| 1 | /* |
| 2 | Copyright (C) 2002 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 _FRAME_BUFFER_H_ |
| 21 | #define _FRAME_BUFFER_H_ |
| 22 | |
| 23 | #include "typedefs.h" |
| 24 | #include "RenderTexture.h" |
| 25 | #include "TextureManager.h" |
| 26 | |
| 27 | typedef int SURFFORMAT; |
| 28 | |
| 29 | extern void TexRectToN64FrameBuffer_16b(uint32 x0, uint32 y0, uint32 width, uint32 height, uint32 dwTile); |
| 30 | extern void TexRectToFrameBuffer_8b(uint32 dwXL, uint32 dwYL, uint32 dwXH, uint32 dwYH, float t0u0, float t0v0, float t0u1, float t0v1, uint32 dwTile); |
| 31 | |
| 32 | class FrameBufferManager |
| 33 | { |
| 34 | friend class CGraphicsContext; |
| 35 | friend class CDXGraphicsContext; |
| 36 | public: |
| 37 | FrameBufferManager(); |
| 38 | virtual ~FrameBufferManager(); |
| 39 | |
| 40 | void Initialize(); |
| 41 | void CloseUp(); |
| 42 | void Set_CI_addr(SetImgInfo &newCI); |
| 43 | void UpdateRecentCIAddr(SetImgInfo &ciinfo); |
| 44 | void SetAddrBeDisplayed(uint32 addr); |
| 45 | bool HasAddrBeenDisplayed(uint32 addr, uint32 width); |
| 46 | int FindRecentCIInfoIndex(uint32 addr); |
| 47 | bool IsDIaRenderTexture(); |
| 48 | |
| 49 | int CheckAddrInRenderTextures(uint32 addr, bool checkcrc = true); |
| 50 | uint32 ComputeRenderTextureCRCInRDRAM(int infoIdx); |
| 51 | void CheckRenderTextureCRCInRDRAM(void); |
| 52 | int CheckRenderTexturesWithNewCI(SetImgInfo &CIinfo, uint32 height, bool byNewTxtrBuf); |
| 53 | virtual void ClearN64FrameBufferToBlack(uint32 left=0, uint32 top=0, uint32 width=0, uint32 height=0); |
| 54 | virtual int SetBackBufferAsRenderTexture(SetImgInfo &CIinfo, int ciInfoIdx); |
| 55 | void LoadTextureFromRenderTexture(TxtrCacheEntry* pEntry, int infoIdx); |
| 56 | void UpdateFrameBufferBeforeUpdateFrame(); |
| 57 | virtual void RestoreNormalBackBuffer(); // restore the normal back buffer |
| 58 | virtual void CopyBackToFrameBufferIfReadByCPU(uint32 addr); |
| 59 | virtual void SetRenderTexture(void); |
| 60 | virtual void CloseRenderTexture(bool toSave); |
| 61 | virtual void ActiveTextureBuffer(void); |
| 62 | |
| 63 | int IsAddrInRecentFrameBuffers(uint32 addr); |
| 64 | int CheckAddrInBackBuffers(uint32 addr, uint32 memsize, bool copyToRDRAM = false); |
| 65 | |
| 66 | uint8 CIFindIndex(uint16 val); |
| 67 | uint32 ComputeCImgHeight(SetImgInfo &info, uint32 &height); |
| 68 | |
| 69 | int FindASlot(void); |
| 70 | |
| 71 | bool ProcessFrameWriteRecord(); |
| 72 | void FrameBufferWriteByCPU(uint32 addr, uint32 size); |
| 73 | void FrameBufferReadByCPU( uint32 addr ); |
| 74 | bool FrameBufferInRDRAMCheckCRC(); |
| 75 | void StoreRenderTextureToRDRAM(int infoIdx = -1); |
| 76 | |
| 77 | virtual bool IsRenderingToTexture() {return m_isRenderingToTexture;} |
| 78 | |
| 79 | // Device dependent functions |
| 80 | virtual void SaveBackBuffer(int ciInfoIdx, RECT* pRect=NULL, bool forceToSaveToRDRAM = false); // Copy the current back buffer to temp buffer |
| 81 | virtual void CopyBackBufferToRenderTexture(int idx, RecentCIInfo &ciInfo, RECT* pRect=NULL) {} // Copy the current back buffer to temp buffer |
