Index: gpu/command_buffer/tests/gl_unittests.cc |
=================================================================== |
--- gpu/command_buffer/tests/gl_unittests.cc (revision 133771) |
+++ gpu/command_buffer/tests/gl_unittests.cc (working copy) |
@@ -2,16 +2,50 @@ |
// Use of this source code is governed by a BSD-style license that can be |
// found in the LICENSE file. |
+#define GL_GLEXT_PROTOTYPES |
+ |
#include <GLES2/gl2.h> |
+#include <GLES2/gl2ext.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/gfx/gl/gl_share_group.h" |
namespace gpu { |
+namespace { |
+uint32 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); |
+ EXPECT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
+ |
+ uint32 texel; |
+ glReadPixels(x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &texel); |
+ |
+ glBindFramebuffer(GL_FRAMEBUFFER, old_fbo); |
+ |
+ glDeleteFramebuffers(1, &fbo); |
+ |
+ return texel; |
+} |
+} |
+ |
class GLTest : public testing::Test { |
protected: |
+ GLTest() : gl_(new gles2::MailboxManager, new gfx::GLShareGroup) { |
+ } |
+ |
virtual void SetUp() { |
gl_.Initialize(gfx::Size(4, 4)); |
} |
@@ -35,5 +69,51 @@ |
EXPECT_EQ(255u, pixels[3]); |
} |
+TEST_F(GLTest, ProduceAndConsumeTexture) { |
Ken Russell (switch to Gerrit)
2012/04/26 01:10:53
Nice test!
|
+ GLManager gl2(gl_.mailbox_manager(), gl_.share_group()); |
+ gl2.Initialize(gfx::Size(1, 1)); |
+ |
+ char mailbox[32]; |
Ken Russell (switch to Gerrit)
2012/04/26 01:10:53
Really wish the "32" could be part of the type.
|
+ glGenMailboxCHROMIUM(mailbox); |
+ |
+ gl_.MakeCurrent(); |
+ |
+ GLuint tex1; |
+ glGenTextures(1, &tex1); |
+ |
+ glBindTexture(GL_TEXTURE_2D, tex1); |
+ uint32 source_pixel = 0xFF0000FF; |
+ glTexImage2D(GL_TEXTURE_2D, |
+ 0, |
+ GL_RGBA, |
+ 1, 1, |
+ 0, |
+ GL_RGBA, |
+ GL_UNSIGNED_BYTE, |
+ &source_pixel); |
+ |
+ glProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox); |
+ glFlush(); |
+ |
+ gl2.MakeCurrent(); |
+ |
+ GLuint tex2; |
+ glGenTextures(1, &tex2); |
+ |
+ glBindTexture(GL_TEXTURE_2D, tex2); |
+ glConsumeTextureCHROMIUM(GL_TEXTURE_2D, mailbox); |
+ EXPECT_EQ(source_pixel, ReadTexel(tex2, 0, 0)); |
+ glProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox); |
+ glFlush(); |
+ |
+ gl_.MakeCurrent(); |
+ |
+ glBindTexture(GL_TEXTURE_2D, tex1); |
+ glConsumeTextureCHROMIUM(GL_TEXTURE_2D, mailbox); |
+ EXPECT_EQ(source_pixel, ReadTexel(tex1, 0, 0)); |
+ |
+ gl2.Destroy(); |
+} |
+ |
} // namespace gpu |