//
// Copyright (c) 2002-2010 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.
//
// Display.cpp: Implements the egl::Display class, representing the abstract
// display on which graphics are drawn. Implements EGLDisplay.
// [EGL 1.4] section 2.1.2 page 3.
#include "libEGL/Display.h"
#include <algorithm>
#include <vector>
#include "common/debug.h"
#include "libEGL/main.h"
#define REF_RAST 0 // Can also be enabled by defining FORCE_REF_RAST in the project's predefined macros
#define ENABLE_D3D9EX 1 // Enables use of the IDirect3D9Ex interface, when available
namespace egl
{
Display::Display(HDC deviceContext) : mDc(deviceContext)
{
mD3d9Module = NULL;
mD3d9 = NULL;
mD3d9ex = NULL;
mDevice = NULL;
mDeviceWindow = NULL;
mAdapter = D3DADAPTER_DEFAULT;
#if REF_RAST == 1 || defined(FORCE_REF_RAST)
mDeviceType = D3DDEVTYPE_REF;
#else
mDeviceType = D3DDEVTYPE_HAL;
#endif
mMinSwapInterval = 1;
mMaxSwapInterval = 1;
}
Display::~Display()
{
terminate();
}
bool Display::initialize()
{
if (isInitialized())
{
return true;
}
mD3d9Module = LoadLibrary(TEXT("d3d9.dll"));
if (mD3d9Module == NULL)
{
terminate();
return false;
}
typedef IDirect3D9* (WINAPI *Direct3DCreate9Func)(UINT);
Direct3DCreate9Func Direct3DCreate9Ptr = reinterpret_cast<Direct3DCreate9Func>(GetProcAddress(mD3d9Module, "Direct3DCreate9"));
if (Direct3DCreate9Ptr == NULL)
{
terminate();
return false;
}
typedef HRESULT (WINAPI *Direct3DCreate9ExFunc)(UINT, IDirect3D9Ex**);
Direct3DCreate9ExFunc Direct3DCreate9ExPtr = reinterpret_cast<Direct3DCreate9ExFunc>(GetProcAddress(mD3d9Module, "Direct3DCreate9Ex"));
// Use Direct3D9Ex if available. Among other things, this version is less
// inclined to report a lost context, for example when the user switches
// desktop. Direct3D9Ex is available in Windows Vista and later if suitable drivers are available.
if (ENABLE_D3D9EX && Direct3DCreate9ExPtr && SUCCEEDED(Direct3DCreate9ExPtr(D3D_SDK_VERSION, &mD3d9ex)))
{
ASSERT(mD3d9ex);
mD3d9ex->QueryInterface(IID_IDirect3D9, reinterpret_cast<void**>(&mD3d9));
ASSERT(mD3d9);
}
else
{
mD3d9 = Direct3DCreate9Ptr(D3D_SDK_VERSION);
}
if (mD3d9)
{
if (mDc != NULL)
{
// UNIMPLEMENTED(); // FIXME: Determine which adapter index the device context corresponds to
}
HRESULT result;
// Give up on getting device caps after about one second.
for (int i = 0; i < 10; ++i)
{
result = mD3d9->GetDeviceCaps(mAdapter, mDeviceType, &mDeviceCaps);
if (SUCCEEDED(result))
{
break;
}
else if (result == D3DERR_NOTAVAILABLE)
{
Sleep(100); // Give the driver some time to initialize/recover
}
else if (FAILED(result)) // D3DERR_OUTOFVIDEOMEMORY, E_OUTOFMEMORY, D3DERR_INVALIDDEVICE, or another error we can't recover from
{
terminate();
return error(EGL_BAD_ALLOC, false);
}
}
if (mDeviceCaps.PixelShaderVersion < D3DPS_VERSION(2, 0))
{
terminate();
return error(EGL_NOT_INITIALIZED, false);
}
// When DirectX9 is running with an older DirectX8 driver, a StretchRect from a regular texture to a render target texture is not supported.
