Removing GL context rate limiting feature and related wrappers

Dead code removal.

BUG=531659
TBR=jamesr@chromium.org, vmiura@chromium.org
NOPRESUBMIT=true

Review URL: https://codereview.chromium.org/1341423006

Cr-Commit-Position: refs/heads/master@{#350172}

12 files changed, 0 insertions, 49 deletions

diff --git a/gpu/GLES2/gl2chromium_autogen.h b/gpu/GLES2/gl2chromium_autogen.h
index 810eff8..2e6ed9b 100644
--- a/gpu/GLES2/gl2chromium_autogen.h
+++ b/gpu/GLES2/gl2chromium_autogen.h
@@ -280,8 +280,6 @@
 #define glGetRequestableExtensionsCHROMIUM \
   GLES2_GET_FUN(GetRequestableExtensionsCHROMIUM)
 #define glRequestExtensionCHROMIUM GLES2_GET_FUN(RequestExtensionCHROMIUM)
-#define glRateLimitOffscreenContextCHROMIUM \
-  GLES2_GET_FUN(RateLimitOffscreenContextCHROMIUM)
 #define glGetProgramInfoCHROMIUM GLES2_GET_FUN(GetProgramInfoCHROMIUM)
 #define glGetUniformBlocksCHROMIUM GLES2_GET_FUN(GetUniformBlocksCHROMIUM)
 #define glGetTransformFeedbackVaryingsCHROMIUM \
diff --git a/gpu/GLES2/gl2extchromium.h b/gpu/GLES2/gl2extchromium.h
index f96c930..74988dc 100644
--- a/gpu/GLES2/gl2extchromium.h
+++ b/gpu/GLES2/gl2extchromium.h
@@ -227,15 +227,6 @@ typedef void (GL_APIENTRYP PFNGLRELEASETEXIMAGE2DCHROMIUMPROC) (
     GLenum target, GLint imageId);
 #endif  /* GL_CHROMIUM_texture_from_image */
 
-/* GL_CHROMIUM_rate_limit_offscreen_context */
-#ifndef GL_CHROMIUM_rate_limit_offscreen_context
-#define GL_CHROMIUM_rate_limit_offscreen_context 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glRateLimitOffscreenContextCHROMIUM();
-#endif
-typedef void (GL_APIENTRYP PFNGLRATELIMITOFFSCREENCONTEXTCHROMIUMPROC) ();
-#endif  /* GL_CHROMIUM_rate_limit_offscreen_context */
-
 /* GL_CHROMIUM_post_sub_buffer */
 #ifndef GL_CHROMIUM_post_sub_buffer
 #define GL_CHROMIUM_post_sub_buffer 1
diff --git a/gpu/command_buffer/build_gles2_cmd_buffer.py b/gpu/command_buffer/build_gles2_cmd_buffer.py
index 679eeea..d6d81ea 100755
--- a/gpu/command_buffer/build_gles2_cmd_buffer.py
+++ b/gpu/command_buffer/build_gles2_cmd_buffer.py
@@ -3758,12 +3758,6 @@ _FUNCTION_INFO = {
     'extension': 'CHROMIUM_request_extension',
     'chromium': True,
   },
-  'RateLimitOffscreenContextCHROMIUM': {
-    'gen_cmd': False,
-    'extension': True,
-    'chromium': True,
-    'client_test': False,
-  },
   'CreateStreamTextureCHROMIUM':  {
     'type': 'HandWritten',
     'impl_func': False,
diff --git a/gpu/command_buffer/client/gles2_c_lib_autogen.h b/gpu/command_buffer/client/gles2_c_lib_autogen.h
index 870a4f9..e1ce501 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -1269,9 +1269,6 @@ const GLchar* GL_APIENTRY GLES2GetRequestableExtensionsCHROMIUM() {
 void GL_APIENTRY GLES2RequestExtensionCHROMIUM(const char* extension) {
   gles2::GetGLContext()->RequestExtensionCHROMIUM(extension);
 }
-void GL_APIENTRY GLES2RateLimitOffscreenContextCHROMIUM() {
-  gles2::GetGLContext()->RateLimitOffscreenContextCHROMIUM();
-}
 void GL_APIENTRY GLES2GetProgramInfoCHROMIUM(GLuint program,
                                              GLsizei bufsize,
                                              GLsizei* size,
@@ -2561,11 +2558,6 @@ extern const NameToFunc g_gles2_function_table[] = {
         reinterpret_cast<GLES2FunctionPointer>(glRequestExtensionCHROMIUM),
     },
     {
-        "glRateLimitOffscreenContextCHROMIUM",
-        reinterpret_cast<GLES2FunctionPointer>(
-            glRateLimitOffscreenContextCHROMIUM),
-    },
-    {
         "glGetProgramInfoCHROMIUM",
         reinterpret_cast<GLES2FunctionPointer>(glGetProgramInfoCHROMIUM),
     },
diff --git a/gpu/command_buffer/client/gles2_implementation.cc b/gpu/command_buffer/client/gles2_implementation.cc
index 2bf603b..2b186a4 100644
--- a/gpu/command_buffer/client/gles2_implementation.cc
+++ b/gpu/command_buffer/client/gles2_implementation.cc
@@ -4655,17 +4655,6 @@ void GLES2Implementation::RequestExtensionCHROMIUM(const char* extension) {
   }
 }
 
