From 8d8a2b7939502b86a22e0ec00eecbc2298dcfac0 Mon Sep 17 00:00:00 2001 From: Gernot Ziegler Date: Tue, 28 Oct 2003 18:54:20 +0000 Subject: welcome to glsink for 0.7.x :) Original commit message from CVS: welcome to glsink for 0.7.x :) --- sys/glsink/EXT_paletted_texture.h | 142 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 sys/glsink/EXT_paletted_texture.h (limited to 'sys/glsink/EXT_paletted_texture.h') diff --git a/sys/glsink/EXT_paletted_texture.h b/sys/glsink/EXT_paletted_texture.h new file mode 100644 index 00000000..37e9a9bf --- /dev/null +++ b/sys/glsink/EXT_paletted_texture.h @@ -0,0 +1,142 @@ +/************************************************************* + * * + * file : EXT_paletted_texture.h * + * author: Jens Schneider * + * date : 14.Mar.2001-10.Jul.2001 * + * e-mail: jens@glHint.de * + * * + * version 1.0ß * + * * + *************************************************************/ + +#ifndef __EXT_paletted_texture_H_ +#define __EXT_paletted_texture_H_ + +/* + * GLOBAL SWITCHES - enable/disable advanced features of this header + * + */ +#define EXT_PALETTED_TEXTURE_INITIALIZE 1 // enable generic init-routines +#ifndef _WIN32 +#define GL_GLEXT_PROTOTYPES 1 +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) +#define WIN32_LEAN_AND_MEAN 1 +#include +#endif + +#ifndef APIENTRY +#define APIENTRY +#endif + + +// Header file version number, required by OpenGL ABI for Linux +//#define GL_GLEXT_VERSION 7 + + +/* + * NEW TOKENS TO OPENGL 1.2.1 + * + */ +#ifndef GL_EXT_paletted_texture +#define GL_COLOR_INDEX1_EXT 0x80E2 +#define GL_COLOR_INDEX2_EXT 0x80E3 +#define GL_COLOR_INDEX4_EXT 0x80E4 +#define GL_COLOR_INDEX8_EXT 0x80E5 +#define GL_COLOR_INDEX12_EXT 0x80E6 +#define GL_COLOR_INDEX16_EXT 0x80E7 +#define GL_COLOR_TABLE_FORMAT_EXT 0x80D8 +#define GL_COLOR_TABLE_WIDTH_EXT 0x80D9 +#define GL_COLOR_TABLE_RED_SIZE_EXT 0x80DA +#define GL_COLOR_TABLE_GREEN_SIZE_EXT 0x80DB +#define GL_COLOR_TABLE_BLUE_SIZE_EXT 0x80DC +#define GL_COLOR_TABLE_ALPHA_SIZE_EXT 0x80DD +#define GL_COLOR_TABLE_LUMINANCE_SIZE_EXT 0x80DE +#define GL_COLOR_TABLE_INTENSITY_SIZE_EXT 0x80DF +#define GL_TEXTURE_INDEX_SIZE_EXT 0x80ED +#define GL_EXT_paletted_texture 1 +#endif + +#ifndef _WIN32 +#ifdef GL_GLEXT_PROTOTYPES +extern void APIENTRY glColorTableEXT (GLenum, GLenum, GLsizei, GLenum, GLenum, const GLvoid *); +extern void APIENTRY glColorSubTableEXT(GLenum, GLsizei, GLsizei, GLenum, GLenum, const GLvoid *); +extern void APIENTRY glGetColorTableEXT(GLenum, GLenum, GLenum, GLvoid *); +extern void APIENTRY glGetColorTableParameterivEXT(GLenum, GLenum, GLint *); +extern void APIENTRY glGetColorTableParameterfvEXT(GLenum, GLenum, GLfloat *); +#endif // GL_GLEXT_PROTOTYPES +#else // _WIN32 +typedef void (APIENTRY * PFNGLCOLORTABLEEXTPROC) (GLenum target, GLenum internalFormat, GLsizei width, GLenum format, GLenum type, const