Add a new parameter dest_type to the GL_CHROMIUM_copy_texture extension.

gpu/command_buffer/tests/gl_copy_texture_CHROMIUM_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.
 
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES
 #endif
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
@@ skipping 40 matching lines @@
 };
 
 // Test to ensure that the basic functionality of the extension works.
 TEST_F(GLCopyTextureCHROMIUMTest, Basic) {
   uint8 pixels[1 * 4] = { 255u, 0u, 0u, 255u };
 
   glBindTexture(GL_TEXTURE_2D, textures_[0]);
   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                pixels);
 
-  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA);
+  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA,
+                        GL_UNSIGNED_BYTE);
   EXPECT_TRUE(glGetError() == GL_NO_ERROR);
 
   // Check the FB is still bound.
   GLint value = 0;
   glGetIntegerv(GL_FRAMEBUFFER_BINDING, &value);
   GLuint fb_id = value;
   EXPECT_EQ(framebuffer_id_, fb_id);
 
   // Check that FB is complete.
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
@@ skipping 13 matching lines @@
       pixels[y][x][2] = x + y;
       pixels[y][x][3] = 255u;
     }
   }
 
   glBindTexture(GL_TEXTURE_2D, textures_[0]);
   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                pixels);
 
   glPixelStorei(GL_UNPACK_FLIP_Y_CHROMIUM, GL_TRUE);
-  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA);
+  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA,
+                        GL_UNSIGNED_BYTE);
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 
   uint8 copied_pixels[2][2][4] = {{{0}}};
   glReadPixels(0, 0, 2, 2, GL_RGBA, GL_UNSIGNED_BYTE, copied_pixels);
   for (int x = 0; x < 2; ++x) {
     for (int y = 0; y < 2; ++y)
       EXPECT_EQ(pixels[1-y][x][0], copied_pixels[y][x][0]);
   }
 
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 }
 
 // Test that the extension respects the GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM
 // storage setting.
 TEST_F(GLCopyTextureCHROMIUMTest, PremultiplyAlpha) {
   uint8 pixels[1 * 4] = { 2, 2, 2, 128 };
 
   glBindTexture(GL_TEXTURE_2D, textures_[0]);
   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                pixels);
 
   glPixelStorei(GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM, GL_TRUE);
-  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA);
+  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA,
+                       GL_UNSIGNED_BYTE);
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 
   uint8 copied_pixels[1 * 4] = {0};
   glReadPixels(0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, copied_pixels);
   EXPECT_EQ(1u, copied_pixels[0]);
   EXPECT_EQ(1u, copied_pixels[1]);
   EXPECT_EQ(1u, copied_pixels[2]);
   EXPECT_EQ(128u, copied_pixels[3]);
 
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 }
 
 // Test that the extension respects the GL_UNPACK_UNPREMULTIPLY_ALPHA_CHROMIUM
 // storage setting.
 TEST_F(GLCopyTextureCHROMIUMTest, UnpremultiplyAlpha) {
   uint8 pixels[1 * 4] = { 16, 16, 16, 128 };
 
   glBindTexture(GL_TEXTURE_2D, textures_[0]);
   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                pixels);
 
   glPixelStorei(GL_UNPACK_UNPREMULTIPLY_ALPHA_CHROMIUM, GL_TRUE);
-  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA);
+  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA,
+                        GL_UNSIGNED_BYTE);
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 
   uint8 copied_pixels[1 * 4] = {0};
   glReadPixels(0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, copied_pixels);
   EXPECT_EQ(32u, copied_pixels[0]);
   EXPECT_EQ(32u, copied_pixels[1]);
   EXPECT_EQ(32u, copied_pixels[2]);
   EXPECT_EQ(128u, copied_pixels[3]);
 
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
@@ skipping 10 matching lines @@
       pixels[y][x][3] = 128u;
     }
   }
 
   glBindTexture(GL_TEXTURE_2D, textures_[0]);
   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                pixels);
 
   glPixelStorei(GL_UNPACK_FLIP_Y_CHROMIUM, GL_TRUE);
   glPixelStorei(GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM, GL_TRUE);
-  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA);
+  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA,
+                        GL_UNSIGNED_BYTE);
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 
   uint8 copied_pixels[2][2][4] = {{{0}}};
   glReadPixels(0, 0, 2, 2, GL_RGBA, GL_UNSIGNED_BYTE, copied_pixels);
   for (int x = 0; x < 2; ++x) {
     for (int y = 0; y < 2; ++y) {
       EXPECT_EQ(pixels[1-y][x][0] / 2, copied_pixels[y][x][0]);
       EXPECT_EQ(pixels[1-y][x][1] / 2, copied_pixels[y][x][1]);
       EXPECT_EQ(pixels[1-y][x][2] / 2, copied_pixels[y][x][2]);
       EXPECT_EQ(pixels[1-y][x][3], copied_pixels[y][x][3]);
@@ skipping 14 matching lines @@
       pixels[y][x][3] = 128u;
     }
   }
 
   glBindTexture(GL_TEXTURE_2D, textures_[0]);
   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                pixels);
 
   glPixelStorei(GL_UNPACK_FLIP_Y_CHROMIUM, GL_TRUE);
   glPixelStorei(GL_UNPACK_UNPREMULTIPLY_ALPHA_CHROMIUM, GL_TRUE);
-  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA);
+  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA,
+                        GL_UNSIGNED_BYTE);
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 
   uint8 copied_pixels[2][2][4] = {{{0}}};
   glReadPixels(0, 0, 2, 2, GL_RGBA, GL_UNSIGNED_BYTE, copied_pixels);
   for (int x = 0; x < 2; ++x) {
     for (int y = 0; y < 2; ++y) {
       EXPECT_EQ(pixels[1-y][x][0] * 2, copied_pixels[y][x][0]);
       EXPECT_EQ(pixels[1-y][x][1] * 2, copied_pixels[y][x][1]);
       EXPECT_EQ(pixels[1-y][x][2] * 2, copied_pixels[y][x][2]);
       EXPECT_EQ(pixels[1-y][x][3], copied_pixels[y][x][3]);
@@ skipping 32 matching lines @@
     glEnableDisable(GL_SCISSOR_TEST, setting);
     glEnableDisable(GL_STENCIL_TEST, setting);
     glEnableDisable(GL_CULL_FACE, setting);
     glEnableDisable(GL_BLEND, setting);
     glColorMask(setting, setting, setting, setting);
     glDepthMask(setting);
 
     glActiveTexture(GL_TEXTURE1 + x);
 
     glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0,
-                          GL_RGBA);
+                          GL_RGBA, GL_UNSIGNED_BYTE);
     EXPECT_TRUE(GL_NO_ERROR == glGetError());
 
     EXPECT_EQ(setting, glIsEnabled(GL_DEPTH_TEST));
     EXPECT_EQ(setting, glIsEnabled(GL_SCISSOR_TEST));
     EXPECT_EQ(setting, glIsEnabled(GL_STENCIL_TEST));
     EXPECT_EQ(setting, glIsEnabled(GL_CULL_FACE));
     EXPECT_EQ(setting, glIsEnabled(GL_BLEND));
 
     GLboolean bool_array[4] = { GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE };
     glGetBooleanv(GL_DEPTH_WRITEMASK, bool_array);
@@ skipping 26 matching lines @@
   GLuint texture_ids[2];
   glGenTextures(2, texture_ids);
 
   glActiveTexture(GL_TEXTURE0);
   glBindTexture(GL_TEXTURE_2D, texture_ids[0]);
 
   glActiveTexture(GL_TEXTURE1);
   glBindTexture(GL_TEXTURE_2D, texture_ids[1]);
 
   glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0,
-                        GL_RGBA);
+                        GL_RGBA, GL_UNSIGNED_BYTE);
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 
   GLint active_texture = 0;
   glGetIntegerv(GL_ACTIVE_TEXTURE, &active_texture);
   EXPECT_EQ(GL_TEXTURE1, active_texture);
 
   GLint bound_texture = 0;
   glGetIntegerv(GL_TEXTURE_BINDING_2D, &bound_texture);
   EXPECT_EQ(texture_ids[1], static_cast<GLuint>(bound_texture));
   glBindTexture(GL_TEXTURE_2D, 0);
@@ skipping 39 matching lines @@
   EXPECT_TRUE(
       GL_FRAMEBUFFER_COMPLETE == glCheckFramebufferStatus(GL_FRAMEBUFFER));
 
   // Test that we can write to the bound framebuffer
   uint8 expected_color[4] = { 255u, 255u, 0, 255u };
   glClearColor(1.0, 1.0, 0, 1.0);
   glClear(GL_COLOR_BUFFER_BIT);
   GLTestHelper::CheckPixels(0, 0, 1, 1, 0, expected_color);
 
   glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0,
-                        GL_RGBA);
+                        GL_RGBA, GL_UNSIGNED_BYTE);
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 
   EXPECT_TRUE(glIsFramebuffer(framebuffer_id));
 
   // Ensure that reading from the framebuffer produces correct pixels.
   GLTestHelper::CheckPixels(0, 0, 1, 1, 0, expected_color);
 
   uint8 expected_color2[4] = { 255u, 0, 255u, 255u };
   glClearColor(1.0, 0, 1.0, 1.0);
   glClear(GL_COLOR_BUFFER_BIT);
@@ skipping 81 matching lines @@
   glClear(GL_COLOR_BUFFER_BIT);
   EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 1, 1, 0, zero));
   glDrawArrays(GL_TRIANGLES, 0, 6);
   EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 1, 1, 0, expected));
 
   // Call copyTextureCHROMIUM
   uint8 pixels[1 * 4] = { 255u, 0u, 0u, 255u };
   glBindTexture(GL_TEXTURE_2D, textures_[0]);
   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                pixels);
-  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA);
+  glCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1], 0, GL_RGBA,
+                        GL_UNSIGNED_BYTE);
 
   // test using program after
   glClear(GL_COLOR_BUFFER_BIT);
   EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 1, 1, 0, zero));
   glDrawArrays(GL_TRIANGLES, 0, 6);
   EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 1, 1, 0, expected));
 
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 
   gl2.MakeCurrent();
   gl2.Destroy();
   gl_.MakeCurrent();
 }
 
 }  // namespace gpu