Send overlay promotion hints from to GLStreamTextureImage.

gpu/command_buffer/service/gles2_cmd_decoder.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.cc b/gpu/command_buffer/service/gles2_cmd_decoder.cc
index f5c727b59b771e90241d6f547fb73fc309cbf941..69439af133f317a326bfeccb48f1d62987d64d8a 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -1672,6 +1672,12 @@ class GLES2DecoderImpl : public GLES2Decoder, public ErrorStateClient {
   // 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);
 
@@ -8546,6 +8552,34 @@ void GLES2DecoderImpl::DoLinkProgram(GLuint program_id) {
   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) {