pcsx2/plugins/zzogl-pg/opengl/ZZoglFlush.h

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/* ZZ Open GL graphics plugin
* Copyright (c)2009-2010 zeydlitz@gmail.com, arcum42@gmail.com
* Based on Zerofrog's ZeroGS KOSMOS (c)2005-2008
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef ZZOGLFLUSH_H_INCLUDED
#define ZZOGLFLUSH_H_INCLUDED
#ifndef ZEROGS_DEVBUILD
#define INC_GENVARS()
#define INC_TEXVARS()
#define INC_ALPHAVARS()
#define INC_RESOLVE()
#define g_bUpdateEffect 0
#define g_bSaveTex 0
#define g_bSaveResolved 0
#else // defined(ZEROGS_DEVBUILD)
#define INC_GENVARS() ++g_nGenVars
#define INC_TEXVARS() ++g_nTexVars
#define INC_ALPHAVARS() ++g_nAlphaVars
#define INC_RESOLVE() ++g_nResolve
extern bool g_bUpdateEffect;
extern bool g_bSaveTex; // saves the current texture
extern bool g_bSaveResolved;
#endif // !defined(ZEROGS_DEVBUILD)
enum StencilBits
{
STENCIL_ALPHABIT = 1, // if set, dest alpha >= 0x80
STENCIL_PIXELWRITE = 2, // if set, pixel just written (reset after every Flush)
STENCIL_FBA = 4, // if set, just written pixel's alpha >= 0 (reset after every Flush)
STENCIL_SPECIAL = 8 // if set, indicates that pixel passed its alpha test (reset after every Flush)
//STENCIL_PBE = 16
};
#define STENCIL_CLEAR (2|4|8|16)
enum ColorMask
{
COLORMASK_RED = 1,
COLORMASK_GREEN = 2,
COLORMASK_BLUE = 4,
COLORMASK_ALPHA = 8
};
#define GL_COLORMASK(mask) glColorMask(!!((mask)&COLORMASK_RED), !!((mask)&COLORMASK_GREEN), !!((mask)&COLORMASK_BLUE), !!((mask)&COLORMASK_ALPHA))
// extern int g_nDepthBias;
extern float g_fBlockMult; // used for old cards, that do not support Alpha-32float textures. We store block data in u16 and use it.
extern u32 g_nCurVBOIndex;
extern u8* g_pbyGSClut;
extern int ppf;
extern bool s_bTexFlush;
extern vector<u32> s_vecTempTextures; // temporary textures, released at the end of every frame
extern GLuint g_vboBuffers[VB_NUMBUFFERS]; // VBOs for all drawing commands
extern CRangeManager s_RangeMngr; // manages overwritten memory // zz
#if 0
typedef union
{
struct
{
u8 _bNeedAlphaColor; // set if vAlphaBlendColor needs to be set
u8 _b2XAlphaTest; // Only valid when bNeedAlphaColor is set. if 1st bit set set, double all alpha testing values
// otherwise alpha testing needs to be done separately.
u8 _bDestAlphaColor; // set to 1 if blending with dest color (process only one tri at a time). If 2, dest alpha is always 1.
u8 _bAlphaClamping; // if first bit is set, do min; if second bit, do max
};
u32 _bAlphaState;
} g_flag_vars;
extern g_flag_vars g_vars;
#endif
//#define bNeedAlphaColor g_vars._bNeedAlphaColor
//#define b2XAlphaTest g_vars._b2XAlphaTest
//#define bDestAlphaColor g_vars._bDestAlphaColor
//#define bAlphaClamping g_vars._bAlphaClamping
void FlushTransferRanges(const tex0Info* ptex); //zz
// use to update the state
void SetTexVariables(int context, FRAGMENTSHADER* pfragment); // zz
void SetTexInt(int context, FRAGMENTSHADER* pfragment, int settexint); // zz
void SetAlphaVariables(const alphaInfo& ainfo); // zzz
//void ResetAlphaVariables();
inline void SetAlphaTestInt(pixTest curtest);
inline void RenderAlphaTest(const VB& curvb, FRAGMENTSHADER* pfragment);
inline void RenderStencil(const VB& curvb, u32 dwUsingSpecialTesting);
inline void ProcessStencil(const VB& curvb);
inline void RenderFBA(const VB& curvb, FRAGMENTSHADER* pfragment);
inline void ProcessFBA(const VB& curvb, FRAGMENTSHADER* pfragment); // zz
void SetContextTarget(int context);
void SetWriteDepth();
bool IsWriteDepth();
void SetDestAlphaTest();
#endif // ZZOGLFLUSH_H_INCLUDED