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RetroArch/gfx/video_texture_c.c

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/* 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 <formats/image.h>
#include "video_driver.h"
#include "video_texture.h"
#include "video_thread_wrapper.h"
#ifdef HAVE_OPENGL
#ifdef __cplusplus
extern "C" {
#endif
void gl_load_texture_data(GLuint id,
enum gfx_wrap_type wrap_type,
enum texture_filter_type filter_type,
unsigned alignment,
unsigned width, unsigned height,
const void *frame, unsigned base_size)
{
GLint mag_filter, min_filter;
bool want_mipmap = false;
bool use_rgba = video_driver_ctl(RARCH_DISPLAY_CTL_SUPPORTS_RGBA, NULL);
bool rgb32 = (base_size == (sizeof(uint32_t)));
GLenum wrap = gl_wrap_type_to_enum(wrap_type);
glBindTexture(GL_TEXTURE_2D, id);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap);
#if defined(HAVE_OPENGLES2) || defined(HAVE_PSGL) || defined(OSX_PPC)
if (filter_type == TEXTURE_FILTER_MIPMAP_LINEAR)
filter_type = TEXTURE_FILTER_LINEAR;
if (filter_type == TEXTURE_FILTER_MIPMAP_NEAREST)
filter_type = TEXTURE_FILTER_NEAREST;
#endif
switch (filter_type)
{
case TEXTURE_FILTER_MIPMAP_LINEAR:
min_filter = GL_LINEAR_MIPMAP_NEAREST;
mag_filter = GL_LINEAR;
want_mipmap = true;
break;
case TEXTURE_FILTER_MIPMAP_NEAREST:
min_filter = GL_NEAREST_MIPMAP_NEAREST;
mag_filter = GL_NEAREST;
want_mipmap = true;
break;
case TEXTURE_FILTER_NEAREST:
min_filter = GL_NEAREST;
mag_filter = GL_NEAREST;
break;
case TEXTURE_FILTER_LINEAR:
default:
min_filter = GL_LINEAR;
mag_filter = GL_LINEAR;
break;
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mag_filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter);
glPixelStorei(GL_UNPACK_ALIGNMENT, alignment);
glTexImage2D(GL_TEXTURE_2D,
0,
(use_rgba || !rgb32) ? GL_RGBA : RARCH_GL_INTERNAL_FORMAT32,
width, height, 0,
(use_rgba || !rgb32) ? GL_RGBA : RARCH_GL_TEXTURE_TYPE32,
(rgb32) ? RARCH_GL_FORMAT32 : GL_UNSIGNED_SHORT_4_4_4_4, frame);
if (want_mipmap)
glGenerateMipmap(GL_TEXTURE_2D);
}
void video_texture_png_load_gl(struct texture_image *ti,
enum texture_filter_type filter_type,
uintptr_t *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 */
);
}
#ifdef __cplusplus
}
#endif
#endif
#ifdef HAVE_D3D
#include "common/d3d_common.h"
static void video_texture_png_load_d3d(struct texture_image *ti,
enum texture_filter_type filter_type,
uintptr_t *id)
{
id = (uintptr_t*)d3d_texture_new(NULL, NULL,
ti->width, ti->height, 1,
0, D3DFMT_A8R8G8B8, D3DPOOL_MANAGED, 0, 0, 0,
NULL, NULL);
}
#endif
static unsigned video_texture_png_load(void *data,
enum texture_backend_type type,
enum texture_filter_type filter_type)
{
uintptr_t 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_DIRECT3D:
#ifdef HAVE_D3D
video_texture_png_load_d3d((struct texture_image*)data, filter_type, &id);
#endif
break;
case TEXTURE_BACKEND_DEFAULT:
default:
break;
}
return id;
}
#ifdef HAVE_THREADS
static int video_texture_png_load_wrap(void *data)
{
return video_texture_png_load(data, TEXTURE_BACKEND_DEFAULT,
TEXTURE_FILTER_LINEAR);
}
#endif
#ifdef HAVE_OPENGL
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);
}
#endif
#ifdef HAVE_D3D
static int video_texture_png_load_wrap_d3d_mipmap(void *data)
{
return video_texture_png_load(data, TEXTURE_BACKEND_DIRECT3D,
TEXTURE_FILTER_MIPMAP_LINEAR);
}
static int video_texture_png_load_wrap_d3d(void *data)
{
return video_texture_png_load(data, TEXTURE_BACKEND_DIRECT3D,
TEXTURE_FILTER_LINEAR);
}
#endif
#ifdef __cplusplus
extern "C" {
#endif
unsigned video_texture_load(void *data,
enum texture_backend_type type,
enum texture_filter_type filter_type)
{
#ifdef HAVE_THREADS
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)
{
custom_command_method_t func = video_texture_png_load_wrap;
switch (type)
{
case TEXTURE_BACKEND_OPENGL:
#ifdef HAVE_OPENGL
if (filter_type == TEXTURE_FILTER_MIPMAP_LINEAR ||
filter_type == TEXTURE_FILTER_MIPMAP_NEAREST)
func = video_texture_png_load_wrap_gl_mipmap;
else
func = video_texture_png_load_wrap_gl;
#endif
break;
case TEXTURE_BACKEND_DIRECT3D:
#ifdef HAVE_D3D
if (filter_type == TEXTURE_FILTER_MIPMAP_LINEAR ||
filter_type == TEXTURE_FILTER_MIPMAP_NEAREST)
func = video_texture_png_load_wrap_d3d_mipmap;
else
func = video_texture_png_load_wrap_d3d;
#endif
break;
case TEXTURE_BACKEND_DEFAULT:
default:
break;
}
return rarch_threaded_video_texture_load(data, func);
}
#endif
return video_texture_png_load(data, type, filter_type);
}
#ifdef __cplusplus
}
#endif
#ifdef HAVE_OPENGL
static void video_texture_gl_unload(uintptr_t *id)
{
if (id)
{
glDeleteTextures(1, (const GLuint*)id);
*id = 0;
}
}
#endif
void video_texture_unload(enum texture_backend_type type, uintptr_t *id)
{
switch (type)
{
case TEXTURE_BACKEND_OPENGL:
#ifdef HAVE_OPENGL
video_texture_gl_unload(id);
#endif
break;
case TEXTURE_BACKEND_DIRECT3D:
#ifdef HAVE_D3D
d3d_texture_free((LPDIRECT3DTEXTURE)id);
#endif
break;
case TEXTURE_BACKEND_DEFAULT:
break;
}
}
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