mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-23 02:40:26 +01:00
24cb244d43
This was a _ton_ of changes, made 15 years ago, so there are probably some problems to work out still. Among others: Engine/Base/Stream.* was mostly abandoned and will need to be re-ported. Still, this is a pretty good start, and probably holds a world record for lines of changes or something. :)
129 lines
4.2 KiB
C
129 lines
4.2 KiB
C
/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
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#ifndef SE_INCL_OPENGL_H
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#define SE_INCL_OPENGL_H
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#ifdef PRAGMA_ONCE
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#pragma once
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#endif
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#include "gl_types.h"
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/* rcg10042001 wraped for platform. */
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#if (defined _MSC_VER)
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#define DLLFUNCTION(dll, output, name, inputs, params, required) \
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extern output (__stdcall *p##name) inputs
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#elif (defined PLATFORM_UNIX)
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#define DLLFUNCTION(dll, output, name, inputs, params, required) \
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extern output (*p##name) inputs
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#define __stdcall
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#else
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#error please define your platform here.
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#endif
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#include "gl_functions.h"
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#undef DLLFUNCTION
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// extensions
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extern void (__stdcall *pglLockArraysEXT)(GLint first, GLsizei count);
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extern void (__stdcall *pglUnlockArraysEXT)(void);
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extern GLboolean (__stdcall *pwglSwapIntervalEXT)(GLint interval);
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extern GLint (__stdcall *pwglGetSwapIntervalEXT)(void);
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extern void (__stdcall *pglActiveTextureARB)(GLenum texunit);
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extern void (__stdcall *pglClientActiveTextureARB)(GLenum texunit);
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#ifdef PLATFORM_WIN32 /* !!! FIXME: Move to abstraction layer. --rcg. */
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// t-buffer support
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extern char *(__stdcall *pwglGetExtensionsStringARB)(HDC hdc);
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extern BOOL (__stdcall *pwglChoosePixelFormatARB)(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
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extern BOOL (__stdcall *pwglGetPixelFormatAttribivARB)(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int *piAttributes, int *piValues);
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#endif
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extern void (__stdcall *pglTBufferMask3DFX)(GLuint mask);
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// GL_NV_vertex_array_range & GL_NV_fence
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#ifdef PLATFORM_WIN32 /* !!! FIXME: Move to abstraction layer. --rcg. */
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extern void *(__stdcall *pwglAllocateMemoryNV)(GLint size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
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extern void (__stdcall *pwglFreeMemoryNV)(void *pointer);
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#endif
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extern void (__stdcall *pglVertexArrayRangeNV)(GLsizei length, void *pointer);
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extern void (__stdcall *pglFlushVertexArrayRangeNV)(void);
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extern GLboolean (__stdcall *pglTestFenceNV)(GLuint fence);
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extern GLboolean (__stdcall *pglIsFenceNV)(GLuint fence);
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extern void (__stdcall *pglGenFencesNV)(GLsizei n, GLuint *fences);
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extern void (__stdcall *pglDeleteFencesNV)(GLsizei n, const GLuint *fences);
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extern void (__stdcall *pglSetFenceNV)(GLuint fence, GLenum condition);
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extern void (__stdcall *pglFinishFenceNV)(GLuint fence);
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extern void (__stdcall *pglGetFenceivNV)(GLuint fence, GLenum pname, GLint *params);
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// ATI GL_ATI[X]_pn_triangles
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extern void (__stdcall *pglPNTrianglesiATI)( GLenum pname, GLint param);
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extern void (__stdcall *pglPNTrianglesfATI)( GLenum pname, GLfloat param);
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// additional tools -----------------------------------------------------
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#include <Engine/Graphics/Color.h>
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#include <Engine/Graphics/Vertex.h>
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#include <Engine/Templates/StaticStackArray.cpp>
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// set color from croteam format
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inline void glCOLOR( COLOR col)
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{
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/* rcg10052001 Platform-wrappers. */
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#if (defined USE_PORTABLE_C)
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col = ( ((col << 24) ) |
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((col << 8) & 0x00FF0000) |
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((col >> 8) & 0x0000FF00) |
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((col >> 24) ) );
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#elif (defined __MSVC_INLINE__)
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__asm {
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mov eax,dword ptr [col]
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bswap eax
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mov dword ptr [col],eax
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}
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#elif (defined __GNU_INLINE__)
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__asm__ __volatile__ (
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"bswapl %%eax \n\t"
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: "=a" (col)
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: "a" (col)
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);
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#else
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#error please define for your platform.
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#endif
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pglColor4ubv((GLubyte*)&col);
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}
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// check windows errors always
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extern void WIN_CheckError(BOOL bRes, const char *strDescription);
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#define WIN_CHECKERROR(result, string) WIN_CheckError(result, string);
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extern BOOL glbUsingVARs; // vertex_array_range
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// common textures
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extern GLuint _uiFillTextureNo; // binding for flat fill emulator texture
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extern GLuint _uiFogTextureNo; // binding for fog texture
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extern GLuint _uiHazeTextureNo; // binding for haze texture
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extern GLuint _uiPatternTextureNo; // binding for pattern texture
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// internal!
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inline void pglActiveTexture(INDEX texunit)
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{
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ASSERT( texunit>=0 && texunit<4);
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ASSERT( pglActiveTextureARB!=NULL);
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ASSERT( pglClientActiveTextureARB!=NULL);
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pglActiveTextureARB( GLenum(GL_TEXTURE0_ARB+texunit));
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pglClientActiveTextureARB(GLenum(GL_TEXTURE0_ARB+texunit));
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}
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#endif /* include-once check. */
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