RetroArch/gfx/video_texture.c
2015-09-05 20:03:27 +02:00

124 lines
3.6 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2015 - Daniel De Matteis
* Copyright (C) 2014-2015 - Jean-André Santoni
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <file/file_path.h>
#include "video_texture.h"
#include "video_pixel_converter.h"
#include "video_thread_wrapper.h"
#ifdef HAVE_OPENGL
#include "drivers/gl_common.h"
static void video_texture_png_load_gl(struct texture_image *ti,
enum texture_filter_type filter_type,
unsigned *id)
{
/* Generate the OpenGL texture object */
glGenTextures(1, (GLuint*)id);
gl_load_texture_data((GLuint)*id,
RARCH_WRAP_EDGE, filter_type,
4 /* TODO/FIXME - dehardcode */,
ti->width, ti->height, ti->pixels,
sizeof(uint32_t) /* TODO/FIXME - dehardcode */
);
}
#endif
static unsigned video_texture_png_load(void *data,
enum texture_backend_type type,
enum texture_filter_type filter_type)
{
unsigned id = 0;
if (!data)
return 0;
switch (type)
{
case TEXTURE_BACKEND_OPENGL:
#ifdef HAVE_OPENGL
video_texture_png_load_gl((struct texture_image*)data, filter_type, &id);
#endif
break;
case TEXTURE_BACKEND_DEFAULT:
default:
break;
}
return id;
}
static int video_texture_png_load_wrap(void *data)
{
return video_texture_png_load(data, TEXTURE_BACKEND_DEFAULT,
TEXTURE_FILTER_LINEAR);
}
static int video_texture_png_load_wrap_gl_mipmap(void *data)
{
return video_texture_png_load(data, TEXTURE_BACKEND_OPENGL,
TEXTURE_FILTER_MIPMAP_LINEAR);
}
static int video_texture_png_load_wrap_gl(void *data)
{
return video_texture_png_load(data, TEXTURE_BACKEND_OPENGL,
TEXTURE_FILTER_LINEAR);
}
unsigned video_texture_load(void *data,
enum texture_backend_type type,
enum texture_filter_type filter_type)
{
settings_t *settings = config_get_ptr();
const struct retro_hw_render_callback *hw_render =
(const struct retro_hw_render_callback*)video_driver_callback();
if (settings->video.threaded && !hw_render->context_type)
{
driver_t *driver = driver_get_ptr();
thread_video_t *thr = (thread_video_t*)driver->video_data;
thread_packet_t pkt = { CMD_CUSTOM_COMMAND };
if (!thr)
return 0;
switch (type)
{
case TEXTURE_BACKEND_OPENGL:
if (filter_type == TEXTURE_FILTER_MIPMAP_LINEAR ||
filter_type == TEXTURE_FILTER_MIPMAP_NEAREST)
pkt.data.custom_command.method = video_texture_png_load_wrap_gl_mipmap;
else
pkt.data.custom_command.method = video_texture_png_load_wrap_gl;
break;
case TEXTURE_BACKEND_DEFAULT:
default:
pkt.data.custom_command.method = video_texture_png_load_wrap;
break;
}
pkt.data.custom_command.data = (void*)data;
thr->send_and_wait(thr, &pkt);
return pkt.data.custom_command.return_value;
}
return video_texture_png_load(data, type, filter_type);
}