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

277 lines
7.7 KiB
C
Raw Normal View History

/* 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 ZZGL_H_INCLUDED
#define ZZGL_H_INCLUDED
#include "PS2Etypes.h"
#include "PS2Edefs.h"
// Need this before gl.h
#ifdef _WIN32
#include <windows.h>
#include <GL/gl.h>
#include <GL/glext.h>
#include "glprocs.h"
#else
// adding glew support instead of glXGetProcAddress (thanks to scaught)
#include <GL/glew.h>
#include <GL/gl.h>
#include <GL/glext.h>
#include <GL/glx.h>
inline void* wglGetProcAddress(const char* x)
{
return (void*)glXGetProcAddress((const GLubyte*)x);
}
#endif
#include <Cg/cg.h>
#include <Cg/cgGL.h>
#include <cstring>
#include "zerogsmath.h"
#include "ZeroGSShaders/zerogsshaders.h"
extern u32 s_stencilfunc, s_stencilref, s_stencilmask;
// Defines
#ifndef GL_DEPTH24_STENCIL8_EXT // allows FBOs to support stencils
# define GL_DEPTH_STENCIL_EXT 0x84F9
# define GL_UNSIGNED_INT_24_8_EXT 0x84FA
# define GL_DEPTH24_STENCIL8_EXT 0x88F0
# define GL_TEXTURE_STENCIL_SIZE_EXT 0x88F1
#endif
#define GL_STENCILFUNC(func, ref, mask) { \
s_stencilfunc = func; \
s_stencilref = ref; \
s_stencilmask = mask; \
glStencilFunc(func, ref, mask); \
}
#define GL_STENCILFUNC_SET() glStencilFunc(s_stencilfunc, s_stencilref, s_stencilmask)
// sets the data stream
#define SET_STREAM() { \
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(VertexGPU), (void*)8); \
glSecondaryColorPointerEXT(4, GL_UNSIGNED_BYTE, sizeof(VertexGPU), (void*)12); \
glTexCoordPointer(3, GL_FLOAT, sizeof(VertexGPU), (void*)16); \
glVertexPointer(4, GL_SHORT, sizeof(VertexGPU), (void*)0); \
}
// global alpha blending settings
extern GLenum g_internalFloatFmt;
extern GLenum g_internalRGBAFloatFmt;
extern GLenum g_internalRGBAFloat16Fmt;
extern CGprogram g_vsprog, g_psprog;
extern CGparameter g_vparamPosXY[2], g_fparamFogColor;
extern const char* ShaderCallerName;
extern const char* ShaderHandleName;
extern const GLenum primtype[8];
inline void SetShaderCaller(const char* Name)
{
ShaderCallerName = Name;
}
inline void SetHandleName(const char* Name)
{
ShaderHandleName = Name;
}
extern void HandleCgError(CGcontext ctx, CGerror err, void* appdata);
extern void ZZcgSetParameter4fv(CGparameter param, const float* v, const char* name);
#define SETVERTEXSHADER(prog) { \
if( (prog) != g_vsprog ) { \
cgGLBindProgram(prog); \
g_vsprog = prog; \
} \
} \
#define SETPIXELSHADER(prog) { \
if( (prog) != g_psprog ) { \
cgGLBindProgram(prog); \
g_psprog = prog; \
} \
} \
#define SAFE_RELEASE_PROG(x) { if( (x) != NULL ) { cgDestroyProgram(x); x = NULL; } }
#define SAFE_RELEASE_TEX(x) { if( (x) != 0 ) { glDeleteTextures(1, &(x)); x = 0; } }
// inline for an extremely often used sequence
// This is turning off all gl functions. Safe to do updates.
