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//
// Copyright 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Platform.cpp: Implementation methods for angle::Platform.
#include <platform/Platform.h>
#include <cstring>
#include "common/debug.h"
namespace
{
// TODO(jmadill): Make methods owned by egl::Display.
angle::PlatformMethods g_platformMethods;
} // anonymous namespace
angle::PlatformMethods *ANGLEPlatformCurrent()
{
return &g_platformMethods;
}
bool ANGLE_APIENTRY ANGLEGetDisplayPlatform(angle::EGLDisplayType display,
const char *const methodNames[],
unsigned int methodNameCount,
void *context,
void *platformMethods)
{
angle::PlatformMethods **platformMethodsOut =
reinterpret_cast<angle::PlatformMethods **>(platformMethods);
// We allow for a lower input count of impl platform methods if the subset is correct.
if (methodNameCount > angle::g_NumPlatformMethods)
{
ERR() << "Invalid platform method count: " << methodNameCount << ", expected "
<< angle::g_NumPlatformMethods << ".";
return false;
}
for (unsigned int nameIndex = 0; nameIndex < methodNameCount; ++nameIndex)
{
const char *expectedName = angle::g_PlatformMethodNames[nameIndex];
const char *actualName = methodNames[nameIndex];
if (strcmp(expectedName, actualName) != 0)
{
ERR() << "Invalid platform method name: " << actualName << ", expected " << expectedName
<< ".";
return false;
}
}
// TODO(jmadill): Store platform methods in display.
g_platformMethods.context = context;
*platformMethodsOut = &g_platformMethods;
return true;
}
void ANGLE_APIENTRY ANGLEResetDisplayPlatform(angle::EGLDisplayType display)
{
// TODO(jmadill): Store platform methods in display.
g_platformMethods = angle::PlatformMethods();
}
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