unsigned int GLTexture::_Load(unsigned char* data)
{
glGenTextures(1, &glTex);
glBindTexture(GL_TEXTURE_2D, glTex);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
if(!data)
glTexImage2D(GetGLType(), 0, 4, width, height, 0, GetGLFormat(), GL_UNSIGNED_BYTE, data);
else
gluBuild2DMipmaps(GetGLType(), 4, width, height, GetGLFormat(), GL_UNSIGNED_BYTE, data);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
return true;
}
int main(int argc, char** argv)
{
FILE *f = fopen("dgl.h", "w");
int i = 0;
SC_Open("GL.H");
while(SC_ReadTokens())
{
SC_Find(false);
if(!stricmp(sc_parser.token, "WINGDIAPI"))
{
GetGLType(&gldata[i].header);
SC_Find(false);
if(!stricmp(sc_parser.token, "APIENTRY"))
{
SC_Find(false);
if(sc_parser.token[0] == 'g' && sc_parser.token[1] == 'l')
{
int j = 0;
strcpy(gldata[i].name, sc_parser.token);
while(!strrchr(sc_parser.token, ';'))
{
if(GetGLType(&gldata[i].args[j]))
GetGLArg(&gldata[i].args[j]);
j++;
}
i++;
}
}
}
}
fprintf(f, "//\n// Generated by dglmake\n//\n");
fprintf(f, "#ifndef USE_DEBUG_GLFUNCS\n\n");
SlapGLStuffToFile(f, i, false);
fprintf(f, "\n#endif // USE_DEBUG_GLFUNCS\n\n");
SC_Close();
SlapGLExtensionsToFile(f, "GL_ARB_multitexture");
SlapGLExtensionsToFile(f, "GL_EXT_compiled_vertex_array");
SlapGLExtensionsToFile(f, "GL_EXT_multi_draw_arrays");
SlapGLExtensionsToFile(f, "GL_EXT_fog_coord");
SlapGLExtensionsToFile(f, "GL_ARB_vertex_buffer_object");
SlapGLExtensionsToFile(f, "GL_ARB_texture_non_power_of_two");
SlapGLExtensionsToFile(f, "GL_ARB_texture_env_combine");
SlapGLExtensionsToFile(f, "GL_EXT_texture_env_combine");
SlapGLExtensionsToFile(f, "GL_EXT_texture_filter_anisotropic");
SlapGLExtensionsToFile(f, "GL_ARB_shader_objects");
SlapGLExtensionsToFile(f, "GL_ARB_framebuffer_object");
SlapGLExtensionsToFile(f, "GL_ARB_occlusion_query");
SlapGLExtensionsToFile(f, "GL_EXT_texture_array");
fclose(f);
return 1;
}
void SlapGLExtensionsToFile(FILE* f, char* arbstring)
{
int i = 0;
int a = 0;
int j;
SC_Open("SDL_opengl.h");
fprintf(f, "//\n// %s\n//\n", arbstring);
while(SC_ReadTokens())
{
SC_Find(false);
if(!strcmp(sc_parser.token, arbstring))
{
SC_Find(false);
if(strcmp(sc_parser.token, "1"))
continue;
while(SC_ReadTokens())
{
SC_Find(false);
if(!strcmp(sc_parser.token, "#endif"))
{
int count;
count = i;
i = 0;
while(i < count)
{
SC_Find(false);
if(!strcmp(sc_parser.token, "(APIENTRYP"))
{
int j = 0;
int len;
SC_Find(false);
strcpy(gldata[i].extname, sc_parser.token);
len = strlen(gldata[i].extname);
gldata[i].extname[len - 1] = 0;
while(!strrchr(sc_parser.token, ';'))
{
if(GetGLType(&gldata[i].args[j]))
GetGLArg(&gldata[i].args[j]);
j++;
}
i++;
}
}
break;
}
else
{
if(!strcmp(sc_parser.token, "GLAPI"))
{
GetGLType(&gldata[i].header);
SC_Find(false);
SC_Find(false);
if(sc_parser.token[0] == 'g' && sc_parser.token[1] == 'l')
{
strcpy(gldata[i].name, sc_parser.token);
i++;
}
}
}
}
}
}
fprintf(f, "extern bool has_%s;\n", arbstring);
if(i > 0)
fprintf(f, "\n");
if(i > 0)
fprintf(f, "#ifndef __IPHONEOS__\n");
for(j = 0; j < i; j++)
{
fprintf(f, "typedef %s ", ReturnGLType(&gldata[j].header));
if(gldata[j].header.pointer)
fprintf(f, "*");
fprintf(f, "(APIENTRYP %s) (", gldata[j].extname);
a = 0;
if(gldata[j].args[a].name[0] == 0)