| 82 | virtual void CopyBufferToRDRAM(uint32 addr, uint32 fmt, uint32 siz, uint32 width, |
| 83 | uint32 height, uint32 bufWidth, uint32 bufHeight, uint32 startaddr, |
| 84 | uint32 memsize, uint32 pitch, TextureFmt bufFmt, void *surf, uint32 bufPitch); |
| 85 | virtual void StoreBackBufferToRDRAM(uint32 addr, uint32 fmt, uint32 siz, uint32 width, |
| 86 | uint32 height, uint32 bufWidth, uint32 bufHeight, uint32 startaddr=0xFFFFFFFF, |
| 87 | uint32 memsize=0xFFFFFFFF, uint32 pitch=0, SURFFORMAT surf_fmt=SURFFMT_A8R8G8B8) {} |
| 88 | #ifdef DEBUGGER |
| 89 | virtual void DisplayRenderTexture(int infoIdx = -1); |
| 90 | #endif |
| 91 | |
| 92 | protected: |
| 93 | bool m_isRenderingToTexture; |
| 94 | int m_curRenderTextureIndex; |
| 95 | int m_lastTextureBufferIndex; |
| 96 | }; |
| 97 | |
| 98 | class DXFrameBufferManager : public FrameBufferManager |
| 99 | { |
| 100 | virtual ~DXFrameBufferManager() {} |
| 101 | |
| 102 | public: |
| 103 | // Device dependent functions |
| 104 | virtual void CopyBackBufferToRenderTexture(int idx, RecentCIInfo &ciInfo, RECT* pRect=NULL); // Copy the current back buffer to temp buffer |
| 105 | virtual void StoreBackBufferToRDRAM(uint32 addr, uint32 fmt, uint32 siz, uint32 width, |
| 106 | uint32 height, uint32 bufWidth, uint32 bufHeight, uint32 startaddr=0xFFFFFFFF, |
| 107 | uint32 memsize=0xFFFFFFFF, uint32 pitch=0, SURFFORMAT surf_fmt=SURFFMT_A8R8G8B8); |
| 108 | }; |
| 109 | |
| 110 | class OGLFrameBufferManager : public FrameBufferManager |
| 111 | { |
| 112 | virtual ~OGLFrameBufferManager() {} |
| 113 | |
| 114 | public: |
| 115 | // Device dependent functions |
| 116 | virtual void CopyBackBufferToRenderTexture(int idx, RecentCIInfo &ciInfo, RECT* pRect=NULL); // Copy the current back buffer to temp buffer |
| 117 | virtual void StoreBackBufferToRDRAM(uint32 addr, uint32 fmt, uint32 siz, uint32 width, |
| 118 | uint32 height, uint32 bufWidth, uint32 bufHeight, uint32 startaddr=0xFFFFFFFF, |
| 119 | uint32 memsize=0xFFFFFFFF, uint32 pitch=0, SURFFORMAT surf_fmt=SURFFMT_A8R8G8B8); |
| 120 | }; |
| 121 | |
| 122 | extern RenderTextureInfo gRenderTextureInfos[]; |
| 123 | extern RenderTextureInfo newRenderTextureInfo; |
| 124 | |
| 125 | #define NEW_TEXTURE_BUFFER |
| 126 | |
| 127 | extern RenderTextureInfo g_ZI_saves[2]; |
| 128 | extern RenderTextureInfo *g_pRenderTextureInfo; |
| 129 | |
| 130 | |
| 131 | extern FrameBufferManager* g_pFrameBufferManager; |
| 132 | |
| 133 | extern RecentCIInfo g_RecentCIInfo[]; |
| 134 | extern RecentViOriginInfo g_RecentVIOriginInfo[]; |
| 135 | extern RenderTextureInfo gRenderTextureInfos[]; |
| 136 | extern int numOfTxtBufInfos; |
| 137 | extern RecentCIInfo *g_uRecentCIInfoPtrs[5]; |
| 138 | extern uint8 RevTlutTable[0x10000]; |
| 139 | |
| 140 | extern uint32 CalculateRDRAMCRC(void *pAddr, uint32 left, uint32 top, uint32 width, uint32 height, uint32 size, uint32 pitchInBytes ); |
| 141 | extern uint16 ConvertRGBATo555(uint8 r, uint8 g, uint8 b, uint8 a); |
| 142 | extern uint16 ConvertRGBATo555(uint32 color32); |
| 143 | extern void InitTlutReverseLookup(void); |
| 144 | |
| 145 | #endif |
| 146 | |