mirror of
https://github.com/libretro/RetroArch.git
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109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/* RetroArch - A frontend for libretro.
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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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#ifndef VIDEO_SHADER_DRIVER_H__
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#define VIDEO_SHADER_DRIVER_H__
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#include <boolean.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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#include "video_context_driver.h"
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#include <gfx/math/matrix_4x4.h>
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typedef struct shader_backend
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{
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bool (*init)(void *data, const char *path);
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void (*deinit)(void);
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void (*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_counter,
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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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void (*use)(void *data, unsigned index);
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unsigned (*num_shaders)(void);
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bool (*filter_type)(unsigned index, bool *smooth);
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enum gfx_wrap_type (*wrap_type)(unsigned index);
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void (*shader_scale)(unsigned index, struct gfx_fbo_scale *scale);
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bool (*set_coords)(const void *data);
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bool (*set_mvp)(void *data, const math_matrix_4x4 *mat);
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unsigned (*get_prev_textures)(void);
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bool (*mipmap_input)(unsigned index);
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struct video_shader *(*get_current_shader)(void);
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enum rarch_shader_type type;
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/* Human readable string. */
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const char *ident;
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} shader_backend_t;
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extern const shader_backend_t gl_glsl_backend;
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extern const shader_backend_t hlsl_backend;
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extern const shader_backend_t gl_cg_backend;
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extern const shader_backend_t shader_null_backend;
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#if defined(_XBOX360)
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#define DEFAULT_SHADER_TYPE RARCH_SHADER_HLSL
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#elif defined(__PSL1GHT__)
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#define DEFAULT_SHADER_TYPE RARCH_SHADER_GLSL
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#elif defined(__CELLOS_LV2__)
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#define DEFAULT_SHADER_TYPE RARCH_SHADER_CG
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#elif defined(HAVE_OPENGLES2)
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#define DEFAULT_SHADER_TYPE RARCH_SHADER_GLSL
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#else
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#define DEFAULT_SHADER_TYPE RARCH_SHADER_NONE
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#endif
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#if defined(HAVE_CG) || defined(HAVE_HLSL) || defined(HAVE_GLSL)
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#ifndef HAVE_SHADER_MANAGER
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#define HAVE_SHADER_MANAGER
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#endif
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#include "video_shader_parse.h"
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#define GL_SHADER_STOCK_BLEND (GFX_MAX_SHADERS - 1)
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#endif
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/**
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* shader_ctx_find_driver:
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* @ident : Identifier of shader context driver to find.
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*
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* Finds shader context driver and initializes.
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*
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* Returns: shader context driver if found, otherwise NULL.
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**/
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const shader_backend_t *shader_ctx_find_driver(const char *ident);
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/**
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* shader_ctx_init_first:
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*
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* Finds first suitable shader context driver and initializes.
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*
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* Returns: shader context driver if found, otherwise NULL.
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**/
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const shader_backend_t *shader_ctx_init_first(void);
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struct video_shader *video_shader_driver_get_current_shader(void);
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#endif
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