fprintf(f, "void");
else
{
while(gldata[j].args[a].name[0] != 0)
{
if(a > 0)
fprintf(f, ", ");
if(gldata[j].args[a].isconst)
fprintf(f, "const ");
fprintf(f, "%s", ReturnGLType(&gldata[j].args[a]));
if(gldata[j].args[a].pointer)
fprintf(f, "*");
fprintf(f, " %s", gldata[j].args[a++].name);
}
}
fprintf(f, ");\n");
}
if(i > 0)
fprintf(f, "#endif // __IPHONEOS__\n");
if(i > 0)
fprintf(f, "\n");
if(i > 0)
fprintf(f, "#ifndef __IPHONEOS__\n");
for(j = 0; j < i; j++)
{
fprintf(f, "extern %s _%s;\n", gldata[j].extname, gldata[j].name);
}
if(i > 0)
fprintf(f, "#endif // __IPHONEOS__\n");
fprintf(f, "\n");
fprintf(f, "#ifndef __IPHONEOS__\n");
fprintf(f, "#define %s_Define() \\\n", arbstring);
fprintf(f, "bool has_%s = false;", arbstring);
if(i > 0)
fprintf(f, " \\\n");
else
fprintf(f, "\n");
for(j = 0; j < i; j++)
{
fprintf(f, "%s _%s = NULL", gldata[j].extname, gldata[j].name);
if(j < (i - 1))
fprintf(f, "; \\\n");
else
fprintf(f, "\n");
}
fprintf(f, "#else\n");
fprintf(f, "#define %s_Define() bool has_%s = false;\n", arbstring, arbstring);
fprintf(f, "#endif // __IPHONEOS__\n");
fprintf(f, "\n");
fprintf(f, "#ifndef __IPHONEOS__\n");
fprintf(f, "#define %s_Init() \\\n", arbstring);
fprintf(f, "has_%s = GL_CheckExtension(\"%s\");", arbstring, arbstring);
if(i > 0)
fprintf(f, " \\\n");
else
fprintf(f, "\n");
for(j = 0; j < i; j++)
{
fprintf(f, "_%s = (%s)GL_RegisterProc(\"%s\")", gldata[j].name, gldata[j].extname, gldata[j].name);
if(j < (i - 1))
fprintf(f, "; \\\n");
else
fprintf(f, "\n");
}
fprintf(f, "#else\n");
fprintf(f, "#define %s_Init() has_%s = true;\n", arbstring, arbstring);
fprintf(f, "#endif // __IPHONEOS__\n");
fprintf(f, "\n");
if(i > 0)
{
fprintf(f, "#ifndef USE_DEBUG_GLFUNCS\n\n");
SlapGLStuffToFile(f, i, true);
fprintf(f, "\n#endif // USE_DEBUG_GLFUNCS\n\n");
}
SC_Close();
}
int GetGLType(glinfo_t* info)
{
char *temp;
SC_Find(false);
if(!strcmp(sc_parser.token, "(void);"))
return 0;
if(strchr(sc_parser.token, '('))
temp = (sc_parser.token + 1);
else
temp = sc_parser.token;
if(!strcmp(temp, "const"))
{
info->isconst = true;
return GetGLType(info);
}
if(!strcmp(temp, "void"))
info->type = 0;
else if(!strcmp(temp, "GLenum"))
info->type = 1;
else if(!strcmp(temp, "GLboolean"))
info->type = 2;
else if(!strcmp(temp, "GLbitfield"))
info->type = 3;
else if(!strcmp(temp, "GLbyte"))
info->type = 4;
else if(!strcmp(temp, "GLshort"))
info->type = 5;
else if(!strcmp(temp, "GLint"))
info->type = 6;
else if(!strcmp(temp, "GLsizei"))
info->type = 7;
else if(!strcmp(temp, "GLubyte"))
info->type = 8;
else if(!strcmp(temp, "GLushort"))
info->type = 9;
else if(!strcmp(temp, "GLuint"))
info->type = 10;
else if(!strcmp(temp, "GLfloat"))
info->type = 11;
else if(!strcmp(temp, "GLclampf"))
info->type = 12;
else if(!strcmp(temp, "GLdouble"))
info->type = 13;
else if(!strcmp(temp, "GLclampd"))
info->type = 14;
else if(!strcmp(temp, "GLvoid"))
info->type = 15;
else if(!strcmp(temp, "GLintptrARB"))
info->type = 16;
else if(!strcmp(temp, "GLsizeiptrARB"))
info->type = 17;
else if(!strcmp(temp, "GLintptr"))
info->type = 18;
else if(!strcmp(temp, "GLsizeiptr"))
info->type = 19;
else if(!strcmp(temp, "GLhandleARB"))
info->type = 20;
else if(!strcmp(temp, "GLcharARB"))
info->type = 21;
return 1;
}
