCurrent();
- GLuint tex2 = glCreateAndConsumeTextureCHROMIUM(mailbox);
- glBindTexture(GL_TEXTURE_2D, tex2);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- // Change texture in context 2.
- source_pixel = 0xFF00FF00;
- glTexSubImage2D(GL_TEXTURE_2D,
- 0,
- 0, 0,
- 1, 1,
- GL_RGBA,
- GL_UNSIGNED_BYTE,
- &source_pixel);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- glFlush();
- // Check it in context 1.
- gl1_.MakeCurrent();
- EXPECT_EQ(source_pixel, ReadTexel(tex1, 0, 0));
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- // Change parameters (note: ReadTexel will reset those).
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
- GL_LINEAR_MIPMAP_NEAREST);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- glFlush();
- // Check in context 2.
- gl2_.MakeCurrent();
- GLint parameter = 0;
- glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, ¶meter);
- EXPECT_EQ(GL_REPEAT, parameter);
- parameter = 0;
- glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, ¶meter);
- EXPECT_EQ(GL_LINEAR, parameter);
- parameter = 0;
- glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, ¶meter);
- EXPECT_EQ(GL_LINEAR_MIPMAP_NEAREST, parameter);
- // Delete texture in context 1.
- gl1_.MakeCurrent();
- glDeleteTextures(1, &tex1);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- // Check texture still exists in context 2.
- gl2_.MakeCurrent();
- EXPECT_EQ(source_pixel, ReadTexel(tex2, 0, 0));
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- // The mailbox should still exist too.
- GLuint tex3 = glCreateAndConsumeTextureCHROMIUM(mailbox);
- glBindTexture(GL_TEXTURE_2D, tex3);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- // Delete both textures.
- glDeleteTextures(1, &tex2);
- glDeleteTextures(1, &tex3);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- // Mailbox should be gone now.
- tex2 = glCreateAndConsumeTextureCHROMIUM(mailbox);
- glBindTexture(GL_TEXTURE_2D, tex2);
- EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
- glDeleteTextures(1, &tex2);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- }
- TEST_F(GLTextureMailboxTest, OrderingBarrierImpliesFlush) {
- SetUpContexts();
- gl2_.MakeCurrent();
- // If the current platform requires the use of virtualized GL contexts
- // for correctness, this harness does not respect that flag, so skip
- // this test.
- if (gl2_.workarounds().use_virtualized_gl_contexts) {
- SUCCEED() << "Platform requires virtualized GL contexts; skipping.";
- return;
- }
- GLuint fbo2 = 0;
- glGenFramebuffers(1, &fbo2);
- glBindFramebuffer(GL_FRAMEBUFFER, fbo2);
- gl1_.MakeCurrent();
- GLuint tex1 = 0;
- GLuint fbo1 = 0;
- AllocateTextureBackedFramebuffer(&tex1, &fbo1);
- // Many times:
- // - Set the texture to one color in context 1
- // - Mailbox the texture to context 2
- // - Set the texture to another color in context 2
- // - Mailbox the texture to context 1
- // - Read back the framebuffer in context 1
- // - Assert it's the color set by context 2
- GLbyte mailbox[GL_MAILBOX_SIZE_CHROMIUM];
- glProduceTextureDirectCHROMIUM(tex1, mailbox);
- for (int i = 0; i < 1000; ++i) {
- // Assume context 1 is current.
- // Clear to red
- glClearColor(1.0, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT);
- // Enforce ordering with respect to context 2.
- gl1_.gles2_implementation()->OrderingBarrierCHROMIUM();
- // Consume texture in context 2.
- gl2_.MakeCurrent();
- GLuint tex2 = glCreateAndConsumeTextureCHROMIUM(mailbox);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- // Set up framebuffer in context 2 (strictly, not necessary, could
- // do this just once).
- glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
- tex2, 0);
- EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
- glCheckFramebufferStatus(GL_FRAMEBUFFER));
- // Clear to green.
- glClearColor(0.0, 1.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT);
- glDeleteTextures(1, &tex2);
- // Enforce ordering with respect to context 2.
- gl2_.gles2_implementation()->OrderingBarrierCHROMIUM();
- // Consume texture in context 1.
- gl1_.MakeCurrent();
- // Read back framebuffer.
