| 1 | /* |
| 2 | Copyright (C) 2003 Rice1964 |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU General Public License |
| 6 | as published by the Free Software Foundation; either version 2 |
| 7 | of the License, or (at your option) any later version. |
| 8 | |
| 9 | This program is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | GNU General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU General Public License |
| 15 | along with this program; if not, write to the Free Software |
| 16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | |
| 18 | */ |
| 19 | |
| 20 | #ifndef GFXCONTEXT_H |
| 21 | #define GFXCONTEXT_H |
| 22 | |
| 23 | #include "typedefs.h" |
| 24 | #include "CritSect.h" |
| 25 | |
| 26 | enum ClearFlag |
| 27 | { |
| 28 | CLEAR_COLOR_BUFFER=0x01, |
| 29 | CLEAR_DEPTH_BUFFER=0x02, |
| 30 | CLEAR_COLOR_AND_DEPTH_BUFFER=0x03, |
| 31 | }; |
| 32 | |
| 33 | |
| 34 | typedef struct |
| 35 | { |
| 36 | uint32 addr; //N64 RDRAM address |
| 37 | uint32 size; //N64 buffer size |
| 38 | uint32 format; //N64 format |
| 39 | uint32 width; |
| 40 | uint32 height; |
| 41 | } TextureBufferShortInfo; |
| 42 | |
| 43 | |
| 44 | // This class basically provides an extra level of security for our |
| 45 | // multithreaded code. Threads can Grab the CGraphicsContext to prevent |
| 46 | // other threads from changing/releasing any of the pointers while it is |
| 47 | // running. |
| 48 | |
| 49 | // It is based on CCritSect for Lock() and Unlock() |
| 50 | |
| 51 | class CGraphicsContext : public CCritSect |
| 52 | { |
| 53 | friend class CDeviceBuilder; |
| 54 | |
| 55 | public: |
| 56 | bool Ready() { return m_bReady; } |
| 57 | bool IsWindowed() {return m_bWindowed;} |
| 58 | |
| 59 | virtual bool Initialize(uint32 dwWidth, uint32 dwHeight, BOOL bWindowed ); |
| 60 | virtual bool ResizeInitialize(uint32 dwWidth, uint32 dwHeight, BOOL bWindowed ); |
| 61 | virtual void CleanUp(); |
| 62 | |
| 63 | virtual void Clear(ClearFlag flags, uint32 color=0xFF000000, float depth=1.0f) = 0; |
| 64 | virtual void UpdateFrame(bool swaponly=false) = 0; |
| 65 | virtual int ToggleFullscreen()=0; // return 0 as the result is windowed |
| 66 | |
| 67 | static void InitWindowInfo(); |
| 68 | static void InitDeviceParameters(); |
| 69 | |
| 70 | bool m_supportTextureMirror; |
| 71 | |
| 72 | public: |
| 73 | static int m_maxFSAA; |
| 74 | static int m_maxAnisotropy; |
| 75 | |
| 76 | protected: |
| 77 | static uint32 m_dwWindowStyle; // Saved window style for mode switches |
| 78 | static uint32 m_dwWindowExStyle; // Saved window style for mode switches |
| 79 | static uint32 m_dwStatusWindowStyle; // Saved window style for mode switches |
| 80 | |
| 81 | static bool m_deviceCapsIsInitialized; |
| 82 | |
| 83 | bool m_bReady; |
| 84 | bool m_bActive; |
| 85 | |
| 86 | bool m_bWindowed; |
| 87 | RECT m_rcWindowBounds; |
| 88 | |
| 89 | char m_strDeviceStats[256]; |
| 90 | |
| 91 | virtual ~CGraphicsContext(); |
| 92 | CGraphicsContext(); |
| 93 | |
| 94 | public: |
| 95 | static CGraphicsContext *g_pGraphicsContext; |
| 96 | static CGraphicsContext * Get(void); |
| 97 | inline const char* GetDeviceStr() {return m_strDeviceStats;} |
| 98 | static bool needCleanScene; |
| 99 | }; |
| 100 | |
| 101 | #endif |
| 102 | |