Xash3D FWGS engine.
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#include "r_local.h"
#include "../ref_gl/gl_export.h"
/*
========================
DebugCallback
For ARB_debug_output
========================
*/
static void APIENTRY GL_DebugOutput( GLuint source, GLuint type, GLuint id, GLuint severity, GLint length, const GLcharARB *message, GLvoid *userParam )
{
switch( type )
{
case GL_DEBUG_TYPE_ERROR_ARB:
gEngfuncs.Con_Printf( S_OPENGL_ERROR "%s\n", message );
break;
case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB:
gEngfuncs.Con_Printf( S_OPENGL_WARN "%s\n", message );
break;
case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB:
gEngfuncs.Con_Printf( S_OPENGL_WARN "%s\n", message );
break;
case GL_DEBUG_TYPE_PORTABILITY_ARB:
gEngfuncs.Con_Reportf( S_OPENGL_WARN "%s\n", message );
break;
case GL_DEBUG_TYPE_PERFORMANCE_ARB:
gEngfuncs.Con_Printf( S_OPENGL_NOTE "%s\n", message );
break;
case GL_DEBUG_TYPE_OTHER_ARB:
default:
gEngfuncs.Con_Printf( S_OPENGL_NOTE "%s\n", message );
break;
}
}
int tex;
#define LOAD(x) p##x = gEngfuncs.GL_GetProcAddress(#x)
void R_InitBlit()
{
LOAD(glBegin);
LOAD(glEnd);
LOAD(glTexCoord2f);
LOAD(glVertex2f);
LOAD(glEnable);
LOAD(glDisable);
LOAD(glTexImage2D);
LOAD(glOrtho);
LOAD(glMatrixMode);
LOAD(glLoadIdentity);
LOAD(glViewport);
LOAD(glBindTexture);
LOAD(glDebugMessageCallbackARB);
LOAD(glDebugMessageControlARB);
LOAD(glGetError);
LOAD(glGenTextures);
LOAD(glTexParameteri);
if( gpGlobals->developer )
{
gEngfuncs.Con_Reportf( "Installing GL_DebugOutput...\n");
pglDebugMessageCallbackARB( GL_DebugOutput, NULL );
// force everything to happen in the main thread instead of in a separate driver thread
pglEnable( GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB );
}
// enable all the low priority messages
pglDebugMessageControlARB( GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_LOW_ARB, 0, NULL, true );
pglGenTextures( 1, &tex );
}
void R_BlitScreen()
{
//memset( vid.buffer, 10, vid.width * vid.height );
pglBindTexture(GL_TEXTURE_2D, tex);
pglViewport( 0, 0, gpGlobals->width, gpGlobals->height );
pglMatrixMode( GL_PROJECTION );
pglLoadIdentity();
pglOrtho( 0, gpGlobals->width, gpGlobals->height, 0, -99999, 99999 );
pglMatrixMode( GL_MODELVIEW );
pglLoadIdentity();
pglEnable( GL_TEXTURE_2D );
pglBindTexture(GL_TEXTURE_2D, tex);
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
//gEngfuncs.Con_Printf("%d\n",pglGetError());
pglTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, vid.width, vid.height, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, vid.buffer );
//gEngfuncs.Con_Printf("%d\n",pglGetError());
pglBegin( GL_QUADS );
pglTexCoord2f( 0, 0 );
pglVertex2f( 0, 0 );
pglTexCoord2f( 1, 0 );
pglVertex2f( vid.width, 0 );
pglTexCoord2f( 1, 1 );
pglVertex2f( vid.width, vid.height );
pglTexCoord2f( 0, 1 );
pglVertex2f( 0, vid.height );
pglEnd();
pglDisable( GL_TEXTURE_2D );
gEngfuncs.GL_SwapBuffers();
}