| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef sw_FrameBufferDD_hpp |
| #define sw_FrameBufferDD_hpp |
| |
| #include "FrameBufferWin.hpp" |
| |
| #include <ddraw.h> |
| |
| namespace sw |
| { |
| class FrameBufferDD : public FrameBufferWin |
| { |
| public: |
| FrameBufferDD(HWND windowHandle, int width, int height, bool fullscreen, bool topLeftOrigin); |
| |
| ~FrameBufferDD() override; |
| |
| void flip(sw::Surface *source) override; |
| void blit(sw::Surface *source, const Rect *sourceRect, const Rect *destRect) override; |
| |
| void flip(HWND windowOverride, sw::Surface *source) override; |
| void blit(HWND windowOverride, sw::Surface *source, const Rect *sourceRect, const Rect *destRect) override; |
| |
| void *lock() override; |
| void unlock() override; |
| |
| void setGammaRamp(GammaRamp *gammaRamp, bool calibrate) override; |
| void getGammaRamp(GammaRamp *gammaRamp) override; |
| |
| void screenshot(void *destBuffer) override; |
| bool getScanline(bool &inVerticalBlank, unsigned int &scanline) override; |
| |
| void drawText(int x, int y, const char *string, ...); |
| |
| private: |
| void initFullscreen(); |
| void initWindowed(); |
| void createSurfaces(); |
| bool readySurfaces(); |
| void updateClipper(HWND windowOverride); |
| void restoreSurfaces(); |
| void releaseAll(); |
| |
| HMODULE ddraw; |
| typedef HRESULT (WINAPI *DIRECTDRAWCREATE)( GUID FAR *lpGUID, LPDIRECTDRAW FAR *lplpDD, IUnknown FAR *pUnkOuter ); |
| HRESULT (WINAPI *DirectDrawCreate)( GUID FAR *lpGUID, LPDIRECTDRAW FAR *lplpDD, IUnknown FAR *pUnkOuter ); |
| typedef HRESULT (WINAPI *DIRECTDRAWENUMERATEEXA)( LPDDENUMCALLBACKEXA lpCallback, LPVOID lpContext, DWORD dwFlags); |
| HRESULT (WINAPI *DirectDrawEnumerateExA)( LPDDENUMCALLBACKEXA lpCallback, LPVOID lpContext, DWORD dwFlags); |
| |
| IDirectDraw *directDraw; |
| IDirectDrawSurface *frontBuffer; |
| IDirectDrawSurface *backBuffer; |
| }; |
| } |
| |
| #endif // sw_FrameBufferDD_hpp |