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// Copyright (c) 2009 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.
// These functions emluate GLES2 over command buffers for C.
#include <assert.h>
#include "../client/gles2_lib.h"
// Check that destination pointers point to initialized memory.
// When the context is lost, calling GL function has no effect so if destination
// pointers point to initialized memory it can often lead to crash bugs. eg.
//
// GLsizei len;
// glGetShaderSource(shader, max_size, &len, buffer);
// std::string src(buffer, buffer + len); // len can be uninitialized here!!!
//
// Because this check is not official GL this check happens only on Chrome code,
// not Pepper.
//
// If it was up to us we'd just always write to the destination but the OpenGL
// spec defines the behavior of OpenGL function, not us. :-(
#if defined(__native_client__)
#define GL_CLIENT_VALIDATE_DESTINATION_INITALIZATION_ASSERT(v)
#elif defined(GPU_DCHECK)
#define GL_CLIENT_VALIDATE_DESTINATION_INITALIZATION_ASSERT(v) GPU_DCHECK(v)
#elif defined(DCHECK)
#define GL_CLIENT_VALIDATE_DESTINATION_INITALIZATION_ASSERT(v) DCHECK(v)
#else
#define GL_CLIENT_VALIDATE_DESTINATION_INITALIZATION_ASSERT(v) ASSERT(v)
#endif
#define GL_CLIENT_VALIDATE_DESTINATION_INITALIZATION(type, ptr) \
GL_CLIENT_VALIDATE_DESTINATION_INITALIZATION_ASSERT(ptr && \
(ptr[0] == static_cast<type>(0) || ptr[0] == static_cast<type>(-1)));
extern "C" {
// 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 "../client/gles2_c_lib_autogen.h"
} // extern "C"
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