ES3 sampler types and their corresponding textures should be initialized before being sampled.

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // Copyright (c) 2012 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
@@ skipping 1880 matching lines @@
       GLsizei primcount);
   error::Error DoDrawElements(const char* function_name,
                               bool instanced,
                               GLenum mode,
                               GLsizei count,
                               GLenum type,
                               int32_t offset,
                               GLsizei primcount);
 
   GLenum GetBindTargetForSamplerType(GLenum type) {
-    DCHECK(type == GL_SAMPLER_2D || type == GL_SAMPLER_CUBE ||
-           type == GL_SAMPLER_EXTERNAL_OES || type == GL_SAMPLER_2D_RECT_ARB);
     switch (type) {
       case GL_SAMPLER_2D:
+      case GL_SAMPLER_2D_SHADOW:
+      case GL_INT_SAMPLER_2D:
+      case GL_UNSIGNED_INT_SAMPLER_2D:
         return GL_TEXTURE_2D;
       case GL_SAMPLER_CUBE:
+      case GL_SAMPLER_CUBE_SHADOW:
+      case GL_INT_SAMPLER_CUBE:
+      case GL_UNSIGNED_INT_SAMPLER_CUBE:
         return GL_TEXTURE_CUBE_MAP;
       case GL_SAMPLER_EXTERNAL_OES:
         return GL_TEXTURE_EXTERNAL_OES;
       case GL_SAMPLER_2D_RECT_ARB:
         return GL_TEXTURE_RECTANGLE_ARB;
+      case GL_SAMPLER_3D:
+      case GL_INT_SAMPLER_3D:
+      case GL_UNSIGNED_INT_SAMPLER_3D:
+        return GL_TEXTURE_3D;
+      case GL_SAMPLER_2D_ARRAY:
+      case GL_SAMPLER_2D_ARRAY_SHADOW:
+      case GL_INT_SAMPLER_2D_ARRAY:
+      case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
+        return GL_TEXTURE_2D_ARRAY;
+      default:
+        NOTREACHED();
+        return 0;
     }
-
-    NOTREACHED();
-    return 0;
   }
 
   // Gets the framebuffer info for a particular target.
   Framebuffer* GetFramebufferInfoForTarget(GLenum target) {
     Framebuffer* framebuffer = NULL;
     switch (target) {
       case GL_FRAMEBUFFER:
       case GL_DRAW_FRAMEBUFFER_EXT:
         framebuffer = framebuffer_state_.bound_draw_framebuffer.get();
         break;
@@ skipping 16926 matching lines @@
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "base/macros.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu