Reduce cost of glBind* on contexts without bind_generates_resource.

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 9cfe4668da5cf5140885bcfa5f4a2a0f2763e0a6..0496cfa1979a700f4fbc7b02d2457d0eb300ad5a 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -3637,8 +3637,9 @@ void GLES2DecoderImpl::DoBindBuffer(GLenum target, GLuint client_id) {
     buffer = GetBuffer(client_id);
     if (!buffer) {
       if (!group_->bind_generates_resource()) {
-        LOG(ERROR) << "glBindBuffer: id not generated by glGenBuffers";
-        current_decoder_error_ = error::kGenericError;
+        LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,
+                           "glBindBuffer",
+                           "id not generated by glGenBuffers");
         return;
       }
 
@@ -3812,9 +3813,9 @@ void GLES2DecoderImpl::DoBindFramebuffer(GLenum target, GLuint client_id) {
     framebuffer = GetFramebuffer(client_id);
     if (!framebuffer) {
       if (!group_->bind_generates_resource()) {
-         LOG(ERROR)
-             << "glBindFramebuffer: id not generated by glGenFramebuffers";
-         current_decoder_error_ = error::kGenericError;
+        LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,
+                           "glBindFramebuffer",
+                           "id not generated by glGenFramebuffers");
          return;

[no sievers, 2014/02/12 01:09:04]

nit: indent

[vmiura, 2014/02/12 02:03:52]

Done.

       }
 
@@ -3860,9 +3861,9 @@ void GLES2DecoderImpl::DoBindRenderbuffer(GLenum target, GLuint client_id) {
     renderbuffer = GetRenderbuffer(client_id);
     if (!renderbuffer) {
       if (!group_->bind_generates_resource()) {
-        LOG(ERROR)
-            << "glBindRenderbuffer: id not generated by glGenRenderbuffers";
-        current_decoder_error_ = error::kGenericError;
+        LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,
+                           "glBindRenderbuffer",
+                           "id not generated by glGenRenderbuffers");
         return;
       }
 
@@ -3890,9 +3891,10 @@ void GLES2DecoderImpl::DoBindTexture(GLenum target, GLuint client_id) {
     texture_ref = GetTexture(client_id);
     if (!texture_ref) {
       if (!group_->bind_generates_resource()) {
-         LOG(ERROR) << "glBindTexture: id not generated by glGenTextures";
-         current_decoder_error_ = error::kGenericError;
-         return;
+        LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,
+                           "glBindTexture",
+                           "id not generated by glGenTextures");
+        return;
       }
 
       // It's a new id so make a texture texture for it.