Chromium Code Reviews| Index: third_party/WebKit/Source/modules/webgl/GLStringQuery.h |
| diff --git a/third_party/WebKit/Source/modules/webgl/GLStringQuery.h b/third_party/WebKit/Source/modules/webgl/GLStringQuery.h |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..bfe15886a3c4589a0f9bcd5e88240020da1417cb |
| --- /dev/null |
| +++ b/third_party/WebKit/Source/modules/webgl/GLStringQuery.h |
| @@ -0,0 +1,73 @@ |
| +// Copyright 2010 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. |
| + |
| +#ifndef GLStringQuery_h |
| +#define GLStringQuery_h |
| + |
| +#include "gpu/command_buffer/client/gles2_interface.h" |
| +#include "wtf/text/WTFString.h" |
| + |
| +namespace blink { |
| + |
| +// Performs a query for a string on GLES2Interface and returns a WTF::String. If |
| +// it is unable to query the string, it wil return an empty WTF::String. |
| +class GLStringQuery { |
| +public: |
| + struct ProgramInfoLog { |
| + static void LengthFunction(gpu::gles2::GLES2Interface* gl, GLuint id, GLint* length) |
| + { |
| + return gl->GetProgramiv(id, GL_INFO_LOG_LENGTH, length); |
| + } |
| + static void LogFunction(gpu::gles2::GLES2Interface* gl, GLuint id, GLint length, GLint* returnedLength, LChar* ptr) |
| + { |
| + return gl->GetProgramInfoLog(id, length, returnedLength, reinterpret_cast<GLchar*>(ptr)); |
| + } |
| + }; |
| + |
| + struct ShaderInfoLog { |
| + static void LengthFunction(gpu::gles2::GLES2Interface* gl, GLuint id, GLint* length) |
| + { |
| + gl->GetShaderiv(id, GL_INFO_LOG_LENGTH, length); |
| + } |
| + static void LogFunction(gpu::gles2::GLES2Interface* gl, GLuint id, GLint length, GLint* returnedLength, LChar* ptr) |
| + { |
| + gl->GetShaderInfoLog(id, length, returnedLength, reinterpret_cast<GLchar*>(ptr)); |
| + } |
| + }; |
| + |
| + struct TranslatedShaderSourceANGLE { |
| + static void LengthFunction(gpu::gles2::GLES2Interface* gl, GLuint id, GLint* length) |
| + { |
| + gl->GetShaderiv(id, GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE, length); |
| + } |
| + static void LogFunction(gpu::gles2::GLES2Interface* gl, GLuint id, GLint length, GLint* returnedLength, LChar* ptr) |
| + { |
| + gl->GetTranslatedShaderSourceANGLE(id, length, returnedLength, reinterpret_cast<GLchar*>(ptr)); |
| + } |
| + }; |
| + |
| + GLStringQuery(gpu::gles2::GLES2Interface* gl) : m_gl(gl) {} |
| + |
| + template<class Traits> |
| + WTF::String Run(GLuint id) { |
| + GLint length = 0; |
| + Traits::LengthFunction(m_gl, id, &length); |
| + if (!length) |
| + return WTF::emptyString(); |
|
esprehn
2016/03/28 21:44:15
you don't need to write WTF:: on all these.
danakj
2016/03/28 21:45:34
Oh that stack of using's at the bottom of WTFStrin
|
| + LChar* logPtr; |
| + RefPtr<WTF::StringImpl> nameImpl = WTF::StringImpl::createUninitialized(length, logPtr); |
|
esprehn
2016/03/28 21:44:15
ditto, don't write WTF::
|
| + GLsizei returnedLength = 0; |
| + Traits::LogFunction(m_gl, id, length, &returnedLength, logPtr); |
| + // The returnedLength excludes the null terminator. If this check wasn't |
| + // true, then we'd need to tell the returned String the real length. |
| + DCHECK_EQ(returnedLength + 1, length); |
| + return String(nameImpl.release()); |
| + } |
| + |
| +private: |
| + gpu::gles2::GLES2Interface* m_gl; |
| +}; |
| + |
| +} // namespace blink |
| +#endif // GLStringQuery_h |