- GLubyte pixel[4];
- glReadPixels(0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &pixel[0]);
- EXPECT_EQ(0, pixel[0]);
- EXPECT_EQ(255, pixel[1]);
- EXPECT_EQ(0, pixel[2]);
- EXPECT_EQ(255, pixel[3]);
- }
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
- glDeleteFramebuffers(1, &fbo1);
- glBindTexture(GL_TEXTURE_2D, 0);
- glDeleteTextures(1, &tex1);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- gl2_.MakeCurrent();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
- glDeleteFramebuffers(1, &fbo2);
- glBindTexture(GL_TEXTURE_2D, 0);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- }
- TEST_F(GLTextureMailboxTest, TakeFrontBuffer) {
- SetUpContexts();
- gl2_.MakeCurrent();
- glResizeCHROMIUM(10, 10, 1, GetGLColorSpace(), true);
- glClearColor(0, 1, 1, 1);
- glClear(GL_COLOR_BUFFER_BIT);
- ::gles2::GetGLContext()->SwapBuffers(1);
- Mailbox mailbox = Mailbox::Generate();
- gl2_.decoder()->TakeFrontBuffer(mailbox);
- gl1_.MakeCurrent();
- GLuint tex1 = glCreateAndConsumeTextureCHROMIUM(mailbox.name);
- glBindTexture(GL_TEXTURE_2D, tex1);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- EXPECT_EQ(0xFFFFFF00u, ReadTexel(tex1, 0, 0));
- gl2_.MakeCurrent();
- glClearColor(1, 0, 0, 1);
- glClear(GL_COLOR_BUFFER_BIT);
- ::gles2::GetGLContext()->SwapBuffers(1);
- gl1_.MakeCurrent();
- EXPECT_EQ(0xFFFFFF00u, ReadTexel(tex1, 0, 0));
- glDeleteTextures(1, &tex1);
- gl2_.MakeCurrent();
- gl2_.decoder()->ReturnFrontBuffer(mailbox, false);
- // Flushing doesn't matter, only SwapBuffers(1).
- glClearColor(0, 1, 0, 1);
- glClear(GL_COLOR_BUFFER_BIT);
- glFlush();
- Mailbox mailbox2 = Mailbox::Generate();
- gl2_.decoder()->TakeFrontBuffer(mailbox2);
- gl1_.MakeCurrent();
- tex1 = glCreateAndConsumeTextureCHROMIUM(mailbox2.name);
- glBindTexture(GL_TEXTURE_2D, tex1);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- EXPECT_EQ(0xFF0000FFu, ReadTexel(tex1, 0, 0));
- gl2_.MakeCurrent();
- gl2_.Destroy();
- gl1_.MakeCurrent();
- EXPECT_EQ(0xFF0000FFu, ReadTexel(tex1, 0, 0));
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- glDeleteTextures(1, &tex1);
- }
- // The client, represented by |gl2_|, will request 5 frontbuffers, and then
- // start returning them.
- TEST_F(GLTextureMailboxTest, FrontBufferCache) {
- SetUpContexts();
- gl1_.MakeCurrent();
- std::vector<Mailbox> mailboxes;
- for (int i = 0; i < 5; ++i) {
- Mailbox mailbox = TakeAndConsumeMailbox();
- mailboxes.push_back(mailbox);
- }
- EXPECT_EQ(5u, gl1_.decoder()->GetSavedBackTextureCountForTest());
- EXPECT_EQ(5u, gl1_.decoder()->GetCreatedBackTextureCountForTest());
- // If the textures aren't lost, they're reused.
- for (int i = 0; i < 100; ++i) {
- gl1_.decoder()->ReturnFrontBuffer(mailboxes[0], false);
- mailboxes.erase(mailboxes.begin());
- Mailbox mailbox = TakeAndConsumeMailbox();
- mailboxes.push_back(mailbox);
- }
- EXPECT_EQ(5u, gl1_.decoder()->GetSavedBackTextureCountForTest());
- EXPECT_EQ(5u, gl1_.decoder()->GetCreatedBackTextureCountForTest());
- // If the textures are lost, they're not reused.
- for (int i = 0; i < 100; ++i) {
- gl1_.decoder()->ReturnFrontBuffer(mailboxes[0], true);
- mailboxes.erase(mailboxes.begin());
- Mailbox mailbox = TakeAndConsumeMailbox();
- mailboxes.push_back(mailbox);
- }
- EXPECT_EQ(5u, gl1_.decoder()->GetSavedBackTextureCountForTest());
- EXPECT_EQ(105u, gl1_.decoder()->GetCreatedBackTextureCountForTest());
- }
- // The client, represented by |gl2_|, will request and return 5 frontbuffers.
- // Then the size of the buffer will be changed. All cached frontbuffers should
- // be discarded.
- TEST_F(GLTextureMailboxTest, FrontBufferChangeSize) {
- SetUpContexts();
- gl1_.MakeCurrent();
- std::vector<Mailbox> mailboxes;
- for (int i = 0; i < 5; ++i) {
- Mailbox mailbox = TakeAndConsumeMailbox();
- mailboxes.push_back(mailbox);
- }
- EXPECT_EQ(5u, gl1_.decoder()->GetSavedBackTextureCountForTest());
- for (int i = 0; i < 5; ++i) {
- gl1_.decoder()->ReturnFrontBuffer(mailboxes[i], false);
- }
- mailboxes.clear();
- EXPECT_EQ(5u, gl1_.decoder()->GetSavedBackTextureCountForTest());
- glResizeCHROMIUM(21, 31, 1, GetGLColorSpace(), true);
- ::gles2::GetGLContext()->SwapBuffers(1);
- EXPECT_EQ(0u, gl1_.decoder()->GetSavedBackTextureCountForTest());
- }
- // The client, represented by |gl2_|, will request and return 5 frontbuffers.
