mirror of
https://github.com/CTCaer/RetroArch.git
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99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SHADER_PARSE_H
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#define SHADER_PARSE_H
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#include "boolean.h"
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#include "../conf/config_file.h"
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#include "state_tracker.h"
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#include "../general.h"
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#define GFX_MAX_SHADERS 16
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#define GFX_MAX_TEXTURES 8
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#define GFX_MAX_VARIABLES 64
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enum gfx_scale_type
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{
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RARCH_SCALE_INPUT = 0,
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RARCH_SCALE_ABSOLUTE,
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RARCH_SCALE_VIEWPORT
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};
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enum gfx_filter_type
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{
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RARCH_FILTER_UNSPEC = 0,
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RARCH_FILTER_LINEAR,
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RARCH_FILTER_NEAREST,
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};
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struct gfx_fbo_scale
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{
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bool valid;
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enum gfx_scale_type type_x;
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enum gfx_scale_type type_y;
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float scale_x;
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float scale_y;
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unsigned abs_x;
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unsigned abs_y;
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bool fp_fbo;
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};
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struct gfx_shader_pass
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{
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union
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{
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char cg[PATH_MAX];
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struct
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{
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char vertex[PATH_MAX];
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char fragment[PATH_MAX];
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} glsl;
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} source;
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struct gfx_fbo_scale fbo;
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enum gfx_filter_type filter;
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unsigned frame_count_mod;
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};
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struct gfx_shader_lut
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{
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char id[64];
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char path[PATH_MAX];
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enum gfx_filter_type filter;
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};
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// This is pretty big, shouldn't be put on the stack.
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// Avoid lots of allocation for convenience.
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struct gfx_shader
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{
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unsigned passes;
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struct gfx_shader_pass pass[GFX_MAX_SHADERS];
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unsigned luts;
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struct gfx_shader_lut lut[GFX_MAX_TEXTURES];
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unsigned variables;
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struct state_tracker_uniform_info variable[GFX_MAX_VARIABLES];
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char script_path[PATH_MAX];
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char script_class[512];
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};
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bool gfx_shader_read_conf_cgp(config_file_t *conf, struct gfx_shader *shader);
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void gfx_shader_write_conf_cgp(config_file_t *conf, const struct gfx_shader *shader);
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#endif
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