Disable framebuffer discarding on Mali-4xx and clean up.

gpu/config/gpu_driver_bug_list_json.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Determines whether a certain driver bug exists in the current system.
 // The format of a valid gpu_driver_bug_list.json file is defined in
 // <gpu/config/gpu_control_list_format.txt>.
 // The supported "features" can be found in
 // <gpu/config/gpu_driver_bug_workaround_type.h>.
 
 #include "gpu/config/gpu_control_list_jsons.h"
 
 #define LONG_STRING_CONST(...) #__VA_ARGS__
 
 namespace gpu {
 
 const char kGpuDriverBugListJson[] = LONG_STRING_CONST(
 
 {
   "name": "gpu driver bug list",
   // Please update the version number whenever you change this file.
-  "version": "7.20",
+  "version": "7.21",
   "entries": [
     {
       "id": 1,
       "description": "Imagination driver doesn't like uploading lots of buffer data constantly",
       "os": {
         "type": "android"
       },
       "gl_vendor": "Imagination.*",
       "features": [
         "use_client_side_arrays_for_stream_buffers"
@@ skipping 462 matching lines @@
       "description": "Framebuffer discarding causes flickering on old ARM drivers",
       "os": {
         "type": "android",
         "version": {
           "op": "<",
           "value": "4.4"
         }
       },
       "gl_vendor": "ARM.*",
       "features": [
-        "disable_ext_discard_framebuffer"
+        "disable_discard_framebuffer"
       ]
     },
     {
       "id": 42,
       "cr_bugs": [290876],
       "description": "Framebuffer discarding causes flickering on older IMG drivers",
       "os": {
         "type": "android"
       },
       "gl_vendor": "Imagination.*",
       "gl_renderer": "PowerVR SGX 540",
       "features": [
-        "disable_ext_discard_framebuffer"
+        "disable_discard_framebuffer"
       ]
     },
     {
       "id": 43,
       "cr_bugs": [299494],
       "description": "Framebuffer discarding doesn't accept trivial attachments on Vivante",
       "os": {
         "type": "android"
       },
       "gl_extensions": ".*GL_VIV_shader_binary.*",
       "features": [
-        "disable_ext_discard_framebuffer"
+        "disable_discard_framebuffer"
       ]
     },
     {
       "id": 44,
       "cr_bugs": [301988],
       "description": "Framebuffer discarding causes jumpy scrolling on Mali drivers",
       "os": {
         "type": "chromeos"
       },
       "features": [
-        "disable_ext_discard_framebuffer"
+        "disable_discard_framebuffer"
       ]
     },
     {
       "id": 45,
       "cr_bugs": [307751],
       "description": "Unfold short circuit on Mac OS X",
       "os": {
         "type": "macosx"
       },
       "features": [
@@ skipping 628 matching lines @@
     {
       "id": 103,
       "description": "Adreno 420 driver drops draw calls after FBO invalidation",
       "cr_bugs": [443060],
       "os": {
         "type": "android"
       },
       "gl_vendor": "Qualcomm.*",
       "gl_renderer": ".*420",
       "features": [
-        "disable_fbo_invalidations"
+        "disable_discard_framebuffer"
       ]
     },
     {
       "id": 104,
       "description": "EXT_occlusion_query hangs on MediaTek MT8135 pre-Lollipop",
       "os": {
         "type": "android",
         "version": {
           "op": "<",
           "value": "5.0.0"
         }
       },
       "gl_vendor": "Imagination.*",
       "gl_renderer": "PowerVR Rogue Han",
       "features": [
         "disable_ext_occlusion_query"
       ]
+    },
+    {
+      "id": 105,
+      "cr_bugs": [449488,451230],
+      "description": "Framebuffer discarding causes corruption on Mali-4xx",
+      "gl_renderer": "Mali-4.*",
+      "os": {
+        "type": "android"
+      },
+      "features": [
+        "disable_discard_framebuffer"
+      ]
     }
   ]
 }
 
 );  // LONG_STRING_CONST macro
 
 }  // namespace gpu