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qgl_api.c
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qgl_api.c
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/*
Copyright (C) 1997-2001 Id Software, Inc.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "common.h"
#include "vid_public.h"
#include "qgl_local.h"
#include "qgl_api.h"
// ==========================================================
#define QGL(x) qgl##x##_t qgl##x
QGL_core_IMP
QGL_ARB_fragment_program_IMP
QGL_ARB_multitexture_IMP
QGL_ARB_vertex_buffer_object_IMP
QGL_EXT_compiled_vertex_array_IMP
#undef QGL
// ==========================================================
#ifdef _DEBUG
static FILE *log_fp;
#define QGL(x) static qgl##x##_t dll##x
QGL_core_IMP
QGL_ARB_fragment_program_IMP
QGL_ARB_multitexture_IMP
QGL_ARB_vertex_buffer_object_IMP
QGL_EXT_compiled_vertex_array_IMP
#undef QGL
#define SIG(x) fprintf(log_fp, "%s\n", x)
#define SIGf(...) fprintf(log_fp, __VA_ARGS__)
static void APIENTRY logAlphaFunc(GLenum func, GLclampf ref)
{
SIGf("%s( %#x, %f )\n", "glAlphaFunc", func, ref);
dllAlphaFunc(func, ref);
}
static void APIENTRY logBindTexture(GLenum target, GLuint texture)
{
SIGf("%s( %#x, %u )\n", "glBindTexture", target, texture);
dllBindTexture(target, texture);
}
static void APIENTRY logBlendFunc(GLenum sfactor, GLenum dfactor)
{
SIGf("%s( %#x, %#x )\n", "glBlendFunc", sfactor, dfactor);
dllBlendFunc(sfactor, dfactor);
}
static void APIENTRY logClear(GLbitfield mask)
{
SIGf("%s( %#x )\n", "glClear", mask);
dllClear(mask);
}
static void APIENTRY logClearColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha)
{
SIG("glClearColor");
dllClearColor(red, green, blue, alpha);
}
static void APIENTRY logClearDepth(GLclampd depth)
{
SIG("glClearDepth");
dllClearDepth(depth);
}
static void APIENTRY logClearStencil(GLint s)
{
SIG("glClearStencil");
dllClearStencil(s);
}
static void APIENTRY logColor4f(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
{
SIGf("%s( %f, %f, %f, %f )\n", "glColor4f", red, green, blue, alpha);
dllColor4f(red, green, blue, alpha);
}
static void APIENTRY logColor4fv(const GLfloat *v)
{
SIGf("%s( %f, %f, %f, %f )\n", "glColor4fv", v[0], v[1], v[2], v[3]);
dllColor4fv(v);
}
static void APIENTRY logColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha)
{
SIG("glColorMask");
dllColorMask(red, green, blue, alpha);
}
static void APIENTRY logColorPointer(GLint size, GLenum type, GLsizei stride, const void *pointer)
{
SIG("glColorPointer");
dllColorPointer(size, type, stride, pointer);
}
static void APIENTRY logCopyTexImage2D(GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border)
{
SIG("glCopyTexImage2D");
dllCopyTexImage2D(target, level, internalFormat, x, y, width, height, border);
}
static void APIENTRY logCopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height)
{
SIG("glCopyTexSubImage2D");
dllCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
}
static void APIENTRY logCullFace(GLenum mode)
{
SIG("glCullFace");
dllCullFace(mode);
}
static void APIENTRY logDeleteTextures(GLsizei n, const GLuint *textures)
{
SIG("glDeleteTextures");
dllDeleteTextures(n, textures);
}
static void APIENTRY logDepthFunc(GLenum func)
{
SIG("glDepthFunc");
dllDepthFunc(func);
}
static void APIENTRY logDepthMask(GLboolean flag)
{
SIG("glDepthMask");
dllDepthMask(flag);
}
static void APIENTRY logDepthRange(GLclampd zNear, GLclampd zFar)
{
SIG("glDepthRange");
dllDepthRange(zNear, zFar);
}
static void APIENTRY logDisable(GLenum cap)
{
SIGf("%s( %#x )\n", "glDisable", cap);
dllDisable(cap);
}
static void APIENTRY logDisableClientState(GLenum array)
{
SIGf("%s( %#x )\n", "glDisableClientState", array);