// This is required by Texture2D::convertToRenderTarget.
if ((mDeviceCaps.DevCaps2 & D3DDEVCAPS2_CAN_STRETCHRECT_FROM_TEXTURES) == 0)
{
terminate();
return error(EGL_NOT_INITIALIZED, false);
}
mMinSwapInterval = 4;
mMaxSwapInterval = 0;
if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_IMMEDIATE) {mMinSwapInterval = std::min(mMinSwapInterval, 0); mMaxSwapInterval = std::max(mMaxSwapInterval, 0);}
if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_ONE) {mMinSwapInterval = std::min(mMinSwapInterval, 1); mMaxSwapInterval = std::max(mMaxSwapInterval, 1);}
if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_TWO) {mMinSwapInterval = std::min(mMinSwapInterval, 2); mMaxSwapInterval = std::max(mMaxSwapInterval, 2);}
if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_THREE) {mMinSwapInterval = std::min(mMinSwapInterval, 3); mMaxSwapInterval = std::max(mMaxSwapInterval, 3);}
if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_FOUR) {mMinSwapInterval = std::min(mMinSwapInterval, 4); mMaxSwapInterval = std::max(mMaxSwapInterval, 4);}
const D3DFORMAT renderTargetFormats[] =
{
D3DFMT_A1R5G5B5,
// D3DFMT_A2R10G10B10, // The color_ramp conformance test uses ReadPixels with UNSIGNED_BYTE causing it to think that rendering skipped a colour value.
D3DFMT_A8R8G8B8,
D3DFMT_R5G6B5,
// D3DFMT_X1R5G5B5, // Has no compatible OpenGL ES renderbuffer format
D3DFMT_X8R8G8B8
};
const D3DFORMAT depthStencilFormats[] =
{
// D3DFMT_D16_LOCKABLE,
D3DFMT_D32,
// D3DFMT_D15S1,
D3DFMT_D24S8,
D3DFMT_D24X8,
// D3DFMT_D24X4S4,
D3DFMT_D16,
// D3DFMT_D32F_LOCKABLE,
// D3DFMT_D24FS8
};
D3DDISPLAYMODE currentDisplayMode;
mD3d9->GetAdapterDisplayMode(mAdapter, ¤tDisplayMode);
ConfigSet configSet;
for (int formatIndex = 0; formatIndex < sizeof(renderTargetFormats) / sizeof(D3DFORMAT); formatIndex++)
{
D3DFORMAT renderTargetFormat = renderTargetFormats[formatIndex];
HRESULT result = mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_RENDERTARGET, D3DRTYPE_SURFACE, renderTargetFormat);
if (SUCCEEDED(result))
{
for (int depthStencilIndex = 0; depthStencilIndex < sizeof(depthStencilFormats) / sizeof(D3DFORMAT); depthStencilIndex++)
{
D3DFORMAT depthStencilFormat = depthStencilFormats[depthStencilIndex];
HRESULT result = mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_DEPTHSTENCIL, D3DRTYPE_SURFACE, depthStencilFormat);
if (SUCCEEDED(result))
{
HRESULT result = mD3d9->CheckDepthStencilMatch(mAdapter, mDeviceType, currentDisplayMode.Format, renderTargetFormat, depthStencilFormat);
if (SUCCEEDED(result))
{
// FIXME: enumerate multi-sampling
configSet.add(currentDisplayMode, mMinSwapInterval, mMaxSwapInterval, renderTargetFormat, depthStencilFormat, 0);
}
}
}
}
}
// Give the sorted configs a unique ID and store them internally
EGLint index = 1;
for (ConfigSet::Iterator config = configSet.mSet.begin(); config != configSet.mSet.end(); config++)
{
Config configuration = *config;
configuration.mConfigID = index;
index++;
mConfigSet.mSet.insert(configuration);
}
}
if (!isInitialized())
{
terminate();
return false;
}
static const TCHAR windowName[] = TEXT("AngleHiddenWindow");
static const TCHAR className[] = TEXT("STATIC");
mDeviceWindow = CreateWindowEx(WS_EX_NOACTIVATE, className, windowName, WS_DISABLED | WS_POPUP, 0, 0, 1, 1, HWND_MESSAGE, NULL, GetModuleHandle(NULL), NULL);
return true;
}
void Display::terminate()
{
while (!mSurfaceSet.empty())
{
destroySurface(*mSurfaceSet.begin());
}
while (!mContextSet.empty())
{
destroyContext(*mContextSet.begin());
}
if (mDevice)
{
// If the device is lost, reset it first to prevent leaving the driver in an unstable state
