mutter/clutter/cogl/gl/cogl.c

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/*
* Clutter COGL
*
* A basic GL/GLES Abstraction/Utility Layer
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2007 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "cogl.h"
#include <GL/gl.h>
CoglFuncPtr
cogl_get_proc_address (const gchar* name)
{
return NULL;
}
gboolean
cogl_check_extension (const gchar *name, const gchar *ext)
{
return FALSE;
}
void
cogl_paint_init (ClutterColor *color)
{
glClearColor (((float) color->red / 0xff * 1.0),
((float) color->green / 0xff * 1.0),
((float) color->blue / 0xff * 1.0),
0.0);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glDisable (GL_LIGHTING);
glDisable (GL_DEPTH_TEST);
}
/* FIXME: inline most of these */
void
cogl_push_matrix (void)
{
glPushMatrix();
}
void
cogl_pop_matrix (void)
{
glPopMatrix();
}
void
cogl_scaled (ClutterFixed x, ClutterFixed y)
{
glScaled (CLUTTER_FIXED_TO_DOUBLE (x),
CLUTTER_FIXED_TO_DOUBLE (y),
1.0);
}
void
cogl_translatex (ClutterFixed x, ClutterFixed y, ClutterFixed z)
{
glTranslated (CLUTTER_FIXED_TO_DOUBLE (x),
CLUTTER_FIXED_TO_DOUBLE (y),
CLUTTER_FIXED_TO_DOUBLE (z));
}
void
cogl_translate (gint x, gint y, gint z)
{
glTranslatef ((float)x, (float)y, (float)z);
}
void
cogl_rotatex (ClutterFixed angle, gint x, gint y, gint z)
{
glRotated (CLUTTER_FIXED_TO_DOUBLE (angle),
CLUTTER_FIXED_TO_DOUBLE (x),
CLUTTER_FIXED_TO_DOUBLE (y),
CLUTTER_FIXED_TO_DOUBLE (z));
}
void
cogl_rotate (gint angle, gint x, gint y, gint z)
{
glRotatef ((float)angle, (float)x, (float)y, (float)z);
}