dllDisableClientState(array);
}
static void APIENTRY logDrawArrays(GLenum mode, GLint first, GLsizei count)
{
SIGf("%s( %#x, %u, %u )\n", "glDrawArrays", mode, first, count);
dllDrawArrays(mode, first, count);
}
static void APIENTRY logDrawElements(GLenum mode, GLsizei count, GLenum type, const void *indices)
{
SIGf("%s( %#x, %u, %#x, %p )\n", "glDrawElements", mode, count, type, indices);
dllDrawElements(mode, count, type, indices);
}
static void APIENTRY logEnable(GLenum cap)
{
SIGf("%s( %#x )\n", "glEnable", cap);
dllEnable(cap);
}
static void APIENTRY logEnableClientState(GLenum array)
{
SIGf("%s( %#x )\n", "glEnableClientState", array);
dllEnableClientState(array);
}
static void APIENTRY logFinish(void)
{
SIG("glFinish");
dllFinish();
}
static void APIENTRY logFlush(void)
{
SIG("glFlush");
dllFlush();
}
static void APIENTRY logFogf(GLenum pname, GLfloat param)
{
SIG("glFogf");
dllFogf(pname, param);
}
static void APIENTRY logFogfv(GLenum pname, const GLfloat *params)
{
SIG("glFogfv");
dllFogfv(pname, params);
}
static void APIENTRY logFrontFace(GLenum mode)
{
SIG("glFrontFace");
dllFrontFace(mode);
}
static void APIENTRY logFrustum(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble zNear, GLdouble zFar)
{
SIG("glFrustum");
dllFrustum(left, right, bottom, top, zNear, zFar);
}
static void APIENTRY logGenTextures(GLsizei n, GLuint *textures)
{
SIG("glGenTextures");
dllGenTextures(n, textures);
}
static GLenum APIENTRY logGetError(void)
{
SIG("glGetError");
return dllGetError();
}
static void APIENTRY logGetFloatv(GLenum pname, GLfloat *params)
{
SIG("glGetFloatv");
dllGetFloatv(pname, params);
}
static void APIENTRY logGetIntegerv(GLenum pname, GLint *params)
{
SIG("glGetIntegerv");
dllGetIntegerv(pname, params);
}
static const GLubyte * APIENTRY logGetString(GLenum name)
{
SIG("glGetString");
return dllGetString(name);
}
static void APIENTRY logHint(GLenum target, GLenum mode)
{
SIGf("%s( %#x, %#x )\n", "glHint", target, mode);
dllHint(target, mode);
}
static GLboolean APIENTRY logIsEnabled(GLenum cap)
{
SIG("glIsEnabled");
return dllIsEnabled(cap);
}
static GLboolean APIENTRY logIsTexture(GLuint texture)
{
SIG("glIsTexture");
return dllIsTexture(texture);
}
static void APIENTRY logLightModelf(GLenum pname, GLfloat param)
{
SIG("glLightModelf");
dllLightModelf(pname, param);
}
static void APIENTRY logLightModelfv(GLenum pname, const GLfloat *params)
{
SIG("glLightModelfv");
dllLightModelfv(pname, params);
}
static void APIENTRY logLightf(GLenum light, GLenum pname, GLfloat param)
{
SIG("glLightf");
dllLightf(light, pname, param);
}
static void APIENTRY logLightfv(GLenum light, GLenum pname, const GLfloat *params)
{
SIG("glLightfv");
dllLightfv(light, pname, params);
}
static void APIENTRY logLineWidth(GLfloat width)
{
SIG("glLineWidth");
dllLineWidth(width);
}
static void APIENTRY logLoadIdentity(void)
{
SIG("glLoadIdentity");
dllLoadIdentity();
}
static void APIENTRY logLoadMatrixf(const GLfloat *m)
{
SIG("glLoadMatrixf");
dllLoadMatrixf(m);
}
static void APIENTRY logLogicOp(GLenum opcode)
{
SIG("glLogicOp");
dllLogicOp(opcode);
}
static void APIENTRY logMaterialf(GLenum face, GLenum pname, GLfloat param)
{
SIG("glMaterialf");
dllMaterialf(face, pname, param);
}
static void APIENTRY logMaterialfv(GLenum face, GLenum pname, const GLfloat *params)
{
SIG("glMaterialfv");
dllMaterialfv(face, pname, params);
}
static void APIENTRY logMatrixMode(GLenum mode)
{
SIG("glMatrixMode");
dllMatrixMode(mode);
}
static void APIENTRY logMultMatrixf(const GLfloat *m)
{
SIG("glMultMatrixf");
dllMultMatrixf(m);
}
static void APIENTRY logNormal3f(GLfloat nx, GLfloat ny, GLfloat nz)
{
SIG("glNormal3f");
