Index: gpu/command_buffer/tests/gl_texture_mailbox_unittests.cc |
diff --git a/gpu/command_buffer/tests/gl_texture_mailbox_unittests.cc b/gpu/command_buffer/tests/gl_texture_mailbox_unittests.cc |
index 6491e41f1a2f120c8bed5f024fef6e987b3688a1..566189f9e44288a78528c88627ecadbed6039f58 100644 |
--- a/gpu/command_buffer/tests/gl_texture_mailbox_unittests.cc |
+++ b/gpu/command_buffer/tests/gl_texture_mailbox_unittests.cc |
@@ -167,5 +167,104 @@ TEST_F(GLTextureMailboxTest, ConsumeTextureValidatesKey) { |
EXPECT_EQ(source_pixel, ReadTexel(tex, 0, 0)); |
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
} |
+ |
+TEST_F(GLTextureMailboxTest, SharedTextures) { |
+ gl1_.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); |
+ GLbyte mailbox[GL_MAILBOX_SIZE_CHROMIUM]; |
+ glGenMailboxCHROMIUM(mailbox); |
+ |
+ glProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox); |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+ glFlush(); |
+ |
+ gl2_.MakeCurrent(); |
+ GLuint tex2; |
+ glGenTextures(1, &tex2); |
+ |
+ glBindTexture(GL_TEXTURE_2D, tex2); |
+ glConsumeTextureCHROMIUM(GL_TEXTURE_2D, mailbox); |
+ 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; |
+ glGenTextures(1, &tex3); |
+ glBindTexture(GL_TEXTURE_2D, tex3); |
+ glConsumeTextureCHROMIUM(GL_TEXTURE_2D, mailbox); |
+ 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. |
+ glGenTextures(1, &tex2); |
+ glBindTexture(GL_TEXTURE_2D, tex2); |
+ glConsumeTextureCHROMIUM(GL_TEXTURE_2D, mailbox); |
+ EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError()); |
+ glDeleteTextures(1, &tex2); |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+} |
+ |
} // namespace gpu |