mirror of
https://github.com/libretro/RetroArch.git
synced 2024-10-07 22:33:27 +00:00
145 lines
3.3 KiB
C
145 lines
3.3 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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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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#include <boolean.h>
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#include <string.h>
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#include "../../general.h"
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#include <compat/strl.h>
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#include <compat/posix_string.h>
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#include "../state_tracker.h"
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#include "../../dynamic.h"
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#include <gfx/math/matrix_4x4.h>
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#ifdef HAVE_CONFIG_H
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#include "../../config.h"
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#endif
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#ifdef HAVE_OPENGL
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#include "../gl_common.h"
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#endif
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#include "../gfx_context.h"
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#include "shader_context.h"
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#include <stdlib.h>
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static void shader_null_deinit(void) { }
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static bool shader_null_init(void *data, const char *path) { return true; }
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static void shader_null_set_params(void *data, unsigned width, unsigned height,
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unsigned tex_width, unsigned tex_height,
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unsigned out_width, unsigned out_height,
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unsigned frame_count,
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const void *info,
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const void *prev_info,
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const void *fbo_info, unsigned fbo_info_cnt)
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{
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}
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static bool shader_null_set_mvp(void *data, const math_matrix_4x4 *mat)
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{
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#ifdef HAVE_OPENGL
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#ifndef NO_GL_FF_MATRIX
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gl_t *gl = (gl_t*)driver_video_resolve(NULL);
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if (gl)
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{
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gl_ff_matrix(mat);
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}
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#endif
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#endif
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return false;
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}
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static bool shader_null_set_coords(const void *data)
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{
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#ifdef HAVE_OPENGL
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#ifndef NO_GL_FF_VERTEX
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gl_t *gl = (gl_t*)driver_video_resolve(NULL);
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if (gl)
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{
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const struct gl_coords *coords = (const struct gl_coords*)data;
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gl_ff_vertex(coords);
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}
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#endif
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#endif
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return false;
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}
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static void shader_null_use(void *data, unsigned idx)
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{
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(void)data;
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(void)idx;
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}
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static unsigned shader_null_num(void)
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{
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return 0;
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}
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static bool shader_null_filter_type(unsigned idx, bool *smooth)
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{
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(void)idx;
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(void)smooth;
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return false;
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}
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static enum gfx_wrap_type shader_null_wrap_type(unsigned idx)
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{
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(void)idx;
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return RARCH_WRAP_BORDER;
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}
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static void shader_null_shader_scale(unsigned idx,
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struct gfx_fbo_scale *scale)
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{
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(void)idx;
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(void)scale;
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}
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static unsigned shader_null_get_prev_textures(void)
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{
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return 0;
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}
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static bool shader_null_mipmap_input(unsigned idx)
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{
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(void)idx;
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return false;
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}
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static struct gfx_shader *shader_null_get_current_shader(void)
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{
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return NULL;
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}
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const shader_backend_t shader_null_backend = {
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shader_null_init,
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shader_null_deinit,
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shader_null_set_params,
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shader_null_use,
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shader_null_num,
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shader_null_filter_type,
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shader_null_wrap_type,
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shader_null_shader_scale,
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shader_null_set_coords,
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shader_null_set_mvp,
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shader_null_get_prev_textures,
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shader_null_mipmap_input,
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shader_null_get_current_shader,
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RARCH_SHADER_NONE,
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"nullshader"
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};
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