Get LinkProgram to work with int/uint sampler variables.

gpu/command_buffer/service/program_manager.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/program_manager.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 200 matching lines @@
     case GL_FLOAT_MAT4x3:
       accepts_api_type = kUniformMatrix4x3f;
       break;
 
     case GL_SAMPLER_2D:
     case GL_SAMPLER_2D_RECT_ARB:
     case GL_SAMPLER_CUBE:
     case GL_SAMPLER_3D_OES:
     case GL_SAMPLER_EXTERNAL_OES:
     case GL_SAMPLER_2D_ARRAY:
+    case GL_SAMPLER_2D_SHADOW:
+    case GL_SAMPLER_2D_ARRAY_SHADOW:
+    case GL_INT_SAMPLER_2D:
+    case GL_INT_SAMPLER_3D:
+    case GL_INT_SAMPLER_CUBE:
+    case GL_INT_SAMPLER_2D_ARRAY:
+    case GL_UNSIGNED_INT_SAMPLER_2D:
+    case GL_UNSIGNED_INT_SAMPLER_3D:
+    case GL_UNSIGNED_INT_SAMPLER_CUBE:
+    case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
       accepts_api_type = kUniform1i;
       break;
 
     default:
       NOTREACHED() << "Unhandled UniformInfo type " << type;
       break;
   }
 }
 
 Program::UniformInfo::~UniformInfo() {}
@@ skipping 1698 matching lines @@
   DCHECK(program);
   program->ClearUniforms(&zero_);
 }
 
 int32 ProgramManager::MakeFakeLocation(int32 index, int32 element) {
   return index + element * 0x10000;
 }
 
 }  // namespace gles2
 }  // namespace gpu