Send overlay promotion hints from to GLStreamTextureImage.

gpu/command_buffer/service/gles2_cmd_decoder.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 <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
@@ skipping 1654 matching lines @@
   bool DoIsTransformFeedback(GLuint client_id);
   bool DoIsVertexArrayOES(GLuint client_id);
   bool DoIsPathCHROMIUM(GLuint client_id);
   bool DoIsSync(GLuint client_id);
 
   void DoLineWidth(GLfloat width);
 
   // Wrapper for glLinkProgram
   void DoLinkProgram(GLuint program);
 
+  // Wrapper for glOverlayPromotabilityHintSteramTextureMatrixCHROMIUM

[piman, 2016/12/06 21:40:56]

nit: wrong GL name? glOverlayPromotionHintCHROMIUM sounds right (given naming
comment in extension doc)

[liberato (no reviews please), 2016/12/12 16:44:38]

Done.

+  void DoSendOverlayPromotionHintCHROMIUM(GLuint client_id,
+                                          GLboolean promotion_hint,
+                                          GLint display_x,
+                                          GLint display_y);
+
   // Wrapper for glReadBuffer
   void DoReadBuffer(GLenum src);
 
   // Wrapper for glRenderbufferStorage.
   void DoRenderbufferStorage(
       GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
 
   // Handler for glRenderbufferStorageMultisampleCHROMIUM.
   void DoRenderbufferStorageMultisampleCHROMIUM(
       GLenum target, GLsizei samples, GLenum internalformat,
@@ skipping 6854 matching lines @@
       if (workarounds().clear_uniforms_before_first_program_use)
         program_manager()->ClearUniforms(program);
     }
   }
 
   // LinkProgram can be very slow.  Exit command processing to allow for
   // context preemption and GPU watchdog checks.
   ExitCommandProcessingEarly();
 }
 
+void GLES2DecoderImpl::DoSendOverlayPromotionHintCHROMIUM(
+    GLuint client_id,
+    GLboolean promotion_hint,
+    GLint display_x,
+    GLint display_y) {
+  if (client_id == 0)
+    return;
+
+  TextureRef* texture_ref = GetTexture(client_id);
+  if (!texture_ref) {
+    LOCAL_SET_GL_ERROR(GL_INVALID_VALUE,
+                       "glOverlayPromotionHintStreamTextureMatrix",

[piman, 2016/12/06 21:40:56]

nit: fix gl name

[liberato (no reviews please), 2016/12/12 16:44:38]

Done.

+                       "invalid texture id");
+    return;
+  }
+  GLStreamTextureImage* image =
+      texture_ref->texture()->GetLevelStreamTextureImage(
+          GL_TEXTURE_EXTERNAL_OES, 0);
+  if (!image) {
+    LOCAL_SET_GL_ERROR(GL_INVALID_VALUE,

[piman, 2016/12/06 21:40:56]

nit: make this a GL_INVALID_OPERATION, which is more consistent with
cross-validation of state.

[liberato (no reviews please), 2016/12/12 16:44:38]

Done.

+                       "glOverlayPromotionHintStreamTextureMatrix",

[piman, 2016/12/06 21:40:56]

nit: ditto

[liberato (no reviews please), 2016/12/12 16:44:38]

Done.

+                       "texture has no StreamTextureImage");
+    return;
+  }
+
+  image->NotifyPromotionHint(promotion_hint, display_x, display_y);
+}
+
 void GLES2DecoderImpl::DoReadBuffer(GLenum src) {
   Framebuffer* framebuffer = GetFramebufferInfoForTarget(GL_READ_FRAMEBUFFER);
   if (framebuffer) {
     if (src == GL_BACK) {
       LOCAL_SET_GL_ERROR(
           GL_INVALID_ENUM, "glReadBuffer",
           "invalid src for a named framebuffer");
       return;
     }
     framebuffer->set_read_buffer(src);
@@ skipping 10341 matching lines @@
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "base/macros.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu