gpu: Add async upload functions.

Just adding the API first to unblock other CLs and so
we can start to use the API. Async tasks are just
done synchronously, and the completion query is set
immediately when it executes in the GPU process.

BUG=161337


Review URL: https://chromiumcodereview.appspot.com/11412232

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@170516 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 52 insertions, 0 deletions

diff --git a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
index 5a6dff1..0c2bdba 100644
--- a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
+++ b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
@@ -1644,6 +1644,36 @@ WGC3Dboolean WebGraphicsContext3DCommandBufferImpl::unmapBufferCHROMIUM(
   return gl_->UnmapBufferCHROMIUM(target);
 }
 
+void WebGraphicsContext3DCommandBufferImpl::asyncTexImage2DCHROMIUM(
+    WGC3Denum target,
+    WGC3Dint level,
+    WGC3Denum internalformat,
+    WGC3Dsizei width,
+    WGC3Dsizei height,
+    WGC3Dint border,
+    WGC3Denum format,
+    WGC3Denum type,
+    const void* pixels) {
+  return gl_->AsyncTexImage2DCHROMIUM(
+      target, level, internalformat,
+      width, height, border, format, type, pixels);
+}
+
+void WebGraphicsContext3DCommandBufferImpl::asyncTexSubImage2DCHROMIUM(
+    WGC3Denum target,
+    WGC3Dint level,
+    WGC3Dint xoffset,
+    WGC3Dint yoffset,
+    WGC3Dsizei width,
+    WGC3Dsizei height,
+    WGC3Denum format,
+    WGC3Denum type,
+    const void *pixels) {
+  return gl_->AsyncTexSubImage2DCHROMIUM(
+      target, level, xoffset, yoffset,
+      width, height, format, type, pixels);
+}
+
 GrGLInterface* WebGraphicsContext3DCommandBufferImpl::onCreateGrGLInterface() {
   return webkit::gpu::CreateCommandBufferSkiaGLBinding();
 }
diff --git a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
index 1fc3206..81dd6b5 100644
--- a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
+++ b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
@@ -606,6 +606,28 @@ class WebGraphicsContext3DCommandBufferImpl
   virtual void* mapBufferCHROMIUM(WGC3Denum target, WGC3Denum access);
   virtual WGC3Dboolean unmapBufferCHROMIUM(WGC3Denum target);
 
+  // Async pixel transfer functions.
+  virtual void asyncTexImage2DCHROMIUM(
+      WGC3Denum target,
+      WGC3Dint level,
+      WGC3Denum internalformat,
+      WGC3Dsizei width,
+      WGC3Dsizei height,
+      WGC3Dint border,
+      WGC3Denum format,
+      WGC3Denum type,
+      const void* pixels);
+  virtual void asyncTexSubImage2DCHROMIUM(
+      WGC3Denum target,
+      WGC3Dint level,
+      WGC3Dint xoffset,
+      WGC3Dint yoffset,
+      WGC3Dsizei width,
+      WGC3Dsizei height,
+      WGC3Denum format,
+      WGC3Denum type,
+      const void* pixels);
+
  protected:
   virtual GrGLInterface* onCreateGrGLInterface();