Fails glLinkProgram if two glBindAttribLocation conflicts.

gpu/command_buffer/service/program_manager_unittest.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 "base/memory/scoped_ptr.h"
 #include "base/string_number_conversions.h"
@@ skipping 920 matching lines @@
         input->name_offset, input->name_length);
     ASSERT_TRUE(name_buf != NULL);
     std::string name(name_buf, input->name_length);
     EXPECT_STREQ(expected.good_name, name.c_str());
     ++input;
   }
   EXPECT_EQ(header->num_attribs + header->num_uniforms,
             static_cast<uint32>(input - inputs));
 }
 
+TEST_F(ProgramManagerWithShaderTest, BindAttribLocationConflicts) {
+  // Set up shader
+  const GLuint kShaderClientId = 1;
+  const GLuint kShaderServiceId = 11;
+  MockShaderTranslator shader_translator;
+  ShaderTranslator::VariableMap attrib_map;
+  for (uint32 ii = 0; ii < kNumAttribs; ++ii) {
+    attrib_map[kAttribs[ii].name] = ShaderTranslatorInterface::VariableInfo(
+        kAttribs[ii].type, kAttribs[ii].size, kAttribs[ii].name);
+  }
+  ShaderTranslator::VariableMap uniform_map;
+  EXPECT_CALL(shader_translator, attrib_map())
+      .WillRepeatedly(ReturnRef(attrib_map));
+  EXPECT_CALL(shader_translator, uniform_map())
+      .WillRepeatedly(ReturnRef(uniform_map));
+  // Check we can create shader.
+  ShaderManager::ShaderInfo* shader = shader_manager_.CreateShaderInfo(
+      kShaderClientId, kShaderServiceId, GL_VERTEX_SHADER);
+  // Check shader got created.
+  ASSERT_TRUE(shader != NULL);
+  // Set Status
+  shader->SetStatus(true, "", &shader_translator);
+  // Check attrib infos got copied.
+  for (ShaderTranslator::VariableMap::const_iterator it = attrib_map.begin();
+       it != attrib_map.end(); ++it) {
+    const ShaderManager::ShaderInfo::VariableInfo* variable_info =
+        shader->GetAttribInfo(it->first);
+    ASSERT_TRUE(variable_info != NULL);
+    EXPECT_EQ(it->second.type, variable_info->type);
+    EXPECT_EQ(it->second.size, variable_info->size);
+    EXPECT_EQ(it->second.name, variable_info->name);
+  }
+
+  // Set up prgram

[greggman, 2012/03/02 01:32:36]

prgram->program

[Zhenyao Mo, 2012/03/02 18:58:22]

Done.

+  const GLuint kClientProgramId = 6666;
+  const GLuint kServiceProgramId = 8888;
+  ProgramManager::ProgramInfo* program_info =
+      manager_.CreateProgramInfo(kClientProgramId, kServiceProgramId);
+  ASSERT_TRUE(program_info != NULL);
+  EXPECT_TRUE(program_info->AttachShader(&shader_manager_, shader));
+
+  EXPECT_FALSE(program_info->DetectAttribLocationBindingConflicts());
+  program_info->SetAttribLocationBinding(kAttrib1Name, 0);
+  EXPECT_FALSE(program_info->DetectAttribLocationBindingConflicts());
+  program_info->SetAttribLocationBinding("xxx", 0);
+  EXPECT_FALSE(program_info->DetectAttribLocationBindingConflicts());
+  program_info->SetAttribLocationBinding(kAttrib2Name, 1);
+  EXPECT_FALSE(program_info->DetectAttribLocationBindingConflicts());
+  program_info->SetAttribLocationBinding(kAttrib2Name, 0);
+  EXPECT_TRUE(program_info->DetectAttribLocationBindingConflicts());
+}
+
 }  // namespace gles2
 }  // namespace gpu