-void GLES2Implementation::RateLimitOffscreenContextCHROMIUM() {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glRateLimitOffscreenCHROMIUM()");
-  // Wait if this would add too many rate limit tokens.
-  if (rate_limit_tokens_.size() == kMaxSwapBuffers) {
-    helper_->WaitForToken(rate_limit_tokens_.front());
-    rate_limit_tokens_.pop();
-  }
-  rate_limit_tokens_.push(helper_->InsertToken());
-}
-
 void GLES2Implementation::GetProgramInfoCHROMIUMHelper(
     GLuint program, std::vector<int8>* result) {
   DCHECK(result);
diff --git a/gpu/command_buffer/client/gles2_implementation_autogen.h b/gpu/command_buffer/client/gles2_implementation_autogen.h
index 48d2e4f..305f971 100644
--- a/gpu/command_buffer/client/gles2_implementation_autogen.h
+++ b/gpu/command_buffer/client/gles2_implementation_autogen.h
@@ -876,8 +876,6 @@ const GLchar* GetRequestableExtensionsCHROMIUM() override;
 
 void RequestExtensionCHROMIUM(const char* extension) override;
 
-void RateLimitOffscreenContextCHROMIUM() override;
-
 void GetProgramInfoCHROMIUM(GLuint program,
                             GLsizei bufsize,
                             GLsizei* size,
diff --git a/gpu/command_buffer/client/gles2_interface_autogen.h b/gpu/command_buffer/client/gles2_interface_autogen.h
index be4f4ee..43e3b90 100644
--- a/gpu/command_buffer/client/gles2_interface_autogen.h
+++ b/gpu/command_buffer/client/gles2_interface_autogen.h
@@ -649,7 +649,6 @@ virtual void ResizeCHROMIUM(GLuint width,
                             GLfloat scale_factor) = 0;
 virtual const GLchar* GetRequestableExtensionsCHROMIUM() = 0;
 virtual void RequestExtensionCHROMIUM(const char* extension) = 0;
-virtual void RateLimitOffscreenContextCHROMIUM() = 0;
 virtual void GetProgramInfoCHROMIUM(GLuint program,
                                     GLsizei bufsize,
                                     GLsizei* size,
diff --git a/gpu/command_buffer/client/gles2_interface_stub_autogen.h b/gpu/command_buffer/client/gles2_interface_stub_autogen.h
index 321ce34..0d08d67 100644
--- a/gpu/command_buffer/client/gles2_interface_stub_autogen.h
+++ b/gpu/command_buffer/client/gles2_interface_stub_autogen.h
@@ -626,7 +626,6 @@ void UnmapTexSubImage2DCHROMIUM(const void* mem) override;
 void ResizeCHROMIUM(GLuint width, GLuint height, GLfloat scale_factor) override;
 const GLchar* GetRequestableExtensionsCHROMIUM() override;
 void RequestExtensionCHROMIUM(const char* extension) override;
-void RateLimitOffscreenContextCHROMIUM() override;
 void GetProgramInfoCHROMIUM(GLuint program,
                             GLsizei bufsize,
                             GLsizei* size,
diff --git a/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h b/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
index 1318f09..6e30251 100644
--- a/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
@@ -866,7 +866,6 @@ const GLchar* GLES2InterfaceStub::GetRequestableExtensionsCHROMIUM() {
 }
