mirror of https://github.com/PCSX2/pcsx2.git
145 lines
4.6 KiB
C
145 lines
4.6 KiB
C
/* ZZ Open GL graphics plugin
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* Copyright (c)2009-2010 zeydlitz@gmail.com, arcum42@gmail.com
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* Based on Zerofrog's ZeroGS KOSMOS (c)2005-2008
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef ZZGL_H_INCLUDED
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#define ZZGL_H_INCLUDED
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#include "PS2Etypes.h"
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#include "PS2Edefs.h"
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// Need this before gl.h
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#ifdef _WIN32
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#include "Utilities/RedtapeWindows.h"
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#include <GL/gl.h>
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#include <GL/glext.h>
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#include "glprocs.h"
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#else
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// adding glew support instead of glXGetProcAddress (thanks to scaught)
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#include <GL/glew.h>
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#include <GL/gl.h>
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#include <GL/glext.h>
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#include <GL/glx.h>
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inline void* wglGetProcAddress(const char* x)
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{
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return (void*)glXGetProcAddress((const GLubyte*)x);
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}
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#endif
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// FIX compilation issue with Mesa 10
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// Note it might be possible to do better with the right include
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// in the rigth order but I don't have time
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#ifndef APIENTRY
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#define APIENTRY
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#endif
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#ifndef APIENTRYP
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#define APIENTRYP APIENTRY *
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#endif
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extern u32 s_stencilfunc, s_stencilref, s_stencilmask;
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// Defines
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#ifndef GL_DEPTH24_STENCIL8_EXT // allows FBOs to support stencils
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# define GL_DEPTH_STENCIL_EXT 0x84F9
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# define GL_UNSIGNED_INT_24_8_EXT 0x84FA
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# define GL_DEPTH24_STENCIL8_EXT 0x88F0
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# define GL_TEXTURE_STENCIL_SIZE_EXT 0x88F1
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#endif
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#define GL_STENCILFUNC(func, ref, mask) { \
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s_stencilfunc = func; \
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s_stencilref = ref; \
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s_stencilmask = mask; \
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glStencilFunc(func, ref, mask); \
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}
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#define GL_STENCILFUNC_SET() glStencilFunc(s_stencilfunc, s_stencilref, s_stencilmask)
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// sets the data stream
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#define SET_STREAM() { \
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glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(VertexGPU), (void*)8); \
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glSecondaryColorPointerEXT(4, GL_UNSIGNED_BYTE, sizeof(VertexGPU), (void*)12); \
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glTexCoordPointer(3, GL_FLOAT, sizeof(VertexGPU), (void*)16); \
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glVertexPointer(4, GL_SHORT, sizeof(VertexGPU), (void*)0); \
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}
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// global alpha blending settings
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extern GLenum g_internalRGBAFloat16Fmt;
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#define SAFE_RELEASE_TEX(x) { if( (x) != 0 ) { glDeleteTextures(1, &(x)); x = 0; } }
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// inline for an extremely often used sequence
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// This is turning off all gl functions. Safe to do updates.
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inline void DisableAllgl()
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{
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glDisable(GL_SCISSOR_TEST);
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glDisable(GL_BLEND);
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glDisable(GL_ALPHA_TEST);
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glDisable(GL_DEPTH_TEST);
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glDepthMask(0);
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glDisable(GL_STENCIL_TEST);
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glColorMask(1, 1, 1, 1);
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}
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//--------------------- Dummies
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#ifdef _WIN32
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extern void (__stdcall *zgsBlendEquationSeparateEXT)(GLenum, GLenum);
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extern void (__stdcall *zgsBlendFuncSeparateEXT)(GLenum, GLenum, GLenum, GLenum);
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#else
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extern void (APIENTRY *zgsBlendEquationSeparateEXT)(GLenum, GLenum);
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extern void (APIENTRY *zgsBlendFuncSeparateEXT)(GLenum, GLenum, GLenum, GLenum);
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#endif
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// ------------------------ Types -------------------------
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/////////////////////
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// graphics resources
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extern GLenum s_srcrgb, s_dstrgb, s_srcalpha, s_dstalpha; // set by zgsBlendFuncSeparateEXT
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// GL prototypes
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extern PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT;
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extern PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
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extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
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extern PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
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extern PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
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extern PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT;
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extern PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT;
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extern PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
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extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
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extern PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
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extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
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extern PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT;
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extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
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extern PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT;
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extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
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extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT;
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extern PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT;
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extern PFNGLDRAWBUFFERSPROC glDrawBuffers;
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#endif // ZZGL_H_INCLUDED
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