gpu: Add support for GLX_EXT_texture_from_pixmap extension.

gpu/command_buffer/service/gles2_cmd_decoder_unittest.cc

 // Copyright (c) 2012 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 "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include "base/atomicops.h"
 #include "gpu/command_buffer/common/gl_mock.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
@@ skipping 7407 matching lines @@
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
   EXPECT_EQ(GL_INVALID_OPERATION, GetGLError());
   // check bad name "name[1]" non zero
   memcpy(shared_memory_address_, kBadName2, kBadName2Size);
   cmd.Init(client_program_id_, kLocation, kSharedMemoryId, kSharedMemoryOffset,
            kBadName2Size);
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
   EXPECT_EQ(GL_INVALID_VALUE, GetGLError());
 }
 
+TEST_F(GLES2DecoderTest, TexImagePixmap2DCHROMIUM) {
+  DoBindTexture(GL_TEXTURE_2D, client_texture_id_, kServiceTextureId);
+  DoTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 3, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+               0, 0);
+  TextureManager::TextureInfo* info =
+      group().texture_manager()->GetTextureInfo(client_texture_id_);
+  EXPECT_EQ(kServiceTextureId, info->service_id());
+
+  GLsizei width;
+  GLsizei height;
+  GLenum type;
+  GLenum internal_format;
+
+  EXPECT_TRUE(info->GetLevelSize(GL_TEXTURE_2D, 0, &width, &height));
+  EXPECT_EQ(3, width);
+  EXPECT_EQ(1, height);
+  EXPECT_TRUE(info->GetLevelType(GL_TEXTURE_2D, 0, &type, &internal_format));
+  EXPECT_EQ(static_cast<GLenum>(GL_RGBA), internal_format);
+  EXPECT_EQ(static_cast<GLenum>(GL_UNSIGNED_BYTE), type);
+  EXPECT_TRUE(info->GetLevelImage(GL_TEXTURE_2D, 0) == NULL);
+
+  // Bind pixmap to texture.
+  TexImagePixmap2DCHROMIUM tex_image_pixmap_2d_cmd;
+  tex_image_pixmap_2d_cmd.Init(GL_TEXTURE_2D, 1);
+  EXPECT_EQ(error::kNoError, ExecuteCmd(tex_image_pixmap_2d_cmd));
+  EXPECT_TRUE(info->GetLevelSize(GL_TEXTURE_2D, 0, &width, &height));
+  // Image should now be set.
+  EXPECT_FALSE(info->GetLevelImage(GL_TEXTURE_2D, 0) == NULL);
+
+  // Define new texture image.
+  DoTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 3, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+               0, 0);
+  EXPECT_TRUE(info->GetLevelSize(GL_TEXTURE_2D, 0, &width, &height));
+  // Image should no longer be set.
+  EXPECT_TRUE(info->GetLevelImage(GL_TEXTURE_2D, 0) == NULL);
+}
 
 // TODO(gman): Complete this test.
 // TEST_F(GLES2DecoderTest, CompressedTexImage2DGLError) {
 // }
 
 // TODO(gman): BufferData
 
 // TODO(gman): BufferDataImmediate
 
 // TODO(gman): BufferSubData
@@ skipping 17 matching lines @@
 // TODO(gman): TexImage2DImmediate
 
 // TODO(gman): TexSubImage2DImmediate
 
 // TODO(gman): UseProgram
 
 // TODO(gman): SwapBuffers
 
 }  // namespace gles2
 }  // namespace gpu