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//
// Copyright (c) 2012-2014 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.
//
// Renderer.cpp: Implements EGL dependencies for creating and destroying Renderer instances.
#include "common/utilities.h"
#include "libEGL/AttributeMap.h"
#include "libGLESv2/main.h"
#include "libGLESv2/renderer/Renderer.h"
#include <EGL/eglext.h>
#if defined (ANGLE_ENABLE_D3D9)
#include "libGLESv2/renderer/d3d/d3d9/Renderer9.h"
#endif // ANGLE_ENABLE_D3D9
#if defined (ANGLE_ENABLE_D3D11)
#include "libGLESv2/renderer/d3d/d3d11/Renderer11.h"
#endif // ANGLE_ENABLE_D3D11
#if defined (ANGLE_TEST_CONFIG)
#define ANGLE_DEFAULT_D3D11 1
#endif
#if !defined(ANGLE_DEFAULT_D3D11)
// Enables use of the Direct3D 11 API for a default display, when available
#define ANGLE_DEFAULT_D3D11 0
#endif
namespace rx
{
Renderer::Renderer()
: mCapsInitialized(false),
mWorkaroundsInitialized(false)
{
}
Renderer::~Renderer()
{
}
const gl::Caps &Renderer::getRendererCaps() const
{
if (!mCapsInitialized)
{
generateCaps(&mCaps, &mTextureCaps, &mExtensions);
mCapsInitialized = true;
}
return mCaps;
}
const gl::TextureCapsMap &Renderer::getRendererTextureCaps() const
{
if (!mCapsInitialized)
{
generateCaps(&mCaps, &mTextureCaps, &mExtensions);
mCapsInitialized = true;
}
return mTextureCaps;
}
const gl::Extensions &Renderer::getRendererExtensions() const
{
if (!mCapsInitialized)
{
generateCaps(&mCaps, &mTextureCaps, &mExtensions);
mCapsInitialized = true;
}
return mExtensions;
}
const Workarounds &Renderer::getWorkarounds() const
{
if (!mWorkaroundsInitialized)
{
mWorkarounds = generateWorkarounds();
mWorkaroundsInitialized = true;
}
return mWorkarounds;
}
typedef Renderer *(*CreateRendererFunction)(egl::Display*, EGLNativeDisplayType, const egl::AttributeMap &);
template <typename RendererType>
Renderer *CreateRenderer(egl::Display *display, EGLNativeDisplayType nativeDisplay, const egl::AttributeMap &attributes)
{
return new RendererType(display, nativeDisplay, attributes);
}
}
extern "C"
{
rx::Renderer *glCreateRenderer(egl::Display *display, EGLNativeDisplayType nativeDisplay, const egl::AttributeMap &attribMap)
{
std::vector<rx::CreateRendererFunction> rendererCreationFunctions;
EGLint requestedDisplayType = attribMap.get(EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE);
# if defined(ANGLE_ENABLE_D3D11)
if (nativeDisplay == EGL_D3D11_ELSE_D3D9_DISPLAY_ANGLE ||
nativeDisplay == EGL_D3D11_ONLY_DISPLAY_ANGLE ||
requestedDisplayType == EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
{
rendererCreationFunctions.push_back(rx::CreateRenderer<rx::Renderer11>);
}
# endif
# if defined(ANGLE_ENABLE_D3D9)
if (nativeDisplay == EGL_D3D11_ELSE_D3D9_DISPLAY_ANGLE ||
requestedDisplayType == EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE)
{
rendererCreationFunctions.push_back(rx::CreateRenderer<rx::Renderer9>);
}
# endif
if (nativeDisplay != EGL_D3D11_ELSE_D3D9_DISPLAY_ANGLE &&
nativeDisplay != EGL_D3D11_ONLY_DISPLAY_ANGLE &&
requestedDisplayType == EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE)
{
// The default display is requested, try the D3D9 and D3D11 renderers, order them using
// the definition of ANGLE_DEFAULT_D3D11
# if ANGLE_DEFAULT_D3D11
# if defined(ANGLE_ENABLE_D3D11)
rendererCreationFunctions.push_back(rx::CreateRenderer<rx::Renderer11>);
# endif
# if defined(ANGLE_ENABLE_D3D9)
rendererCreationFunctions.push_back(rx::CreateRenderer<rx::Renderer9>);
# endif
# else
# if defined(ANGLE_ENABLE_D3D9)
rendererCreationFunctions.push_back(rx::CreateRenderer<rx::Renderer9>);
# endif
# if defined(ANGLE_ENABLE_D3D11)
rendererCreationFunctions.push_back(rx::CreateRenderer<rx::Renderer11>);
# endif
# endif
}
for (size_t i = 0; i < rendererCreationFunctions.size(); i++)
{
rx::Renderer *renderer = rendererCreationFunctions[i](display, nativeDisplay, attribMap);
if (renderer->initialize() == EGL_SUCCESS)
{
return renderer;
}
else
{
// Failed to create the renderer, try the next
SafeDelete(renderer);
}
}
return NULL;
}
void glDestroyRenderer(rx::Renderer *renderer)
{
ASSERT(renderer);
SafeDelete(renderer);
}
}
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