dllNormal3f(nx, ny, nz);
}
static void APIENTRY logNormal3fv(const GLfloat *v)
{
SIG("glNormal3fv");
dllNormal3fv(v);
}
static void APIENTRY logNormalPointer(GLenum type, GLsizei stride, const void *pointer)
{
SIG("glNormalPointer");
dllNormalPointer(type, stride, pointer);
}
static void APIENTRY logOrtho(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble zNear, GLdouble zFar)
{
SIG("glOrtho");
dllOrtho(left, right, bottom, top, zNear, zFar);
}
static void APIENTRY logPixelStorei(GLenum pname, GLint param)
{
SIG("glPixelStorei");
dllPixelStorei(pname, param);
}
static void APIENTRY logPointSize(GLfloat size)
{
SIG("glPointSize");
dllPointSize(size);
}
static void APIENTRY logPolygonMode(GLenum face, GLenum mode)
{
SIGf("%s( %#x, %#x )\n", "glPolygonMode", face, mode);
dllPolygonMode(face, mode);
}
static void APIENTRY logPolygonOffset(GLfloat factor, GLfloat units)
{
SIG("glPolygonOffset");
dllPolygonOffset(factor, units);
}
static void APIENTRY logPopMatrix(void)
{
SIG("glPopMatrix");
dllPopMatrix();
}
static void APIENTRY logPushMatrix(void)
{
SIG("glPushMatrix");
dllPushMatrix();
}
static void APIENTRY logReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void *pixels)
{
SIG("glReadPixels");
dllReadPixels(x, y, width, height, format, type, pixels);
}
static void APIENTRY logRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z)
{
SIG("glRotatef");
dllRotatef(angle, x, y, z);
}
static void APIENTRY logScalef(GLfloat x, GLfloat y, GLfloat z)
{
SIG("glScalef");
dllScalef(x, y, z);
}
static void APIENTRY logScissor(GLint x, GLint y, GLsizei width, GLsizei height)
{
SIG("glScissor");
dllScissor(x, y, width, height);
}
static void APIENTRY logShadeModel(GLenum mode)
{
SIG("glShadeModel");
dllShadeModel(mode);
}
static void APIENTRY logStencilFunc(GLenum func, GLint ref, GLuint mask)
{
SIG("glStencilFunc");
dllStencilFunc(func, ref, mask);
}
static void APIENTRY logStencilMask(GLuint mask)
{
SIG("glStencilMask");
dllStencilMask(mask);
}
static void APIENTRY logStencilOp(GLenum fail, GLenum zfail, GLenum zpass)
{
SIG("glStencilOp");
dllStencilOp(fail, zfail, zpass);
}
static void APIENTRY logTexCoordPointer(GLint size, GLenum type, GLsizei stride, const void *pointer)
{
SIG("glTexCoordPointer");
dllTexCoordPointer(size, type, stride, pointer);
}
static void APIENTRY logTexEnvf(GLenum target, GLenum pname, GLfloat param)
{
SIGf("%s( %#x, %#x, %f )\n", "glTexEnvf", target, pname, param);
dllTexEnvf(target, pname, param);
}
static void APIENTRY logTexEnvfv(GLenum target, GLenum pname, const GLfloat *params)
{
SIG("glTexEnvfv");
dllTexEnvfv(target, pname, params);
}
static void APIENTRY logTexImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels)
{
SIG("glTexImage2D");
dllTexImage2D(target, level, internalformat, width, height, border, format, type, pixels);
}
static void APIENTRY logTexParameterf(GLenum target, GLenum pname, GLfloat param)
{
SIGf("%s( %#x, %#x, %f )\n", "glTexParameterf", target, pname, param);
dllTexParameterf(target, pname, param);
}
static void APIENTRY logTexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
{
SIG("glTexParameterfv");
dllTexParameterfv(target, pname, params);
}
static void APIENTRY logTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *pixels)
{
SIG("glTexSubImage2D");
dllTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
}
static void APIENTRY logTranslatef(GLfloat x, GLfloat y, GLfloat z)
{
SIG("glTranslatef");
dllTranslatef(x, y, z);
}
static void APIENTRY logVertexPointer(GLint size, GLenum type, GLsizei stride, const void *pointer)
{
SIG("glVertexPointer");
dllVertexPointer(size, type, stride, pointer);
}
static void APIENTRY logViewport(GLint x, GLint y, GLsizei width, GLsizei height)