inline void DisableAllgl()
{
glDisable(GL_SCISSOR_TEST);
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
glDisable(GL_DEPTH_TEST);
glDepthMask(0);
glDisable(GL_STENCIL_TEST);
glColorMask(1, 1, 1, 1);
}
//--------------------- Dummies
#ifdef _WIN32
extern void (__stdcall *zgsBlendEquationSeparateEXT)(GLenum, GLenum);
extern void (__stdcall *zgsBlendFuncSeparateEXT)(GLenum, GLenum, GLenum, GLenum);
#else
extern void (APIENTRY *zgsBlendEquationSeparateEXT)(GLenum, GLenum);
extern void (APIENTRY *zgsBlendFuncSeparateEXT)(GLenum, GLenum, GLenum, GLenum);
#endif
// ------------------------ Types -------------------------
struct FRAGMENTSHADER
{
FRAGMENTSHADER() : prog(0), sMemory(0), sFinal(0), sBitwiseANDX(0), sBitwiseANDY(0), sInterlace(0), sCLUT(0), sOneColor(0), sBitBltZ(0),
fTexAlpha2(0), fTexOffset(0), fTexDims(0), fTexBlock(0), fClampExts(0), fTexWrapMode(0),
fRealTexDims(0), fTestBlack(0), fPageOffset(0), fTexAlpha(0) {}
CGprogram prog;
CGparameter sMemory, sFinal, sBitwiseANDX, sBitwiseANDY, sInterlace, sCLUT;
CGparameter sOneColor, sBitBltZ, sInvTexDims;
CGparameter fTexAlpha2, fTexOffset, fTexDims, fTexBlock, fClampExts, fTexWrapMode, fRealTexDims, fTestBlack, fPageOffset, fTexAlpha;
void set_uniform_param(CGparameter &var, const char *name)
{
CGparameter p;
p = cgGetNamedParameter(prog, name);
if (p != NULL && cgIsParameterUsed(p, prog) == CG_TRUE) var = p;
}
bool set_texture(GLuint texobj, const char *name)
{
CGparameter p;
p = cgGetNamedParameter(prog, name);
if (p != NULL && cgIsParameterUsed(p, prog) == CG_TRUE)
{
cgGLSetTextureParameter(p, texobj);
cgGLEnableTextureParameter(p);
return true;
}
return false;
}
bool connect(CGparameter &tex, const char *name)
{
CGparameter p;
p = cgGetNamedParameter(prog, name);
if (p != NULL && cgIsParameterUsed(p, prog) == CG_TRUE)
{
cgConnectParameter(tex, p);
return true;
}
return false;
}
bool set_texture(CGparameter &tex, const char *name)
{
CGparameter p;
p = cgGetNamedParameter(prog, name);
if (p != NULL && cgIsParameterUsed(p, prog) == CG_TRUE)
{
//cgGLEnableTextureParameter(p);
tex = p;
return true;
}
return false;
}
bool set_shader_const(Vector v, const char *name)
{
CGparameter p;
p = cgGetNamedParameter(prog, name);
if (p != NULL && cgIsParameterUsed(p, prog) == CG_TRUE)
{
cgGLSetParameter4fv(p, v);
return true;
}
return false;
}
};
/////////////////////
// graphics resources
extern map<string, GLbyte> mapGLExtensions;
//extern map<int, SHADERHEADER*> mapShaderResources;
struct VERTEXSHADER
{
VERTEXSHADER() : prog(0), sBitBltPos(0), sBitBltTex(0) {}
CGprogram prog;
CGparameter sBitBltPos, sBitBltTex, fBitBltTrans; // vertex shader constants
};
extern CGprofile cgvProf, cgfProf;
extern CGprogram pvs[16];
extern FRAGMENTSHADER ppsRegular[4], ppsTexture[NUM_SHADERS];
extern FRAGMENTSHADER ppsCRTC[2], ppsCRTC24[2], ppsCRTCTarg[2];
extern GLenum s_srcrgb, s_dstrgb, s_srcalpha, s_dstalpha; // set by zgsBlendFuncSeparateEXT
// GL prototypes
extern PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT;
extern PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
extern PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
extern PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
extern PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT;
extern PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT;
extern PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
extern PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
extern PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT;
extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
extern PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT;
extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT;
extern PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT;
extern PFNGLDRAWBUFFERSPROC glDrawBuffers;
#endif // ZZGL_H_INCLUDED