 void GLES2InterfaceStub::RequestExtensionCHROMIUM(const char* /* extension */) {
 }
-void GLES2InterfaceStub::RateLimitOffscreenContextCHROMIUM() {}
 void GLES2InterfaceStub::GetProgramInfoCHROMIUM(GLuint /* program */,
                                                 GLsizei /* bufsize */,
                                                 GLsizei* /* size */,
diff --git a/gpu/command_buffer/client/gles2_trace_implementation_autogen.h b/gpu/command_buffer/client/gles2_trace_implementation_autogen.h
index 241623d..41140be 100644
--- a/gpu/command_buffer/client/gles2_trace_implementation_autogen.h
+++ b/gpu/command_buffer/client/gles2_trace_implementation_autogen.h
@@ -626,7 +626,6 @@ void UnmapTexSubImage2DCHROMIUM(const void* mem) override;
 void ResizeCHROMIUM(GLuint width, GLuint height, GLfloat scale_factor) override;
 const GLchar* GetRequestableExtensionsCHROMIUM() override;
 void RequestExtensionCHROMIUM(const char* extension) override;
-void RateLimitOffscreenContextCHROMIUM() override;
 void GetProgramInfoCHROMIUM(GLuint program,
                             GLsizei bufsize,
                             GLsizei* size,
diff --git a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
index d527fd1..11d76df9 100644
--- a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
@@ -1853,12 +1853,6 @@ void GLES2TraceImplementation::RequestExtensionCHROMIUM(const char* extension) {
   gl_->RequestExtensionCHROMIUM(extension);
 }
 
-void GLES2TraceImplementation::RateLimitOffscreenContextCHROMIUM() {
-  TRACE_EVENT_BINARY_EFFICIENT0(
-      "gpu", "GLES2Trace::RateLimitOffscreenContextCHROMIUM");
-  gl_->RateLimitOffscreenContextCHROMIUM();
-}
-
 void GLES2TraceImplementation::GetProgramInfoCHROMIUM(GLuint program,
                                                       GLsizei bufsize,
                                                       GLsizei* size,
diff --git a/gpu/command_buffer/cmd_buffer_functions.txt b/gpu/command_buffer/cmd_buffer_functions.txt
index f355571..9eda893e 100644
--- a/gpu/command_buffer/cmd_buffer_functions.txt
+++ b/gpu/command_buffer/cmd_buffer_functions.txt
@@ -268,7 +268,6 @@ GL_APICALL void         GL_APIENTRY glUnmapTexSubImage2DCHROMIUM (const void* me
 GL_APICALL void         GL_APIENTRY glResizeCHROMIUM (GLuint width, GLuint height, GLfloat scale_factor);
 GL_APICALL const GLchar* GL_APIENTRY glGetRequestableExtensionsCHROMIUM (void);
 GL_APICALL void         GL_APIENTRY glRequestExtensionCHROMIUM (const char* extension);
-GL_APICALL void         GL_APIENTRY glRateLimitOffscreenContextCHROMIUM (void);
 GL_APICALL void         GL_APIENTRY glGetProgramInfoCHROMIUM (GLidProgram program, GLsizeiNotNegative bufsize, GLsizei* size, void* info);
 GL_APICALL void         GL_APIENTRY glGetUniformBlocksCHROMIUM (GLidProgram program, GLsizeiNotNegative bufsize, GLsizei* size, void* info);
 GL_APICALL void         GL_APIENTRY glGetTransformFeedbackVaryingsCHROMIUM (GLidProgram program, GLsizeiNotNegative bufsize, GLsizei* size, void* info);