ppapi/thunk/ppb_context_3d_thunk.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ppapi/c/pp_errors.h"
   6 #include "ppapi/thunk/thunk.h"
   7 #include "ppapi/thunk/enter.h"
   8 #include "ppapi/thunk/ppb_context_3d_api.h"
   9 #include "ppapi/thunk/resource_creation_api.h"
  10
  11 namespace ppapi {
  12 namespace thunk {
  13
  14 namespace {
  15
  16 typedef EnterResource<PPB_Context3D_API> EnterContext3D;
  17
  18 PP_Resource Create(PP_Instance instance,
  19                    PP_Config3D_Dev config,
  20                    PP_Resource share_context,
  21                    const int32_t* attrib_list) {
  22   EnterFunction<ResourceCreationAPI> enter(instance, true);
  23   if (enter.failed())
  24     return 0;
  25   return enter.functions()->CreateContext3D(instance, config, share_context,
  26                                             attrib_list);
  27 }
  28
  29 PP_Bool IsContext3D(PP_Resource resource) {
  30   EnterContext3D enter(resource, false);
  31   return PP_FromBool(enter.succeeded());
  32 }
  33
  34 int32_t GetAttrib(PP_Resource context, int32_t attribute, int32_t* value) {
  35   EnterContext3D enter(context, true);
  36   if (enter.failed())
  37     return PP_ERROR_BADRESOURCE;
  38   return enter.object()->GetAttrib(attribute, value);
  39 }
  40
  41 int32_t BindSurfaces(PP_Resource context, PP_Resource draw, PP_Resource read) {
  42   EnterContext3D enter(context, true);
  43   if (enter.failed())
  44     return PP_ERROR_BADRESOURCE;
  45   return enter.object()->BindSurfaces(draw, read);
  46 }
  47
  48 int32_t GetBoundSurfaces(PP_Resource context,
  49                          PP_Resource* draw,
  50                          PP_Resource* read) {
  51   EnterContext3D enter(context, true);
  52   if (enter.failed())
  53     return PP_ERROR_BADRESOURCE;
  54   return enter.object()->GetBoundSurfaces(draw, read);
  55 }
  56
  57 const PPB_Context3D_Dev g_ppb_context_3d_thunk = {
  58   &Create,
  59   &IsContext3D,
  60   &GetAttrib,
  61   &BindSurfaces,
  62   &GetBoundSurfaces
  63 };
  64
  65 }  // namespace
  66
  67 const PPB_Context3D_Dev* GetPPB_Context3D_Dev_Thunk() {
  68   return &g_ppb_context_3d_thunk;
  69 }
  70
  71 }  // namespace thunk
  72 }  // namespace ppapi