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/*
* Copyright © 2004 David Reveman
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* David Reveman not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* David Reveman makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#ifdef HAVE_CONFIG_H
# include "../config.h"
#endif
#include "glitz_glxint.h"
static glitz_glx_drawable_t *
_glitz_glx_create_drawable (glitz_glx_screen_info_t *screen_info,
glitz_glx_context_t *context,
glitz_drawable_format_t *format,
GLXDrawable glx_drawable,
GLXPbuffer glx_pbuffer,
int width,
int height)
{
glitz_glx_drawable_t *drawable;
drawable = (glitz_glx_drawable_t *) malloc (sizeof (glitz_glx_drawable_t));
if (drawable == NULL)
return NULL;
drawable->screen_info = screen_info;
drawable->context = context;
drawable->drawable = glx_drawable;
drawable->pbuffer = glx_pbuffer;
drawable->width = width;
drawable->height = height;
_glitz_drawable_init (&drawable->base,
&screen_info->formats[format->id],
&context->backend,
width, height);
if (!context->initialized) {
glitz_glx_push_current (drawable, NULL, GLITZ_CONTEXT_CURRENT);
glitz_glx_pop_current (drawable);
}
if (width > context->backend.max_viewport_dims[0] ||
height > context->backend.max_viewport_dims[1]) {
free (drawable);
return NULL;
}
screen_info->drawables++;
return drawable;
}
glitz_bool_t
_glitz_glx_drawable_update_size (glitz_glx_drawable_t *drawable,
int width,
int height)
{
if (drawable->pbuffer)
{
glitz_glx_pbuffer_destroy (drawable->screen_info, drawable->pbuffer);
drawable->drawable = drawable->pbuffer =
glitz_glx_pbuffer_create (drawable->screen_info,
drawable->context->fbconfig,
(int) width, (int) height);
if (!drawable->pbuffer)
return 0;
}
drawable->width = width;
drawable->height = height;
return 1;
}
static glitz_drawable_t *
_glitz_glx_create_pbuffer_drawable (glitz_glx_screen_info_t *screen_info,
glitz_drawable_format_t *format,
unsigned int width,
unsigned int height)
{
glitz_glx_drawable_t *drawable;
glitz_glx_context_t *context;
GLXPbuffer pbuffer;
context = glitz_glx_context_get (screen_info, format);
if (!context)
return NULL;
pbuffer = glitz_glx_pbuffer_create (screen_info, context->fbconfig,
(int) width, (int) height);
if (!pbuffer)
return NULL;
drawable = _glitz_glx_create_drawable (screen_info, context, format,
pbuffer, pbuffer,
width, height);
if (!drawable) {
glitz_glx_pbuffer_destroy (screen_info, pbuffer);
return NULL;
}
return &drawable->base;
}
glitz_drawable_t *
glitz_glx_create_pbuffer (void *abstract_templ,
glitz_drawable_format_t *format,
unsigned int width,
unsigned int height)
{
glitz_glx_drawable_t *templ = (glitz_glx_drawable_t *) abstract_templ;
return _glitz_glx_create_pbuffer_drawable (templ->screen_info, format,
width, height);
}
glitz_drawable_t *
glitz_glx_create_drawable_for_window (Display *display,
int screen,
glitz_drawable_format_t *format,
Window window,
unsigned int width,
unsigned int height)
{
glitz_glx_drawable_t *drawable;
glitz_glx_screen_info_t *screen_info;
glitz_glx_context_t *context;
glitz_int_drawable_format_t *iformat;
screen_info = glitz_glx_screen_info_get (display, screen);
if (!screen_info)
return NULL;
if (format->id >= screen_info->n_formats)
return NULL;
iformat = &screen_info->formats[format->id];
if (!(iformat->types & GLITZ_DRAWABLE_TYPE_WINDOW_MASK))
return NULL;
context = glitz_glx_context_get (screen_info, format);
if (!context)
return NULL;
drawable = _glitz_glx_create_drawable (screen_info, context, format,
window, (GLXPbuffer) 0,
width, height);
if (!drawable)
return NULL;
return &drawable->base;
}
slim_hidden_def(glitz_glx_create_drawable_for_window);
glitz_drawable_t *
glitz_glx_create_pbuffer_drawable (Display *display,
int screen,
glitz_drawable_format_t *format,
unsigned int width,
unsigned int height)
{
glitz_glx_screen_info_t *screen_info;
glitz_int_drawable_format_t *iformat;
screen_info = glitz_glx_screen_info_get (display, screen);
if (!screen_info)
return NULL;
if (format->id >= screen_info->n_formats)
return NULL;
iformat = &screen_info->formats[format->id];
if (!(iformat->types & GLITZ_DRAWABLE_TYPE_PBUFFER_MASK))
return NULL;
return _glitz_glx_create_pbuffer_drawable (screen_info, format,
width, height);
}
slim_hidden_def(glitz_glx_create_pbuffer_drawable);
void
glitz_glx_destroy (void *abstract_drawable)
{
glitz_glx_drawable_t *drawable = (glitz_glx_drawable_t *)
abstract_drawable;
drawable->screen_info->drawables--;
if (drawable->screen_info->drawables == 0) {
/*
* Last drawable? We have to destroy all fragment programs as this may
* be our last chance to have a context current.
*/
glitz_glx_push_current (abstract_drawable, NULL,
GLITZ_CONTEXT_CURRENT);
glitz_program_map_fini (drawable->base.backend->gl,
&drawable->screen_info->program_map);
glitz_program_map_init (&drawable->screen_info->program_map);
glitz_glx_pop_current (abstract_drawable);
}
if (glXGetCurrentDrawable () == drawable->drawable)
glXMakeCurrent (drawable->screen_info->display_info->display,
None, NULL);
if (drawable->pbuffer)
glitz_glx_pbuffer_destroy (drawable->screen_info, drawable->pbuffer);
free (drawable);
}
glitz_bool_t
glitz_glx_swap_buffers (void *abstract_drawable)
{
glitz_glx_drawable_t *drawable = (glitz_glx_drawable_t *)
abstract_drawable;
glXSwapBuffers (drawable->screen_info->display_info->display,
drawable->drawable);
return 1;
}
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