mirror of
https://github.com/libretro/RetroArch.git
synced 2024-12-01 12:11:03 +00:00
129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
#ifndef SHADER_PARSE_H
|
|
#define SHADER_PARSE_H
|
|
|
|
#include "../boolean.h"
|
|
#include "../conf/config_file.h"
|
|
#include "state_tracker.h"
|
|
#include "../general.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define GFX_MAX_SHADERS 16
|
|
#define GFX_MAX_TEXTURES 8
|
|
#define GFX_MAX_VARIABLES 64
|
|
|
|
enum gfx_scale_type
|
|
{
|
|
RARCH_SCALE_INPUT = 0,
|
|
RARCH_SCALE_ABSOLUTE,
|
|
RARCH_SCALE_VIEWPORT
|
|
};
|
|
|
|
enum gfx_filter_type
|
|
{
|
|
RARCH_FILTER_UNSPEC = 0,
|
|
RARCH_FILTER_LINEAR,
|
|
RARCH_FILTER_NEAREST
|
|
};
|
|
|
|
enum gfx_wrap_type
|
|
{
|
|
RARCH_WRAP_BORDER = 0, // Kinda deprecated, but keep as default. Will be translated to EDGE in GLES.
|
|
RARCH_WRAP_DEFAULT = RARCH_WRAP_BORDER,
|
|
RARCH_WRAP_EDGE,
|
|
RARCH_WRAP_REPEAT,
|
|
RARCH_WRAP_MIRRORED_REPEAT
|
|
};
|
|
|
|
struct gfx_fbo_scale
|
|
{
|
|
enum gfx_scale_type type_x;
|
|
enum gfx_scale_type type_y;
|
|
float scale_x;
|
|
float scale_y;
|
|
unsigned abs_x;
|
|
unsigned abs_y;
|
|
bool fp_fbo;
|
|
bool valid;
|
|
};
|
|
|
|
struct gfx_shader_pass
|
|
{
|
|
struct
|
|
{
|
|
char cg[PATH_MAX];
|
|
struct
|
|
{
|
|
char *vertex; // Dynamically allocated. Must be free'd.
|
|
char *fragment; // Dynamically allocated. Must be free'd.
|
|
} xml;
|
|
} source;
|
|
|
|
struct gfx_fbo_scale fbo;
|
|
enum gfx_filter_type filter;
|
|
enum gfx_wrap_type wrap;
|
|
unsigned frame_count_mod;
|
|
};
|
|
|
|
struct gfx_shader_lut
|
|
{
|
|
char id[64];
|
|
char path[PATH_MAX];
|
|
enum gfx_filter_type filter;
|
|
enum gfx_wrap_type wrap;
|
|
};
|
|
|
|
// This is pretty big, shouldn't be put on the stack.
|
|
// Avoid lots of allocation for convenience.
|
|
struct gfx_shader
|
|
{
|
|
enum rarch_shader_type type;
|
|
|
|
bool modern; // Only used for XML shaders.
|
|
char prefix[64];
|
|
|
|
unsigned passes;
|
|
struct gfx_shader_pass pass[GFX_MAX_SHADERS];
|
|
|
|
unsigned luts;
|
|
struct gfx_shader_lut lut[GFX_MAX_TEXTURES];
|
|
|
|
unsigned variables;
|
|
struct state_tracker_uniform_info variable[GFX_MAX_VARIABLES];
|
|
char script_path[PATH_MAX];
|
|
char *script; // Dynamically allocated. Must be free'd. Only used by XML.
|
|
char script_class[512];
|
|
};
|
|
|
|
bool gfx_shader_read_conf_cgp(config_file_t *conf, struct gfx_shader *shader);
|
|
bool gfx_shader_read_xml(const char *path, struct gfx_shader *shader);
|
|
void gfx_shader_write_conf_cgp(config_file_t *conf, const struct gfx_shader *shader);
|
|
|
|
void gfx_shader_resolve_relative(struct gfx_shader *shader, const char *ref_path);
|
|
|
|
enum rarch_shader_type gfx_shader_parse_type(const char *path, enum rarch_shader_type fallback);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|