- // Then |gl1_| will start drawing with a different color. The returned
- // frontbuffers should pick up the new color.
- TEST_F(GLTextureMailboxTest, FrontBufferChangeColor) {
- GLManager::Options options1;
- options1.multisampled = true;
- gl1_.Initialize(options1);
- GLManager::Options options2;
- options2.share_mailbox_manager = &gl1_;
- gl2_.Initialize(options2);
- gl1_.MakeCurrent();
- std::vector<Mailbox> mailboxes;
- for (int i = 0; i < 5; ++i) {
- Mailbox mailbox = TakeAndConsumeMailbox();
- mailboxes.push_back(mailbox);
- }
- for (int i = 0; i < 5; ++i) {
- gl1_.decoder()->ReturnFrontBuffer(mailboxes[i], false);
- }
- mailboxes.clear();
- for (int i = 0; i < 5; ++i) {
- glClearColor(1, 0, 0, 1);
- glClear(GL_COLOR_BUFFER_BIT);
- ::gles2::GetGLContext()->SwapBuffers(1);
- Mailbox mailbox = Mailbox::Generate();
- gl1_.decoder()->TakeFrontBuffer(mailbox);
- // Normally, consumers of TakeFrontBuffer() must supply their own
- // synchronization mechanism. For this test, just use a glFinish().
- glFinish();
- gl2_.MakeCurrent();
- GLuint tex = glCreateAndConsumeTextureCHROMIUM(mailbox.name);
- glBindTexture(GL_TEXTURE_2D, tex);
- EXPECT_EQ(0xFF0000FFu, ReadTexel(tex, 0, 0));
- glDeleteTextures(1, &tex);
- glFlush();
- gl1_.MakeCurrent();
- }
- }
- // Verify that front buffer textures have sampler parameters that will not cause
- // them to be incomplete when sampled
- TEST_F(GLTextureMailboxTest, FrontBufferSamplerParameters) {
- SetUpContexts();
- gl2_.MakeCurrent();
- glResizeCHROMIUM(10, 10, 1, GetGLColorSpace(), true);
- glClearColor(0, 1, 1, 1);
- glClear(GL_COLOR_BUFFER_BIT);
- ::gles2::GetGLContext()->SwapBuffers(1);
- Mailbox mailbox = Mailbox::Generate();
- gl2_.decoder()->TakeFrontBuffer(mailbox);
- gl1_.MakeCurrent();
- GLuint tex1 = glCreateAndConsumeTextureCHROMIUM(mailbox.name);
- glBindTexture(GL_TEXTURE_2D, tex1);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- constexpr std::pair<GLenum, GLint> expected_parameters[] = {
- {GL_TEXTURE_MAG_FILTER, GL_LINEAR},
- {GL_TEXTURE_MIN_FILTER, GL_LINEAR},
- {GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE},
- {GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE},
- };
- for (const auto& expected_parameter : expected_parameters) {
- GLint value = 0;
- glGetTexParameteriv(GL_TEXTURE_2D, expected_parameter.first, &value);
- EXPECT_EQ(expected_parameter.second, value);
- }
- }
- // http://crbug.com/281565
- #if !BUILDFLAG(IS_ANDROID)
- TEST_F(GLTextureMailboxTest, TakeFrontBufferMultipleContexts) {
- SetUpContexts();
- Mailbox mailbox[2];
- GLuint tex[2];
- GLManager::Options options;
- options.share_mailbox_manager = &gl1_;
- GLManager other_gl[2];
- for (size_t i = 0; i < 2; ++i) {
- other_gl[i].Initialize(options);
- other_gl[i].MakeCurrent();
- glResizeCHROMIUM(10, 10, 1, GetGLColorSpace(), true);
- glClearColor(1 - i % 2, i % 2, 0, 1);
- glClear(GL_COLOR_BUFFER_BIT);
- ::gles2::GetGLContext()->SwapBuffers(0, 1);
- mailbox[i] = Mailbox::Generate();
- other_gl[i].decoder()->TakeFrontBuffer(mailbox[i]);
- // Make sure both "other gl" are in the same share group.
- if (!options.share_group_manager)
- options.share_group_manager = other_gl+i;
- }
- gl1_.MakeCurrent();
- for (size_t i = 0; i < 2; ++i) {
- tex[i] = glCreateAndConsumeTextureCHROMIUM(mailbox[i].name);
- glBindTexture(GL_TEXTURE_2D, tex[i]);
- EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
- }
- gl1_.MakeCurrent();
- EXPECT_EQ(0xFF0000FFu, ReadTexel(tex[0], 0, 0));
- EXPECT_EQ(0xFF00FF00u, ReadTexel(tex[1], 9, 9));
- for (size_t i = 0; i < 2; ++i) {
- other_gl[i].MakeCurrent();
- other_gl[i].Destroy();
- }
- gl1_.MakeCurrent();
- glDeleteTextures(2, tex);
- }
- #endif
- } // namespace gpu
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