{
SIG("glViewport");
dllViewport(x, y, width, height);
}
static void APIENTRY logActiveTextureARB(GLenum texture)
{
SIGf("%s( GL_TEXTURE%d )\n", "glActiveTextureARB", texture - GL_TEXTURE0);
dllActiveTextureARB(texture);
}
static void APIENTRY logClientActiveTextureARB(GLenum texture)
{
SIGf("%s( GL_TEXTURE%d )\n", "glClientActiveTextureARB", texture - GL_TEXTURE0);
dllClientActiveTextureARB(texture);
}
static void APIENTRY logLockArraysEXT(GLint first, GLsizei count)
{
SIGf("%s( %u, %u )\n", "glLockArraysEXT", first, count);
dllLockArraysEXT(first, count);
}
static void APIENTRY logUnlockArraysEXT(void)
{
SIG("glUnlockArraysEXT");
dllUnlockArraysEXT();
}
#endif // _DEBUG
// ==========================================================
void QGL_Shutdown(void)
{
#ifdef _DEBUG
#define QGL(x) qgl##x = dll##x = NULL
#else
#define QGL(x) qgl##x = NULL
#endif
QGL_core_IMP
QGL_ARB_fragment_program_IMP
QGL_ARB_multitexture_IMP
QGL_ARB_vertex_buffer_object_IMP
QGL_EXT_compiled_vertex_array_IMP
}
void QGL_ShutdownExtensions(unsigned mask)
{
if (mask & QGL_ARB_fragment_program) {
QGL_ARB_fragment_program_IMP
}
if (mask & QGL_ARB_multitexture) {
QGL_ARB_multitexture_IMP
}
if (mask & QGL_ARB_vertex_buffer_object) {
QGL_ARB_vertex_buffer_object_IMP
}
if (mask & QGL_EXT_compiled_vertex_array) {
QGL_EXT_compiled_vertex_array_IMP
}
#undef QGL
}
#define GCA(x) VID_GetCoreAddr("gl"#x)
#define GPA(x) VID_GetProcAddr("gl"#x)
void QGL_Init(void)
{
#ifdef _DEBUG
#define QGL(x) qgl##x = dll##x = GCA(x)
#else
#define QGL(x) qgl##x = GCA(x)
#endif
QGL_core_IMP
#undef QGL
}
void QGL_InitExtensions(unsigned mask)
{
#ifdef _DEBUG
#define QGL(x) qgl##x = dll##x = GPA(x)
#else
#define QGL(x) qgl##x = GPA(x)
#endif
if (mask & QGL_ARB_fragment_program) {
QGL_ARB_fragment_program_IMP
}
if (mask & QGL_ARB_multitexture) {
QGL_ARB_multitexture_IMP
}
if (mask & QGL_ARB_vertex_buffer_object) {
QGL_ARB_vertex_buffer_object_IMP
}
if (mask & QGL_EXT_compiled_vertex_array) {
QGL_EXT_compiled_vertex_array_IMP
}
#undef QGL
}
unsigned QGL_ParseExtensionString(const char *s)
{
// must match defines in qgl_api.h!
static const char *const extnames[] = {
"GL_ARB_fragment_program",
"GL_ARB_multitexture",
"GL_ARB_vertex_buffer_object",
"GL_EXT_compiled_vertex_array",
"GL_EXT_texture_filter_anisotropic",
NULL
};
return Com_ParseExtensionString(s, extnames);
}
#ifdef _DEBUG
void QGL_EnableLogging(unsigned mask)
{
if (!log_fp) {
extern char fs_gamedir[];
struct tm *newtime;
time_t aclock;
char buffer[MAX_OSPATH];
size_t len;
time(&aclock);
len = Q_snprintf(buffer, sizeof(buffer), "%s/qgl.log", fs_gamedir);
if (len >= sizeof(buffer)) {
return;
}
log_fp = fopen(buffer, "w");
if (!log_fp) {
return;
}
newtime = localtime(&aclock);
fprintf(log_fp, "%s\n", asctime(newtime));
}
#define QGL(x) qgl##x = log##x
QGL_core_IMP
if (mask & QGL_ARB_fragment_program) {
}
if (mask & QGL_ARB_multitexture) {
QGL_ARB_multitexture_IMP
}
if (mask & QGL_ARB_vertex_buffer_object) {
}
if (mask & QGL_EXT_compiled_vertex_array) {
QGL_EXT_compiled_vertex_array_IMP
}
#undef QGL
}
void QGL_DisableLogging(unsigned mask)
{
if (log_fp) {
fclose(log_fp);
log_fp = NULL;
}
#define QGL(x) qgl##x = dll##x
QGL_core_IMP
if (mask & QGL_ARB_fragment_program) {
QGL_ARB_fragment_program_IMP
}
if (mask & QGL_ARB_multitexture) {
QGL_ARB_multitexture_IMP
}
if (mask & QGL_ARB_vertex_buffer_object) {
QGL_ARB_vertex_buffer_object_IMP
}
if (mask & QGL_EXT_compiled_vertex_array) {
QGL_EXT_compiled_vertex_array_IMP
}
#undef QGL
}
void QGL_LogComment(const char *fmt, ...)
{
va_list ap;
if (log_fp) {
va_start(ap, fmt);
vfprintf(log_fp, fmt, ap);
va_end(ap);
}
}
#endif // _DEBUG