if (FAILED(mDevice->TestCooperativeLevel()))
{
resetDevice();
}
mDevice->Release();
mDevice = NULL;
}
if (mD3d9)
{
mD3d9->Release();
mD3d9 = NULL;
}
if (mDeviceWindow)
{
DestroyWindow(mDeviceWindow);
mDeviceWindow = NULL;
}
if (mD3d9ex)
{
mD3d9ex->Release();
mD3d9ex = NULL;
}
if (mD3d9Module)
{
FreeLibrary(mD3d9Module);
mD3d9Module = NULL;
}
}
void Display::startScene()
{
if (!mSceneStarted)
{
long result = mDevice->BeginScene();
ASSERT(SUCCEEDED(result));
mSceneStarted = true;
}
}
void Display::endScene()
{
if (mSceneStarted)
{
long result = mDevice->EndScene();
ASSERT(SUCCEEDED(result));
mSceneStarted = false;
}
}
bool Display::getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig)
{
return mConfigSet.getConfigs(configs, attribList, configSize, numConfig);
}
bool Display::getConfigAttrib(EGLConfig config, EGLint attribute, EGLint *value)
{
const egl::Config *configuration = mConfigSet.get(config);
switch (attribute)
{
case EGL_BUFFER_SIZE: *value = configuration->mBufferSize; break;
case EGL_ALPHA_SIZE: *value = configuration->mAlphaSize; break;
case EGL_BLUE_SIZE: *value = configuration->mBlueSize; break;
case EGL_GREEN_SIZE: *value = configuration->mGreenSize; break;
case EGL_RED_SIZE: *value = configuration->mRedSize; break;
case EGL_DEPTH_SIZE: *value = configuration->mDepthSize; break;
case EGL_STENCIL_SIZE: *value = configuration->mStencilSize; break;
case EGL_CONFIG_CAVEAT: *value = configuration->mConfigCaveat; break;
case EGL_CONFIG_ID: *value = configuration->mConfigID; break;
case EGL_LEVEL: *value = configuration->mLevel; break;
case EGL_NATIVE_RENDERABLE: *value = configuration->mNativeRenderable; break;
case EGL_NATIVE_VISUAL_TYPE: *value = configuration->mNativeVisualType; break;
case EGL_SAMPLES: *value = configuration->mSamples; break;
case EGL_SAMPLE_BUFFERS: *value = configuration->mSampleBuffers; break;
case EGL_SURFACE_TYPE: *value = configuration->mSurfaceType; break;
case EGL_TRANSPARENT_TYPE: *value = configuration->mTransparentType; break;
case EGL_TRANSPARENT_BLUE_VALUE: *value = configuration->mTransparentBlueValue; break;
case EGL_TRANSPARENT_GREEN_VALUE: *value = configuration->mTransparentGreenValue; break;
case EGL_TRANSPARENT_RED_VALUE: *value = configuration->mTransparentRedValue; break;
case EGL_BIND_TO_TEXTURE_RGB: *value = configuration->mBindToTextureRGB; break;
case EGL_BIND_TO_TEXTURE_RGBA: *value = configuration->mBindToTextureRGBA; break;
case EGL_MIN_SWAP_INTERVAL: *value = configuration->mMinSwapInterval; break;
case EGL_MAX_SWAP_INTERVAL: *value = configuration->mMaxSwapInterval; break;
case EGL_LUMINANCE_SIZE: *value = configuration->mLuminanceSize; break;
case EGL_ALPHA_MASK_SIZE: *value = configuration->mAlphaMaskSize; break;
case EGL_COLOR_BUFFER_TYPE: *value = configuration->mColorBufferType; break;
case EGL_RENDERABLE_TYPE: *value = configuration->mRenderableType; break;
case EGL_MATCH_NATIVE_PIXMAP: *value = false; UNIMPLEMENTED(); break;
case EGL_CONFORMANT: *value = configuration->mConformant; break;
default:
return false;
}
return true;
}
bool Display::createDevice()
{
D3DPRESENT_PARAMETERS presentParameters = getDefaultPresentParameters();
DWORD behaviorFlags = D3DCREATE_FPU_PRESERVE | D3DCREATE_NOWINDOWCHANGES;
HRESULT result = mD3d9->CreateDevice(mAdapter, mDeviceType, mDeviceWindow, behaviorFlags | D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE, &presentParameters, &mDevice);
if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY || result == D3DERR_DEVICELOST)
{
return error(EGL_BAD_ALLOC, false);
}
if (FAILED(result))
{