GLvoid *data); +typedef void (APIENTRY * PFNGLCOLORSUBTABLEEXTPROC)(GLenum target, GLsizei start, GLsizei count, GLenum format, GLenum type, const GLvoid *data); +typedef void (APIENTRY * PFNGLGETCOLORTABLEEXTPROC)(GLenum target, GLenum format, GLenum type, GLvoid *data); +typedef void (APIENTRY * PFNGLGETCOLORTABLEPARAMETERIVEXTPROC)(GLenum target, GLenum pname, GLint *params); +typedef void (APIENTRY * PFNGLGETCOLORTABLEPARAMETERFVEXTPROC)(GLenum target, GLenum pname, GLfloat *params); +#endif // not _WIN32 + +#ifdef EXT_PALETTED_TEXTURE_INITIALIZE +#include // string manipulation for runtime-check + +#ifdef _WIN32 +PFNGLCOLORTABLEEXTPROC glColorTableEXT = NULL; +PFNGLCOLORSUBTABLEEXTPROC glColorSubTableEXT = NULL; +PFNGLGETCOLORTABLEEXTPROC glGetColorTableEXT = NULL; +PFNGLGETCOLORTABLEPARAMETERIVEXTPROC glGetColorTableParameterivEXT = NULL; +PFNGLGETCOLORTABLEPARAMETERFVEXTPROC glGetColorTableParameterfvEXT = NULL; +#endif // _WIN32 + +int CheckForEXTPalettedTextureSupport(void) { + const char search[]="GL_EXT_paletted_texture"; + int i, pos=0; + int maxpos=strlen(search)-1; + char extensions[10000]; + strcpy(extensions,(const char *)glGetString(GL_EXTENSIONS)); + int len=strlen(extensions); + for (i=0; i1) && extensions[i-1]==' ')) { + pos=0; + while(extensions[i]!=' ') { + if (extensions[i]==search[pos]) pos++; + if ((pos>maxpos) && extensions[i+1]==' ') { + //printf(search); + //printf(" supported.\n"); + return 1; + } + i++; + } + } + } + //printf(search); + //printf(" not supported.\n"); + return 0; +} + +int GL_EXT_paletted_texture_Init(void) { + if (!CheckForEXTPalettedTextureSupport()) return 0; + +#ifdef _WIN32 + glColorTableEXT = (PFNGLCOLORTABLEEXTPROC) wglGetProcAddress("glColorTableEXT"); + if (glColorTableEXT==NULL) {fprintf(stderr,"glColorTableEXT not found.\n"); return 0;} + glColorSubTableEXT = (PFNGLCOLORSUBTABLEEXTPROC) wglGetProcAddress("glColorSubTableEXT"); + if (glColorSubTableEXT==NULL) {fprintf(stderr,"glColorSubTableEXT not found.\n"); return 0;} + glGetColorTableEXT = (PFNGLGETCOLORTABLEEXTPROC) wglGetProcAddress("glGetColorTableEXT"); + if (glGetColorTableEXT==NULL) {fprintf(stderr,"glGetColorTableEXT not found.\n"); return 0;} + glGetColorTableParameterivEXT = (PFNGLGETCOLORTABLEPARAMETERIVEXTPROC) wglGetProcAddress("glGetColorTableParameterivEXT"); + if (glGetColorTableParameterivEXT==NULL) {fprintf(stderr,"glGetColorTableParameterivEXT not found.\n"); return 0;} + glGetColorTableParameterfvEXT = (PFNGLGETCOLORTABLEPARAMETERFVEXTPROC) wglGetProcAddress("glGetColorTableParameterfvEXT"); + if (glGetColorTableParameterfvEXT==NULL) {fprintf(stderr,"glGetColorTableParameterfvEXT not found.\n"); return 0;} +#endif // _WIN32 + return 1; +} + +#endif // EXT_PALETTED_TEXTURE_INITIALIZE + +#ifdef __cplusplus +} +#endif + +#endif // not __EXT_PALETTED_TEXTURE_H_ -- cgit v1.2.1