result = mD3d9->CreateDevice(mAdapter, mDeviceType, mDeviceWindow, behaviorFlags | D3DCREATE_SOFTWARE_VERTEXPROCESSING, &presentParameters, &mDevice);
if (FAILED(result))
{
ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY || result == D3DERR_NOTAVAILABLE || result == D3DERR_DEVICELOST);
return error(EGL_BAD_ALLOC, false);
}
}
// Permanent non-default states
mDevice->SetRenderState(D3DRS_POINTSPRITEENABLE, TRUE);
mSceneStarted = false;
return true;
}
bool Display::resetDevice()
{
D3DPRESENT_PARAMETERS presentParameters = getDefaultPresentParameters();
HRESULT result;
do
{
Sleep(0); // Give the graphics driver some CPU time
result = mDevice->Reset(&presentParameters);
}
while (result == D3DERR_DEVICELOST);
if (FAILED(result))
{
return error(EGL_BAD_ALLOC, false);
}
ASSERT(SUCCEEDED(result));
return true;
}
Surface *Display::createWindowSurface(HWND window, EGLConfig config)
{
const Config *configuration = mConfigSet.get(config);
Surface *surface = new Surface(this, configuration, window);
mSurfaceSet.insert(surface);
return surface;
}
EGLContext Display::createContext(EGLConfig configHandle, const gl::Context *shareContext)
{
if (!mDevice)
{
if (!createDevice())
{
return NULL;
}
}
else if (FAILED(mDevice->TestCooperativeLevel())) // Lost device
{
if (!resetDevice())
{
return NULL;
}
// Restore any surfaces that may have been lost
for (SurfaceSet::iterator surface = mSurfaceSet.begin(); surface != mSurfaceSet.end(); surface++)
{
(*surface)->resetSwapChain();
}
}
const egl::Config *config = mConfigSet.get(configHandle);
gl::Context *context = glCreateContext(config, shareContext);
mContextSet.insert(context);
return context;
}
void Display::destroySurface(egl::Surface *surface)
{
delete surface;
mSurfaceSet.erase(surface);
}
void Display::destroyContext(gl::Context *context)
{
glDestroyContext(context);
mContextSet.erase(context);
if (mContextSet.empty() && mDevice && FAILED(mDevice->TestCooperativeLevel())) // Last context of a lost device
{
for (SurfaceSet::iterator surface = mSurfaceSet.begin(); surface != mSurfaceSet.end(); surface++)
{
(*surface)->release();
}
}
}
bool Display::isInitialized()
{
return mD3d9 != NULL && mConfigSet.size() > 0;
}
bool Display::isValidConfig(EGLConfig config)
{
return mConfigSet.get(config) != NULL;
}
bool Display::isValidContext(gl::Context *context)
{
return mContextSet.find(context) != mContextSet.end();
}
bool Display::isValidSurface(egl::Surface *surface)
{
return mSurfaceSet.find(surface) != mSurfaceSet.end();
}
bool Display::hasExistingWindowSurface(HWND window)
{
for (SurfaceSet::iterator surface = mSurfaceSet.begin(); surface != mSurfaceSet.end(); surface++)
{
if ((*surface)->getWindowHandle() == window)
{
return true;
}
}
return false;
}
EGLint Display::getMinSwapInterval()
{
return mMinSwapInterval;
}
EGLint Display::getMaxSwapInterval()
{
return mMaxSwapInterval;
}
IDirect3DDevice9 *Display::getDevice()
{
if (!mDevice)
{
if (!createDevice())
{
return NULL;
}
}
return mDevice;
}
D3DCAPS9 Display::getDeviceCaps()
{
return mDeviceCaps;
}
void Display::getMultiSampleSupport(D3DFORMAT format, bool *multiSampleArray)
{
for (int multiSampleIndex = 0; multiSampleIndex <= D3DMULTISAMPLE_16_SAMPLES; multiSampleIndex++)
{
HRESULT result = mD3d9->CheckDeviceMultiSampleType(mAdapter, mDeviceType, format,
TRUE, (D3DMULTISAMPLE_TYPE)multiSampleIndex, NULL);
multiSampleArray[multiSampleIndex] = SUCCEEDED(result);
}
}
bool Display::getCompressedTextureSupport()
{
D3DDISPLAYMODE currentDisplayMode;
mD3d9->GetAdapterDisplayMode(mAdapter, ¤tDisplayMode);
return SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, 0, D3DRTYPE_TEXTURE, D3DFMT_DXT1));
}
bool Display::getFloatTextureSupport(bool *filtering, bool *renderable)
{
D3DDISPLAYMODE currentDisplayMode;
mD3d9->GetAdapterDisplayMode(mAdapter, ¤tDisplayMode);
*filtering = SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_QUERY_FILTER,
D3DRTYPE_TEXTURE, D3DFMT_A32B32G32R32F)) &&
SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_QUERY_FILTER,
D3DRTYPE_CUBETEXTURE, D3DFMT_A32B32G32R32F));
*renderable = SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_RENDERTARGET,
D3DRTYPE_TEXTURE, D3DFMT_A32B32G32R32F))&&
SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_RENDERTARGET,
D3DRTYPE_CUBETEXTURE, D3DFMT_A32B32G32R32F));
if (!filtering && !renderable)
{
return SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, 0,
D3DRTYPE_TEXTURE, D3DFMT_A32B32G32R32F)) &&
SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, 0,
D3DRTYPE_CUBETEXTURE, D3DFMT_A32B32G32R32F));
}
else
{
return true;
}
}
bool Display::getHalfFloatTextureSupport(bool *filtering, bool *renderable)
{
D3DDISPLAYMODE currentDisplayMode;
mD3d9->GetAdapterDisplayMode(mAdapter, ¤tDisplayMode);
*filtering = SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_QUERY_FILTER,
D3DRTYPE_TEXTURE, D3DFMT_A16B16G16R16F)) &&
SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_QUERY_FILTER,
D3DRTYPE_CUBETEXTURE, D3DFMT_A16B16G16R16F));
*renderable = SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_RENDERTARGET,
D3DRTYPE_TEXTURE, D3DFMT_A16B16G16R16F)) &&
SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_RENDERTARGET,
D3DRTYPE_CUBETEXTURE, D3DFMT_A16B16G16R16F));
if (!filtering && !renderable)
{
return SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, 0,
D3DRTYPE_TEXTURE, D3DFMT_A16B16G16R16F)) &&
SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, 0,
D3DRTYPE_CUBETEXTURE, D3DFMT_A16B16G16R16F));
}
else
{
return true;
}
}
bool Display::getLuminanceTextureSupport()
{
D3DDISPLAYMODE currentDisplayMode;
mD3d9->GetAdapterDisplayMode(mAdapter, ¤tDisplayMode);
return SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, 0, D3DRTYPE_TEXTURE, D3DFMT_L8));
}
bool Display::getLuminanceAlphaTextureSupport()
{
D3DDISPLAYMODE currentDisplayMode;
mD3d9->GetAdapterDisplayMode(mAdapter, ¤tDisplayMode);
return SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, 0, D3DRTYPE_TEXTURE, D3DFMT_A8L8));
}
D3DPOOL Display::getBufferPool(DWORD usage) const
{
if (mD3d9ex != NULL)
{
return D3DPOOL_DEFAULT;
}
else
{
if (!(usage & D3DUSAGE_DYNAMIC))
{
return D3DPOOL_MANAGED;
}
}
return D3DPOOL_DEFAULT;
}
bool Display::getEventQuerySupport()
{
IDirect3DQuery9 *query;
HRESULT result = mDevice->CreateQuery(D3DQUERYTYPE_EVENT, &query);
if (SUCCEEDED(result))
{
query->Release();
}
return result != D3DERR_NOTAVAILABLE;
}
D3DPRESENT_PARAMETERS Display::getDefaultPresentParameters()
{
D3DPRESENT_PARAMETERS presentParameters = {0};
// The default swap chain is never actually used. Surface will create a new swap chain with the proper parameters.
presentParameters.AutoDepthStencilFormat = D3DFMT_UNKNOWN;
presentParameters.BackBufferCount = 1;
presentParameters.BackBufferFormat = D3DFMT_UNKNOWN;
presentParameters.BackBufferWidth = 1;
presentParameters.BackBufferHeight = 1;
presentParameters.EnableAutoDepthStencil = FALSE;
presentParameters.Flags = 0;
presentParameters.hDeviceWindow = mDeviceWindow;
presentParameters.MultiSampleQuality = 0;
presentParameters.MultiSampleType = D3DMULTISAMPLE_NONE;
presentParameters.PresentationInterval = D3DPRESENT_INTERVAL_DEFAULT;
presentParameters.SwapEffect = D3DSWAPEFFECT_DISCARD;
presentParameters.Windowed = TRUE;
return presentParameters;
}
}