RetroArch/gfx/shader_common.h
2014-09-08 17:57:18 +02:00

89 lines
2.7 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_COMMON_H__
#define SHADER_COMMON_H__
#include "../boolean.h"
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#ifdef HAVE_OPENGL
#include "gl_common.h"
#endif
#include "gfx_context.h"
#include "math/matrix.h"
#if defined(_XBOX360)
#define DEFAULT_SHADER_TYPE RARCH_SHADER_HLSL
#elif defined(__PSL1GHT__)
#define DEFAULT_SHADER_TYPE RARCH_SHADER_GLSL
#elif defined(__CELLOS_LV2__)
#define DEFAULT_SHADER_TYPE RARCH_SHADER_CG
#elif defined(HAVE_OPENGLES2)
#define DEFAULT_SHADER_TYPE RARCH_SHADER_GLSL
#else
#define DEFAULT_SHADER_TYPE RARCH_SHADER_NONE
#endif
#if defined(HAVE_CG) || defined(HAVE_HLSL) || defined(HAVE_GLSL)
#ifndef HAVE_SHADER_MANAGER
#define HAVE_SHADER_MANAGER
#endif
#include "shader_parse.h"
#define GL_SHADER_STOCK_BLEND (GFX_MAX_SHADERS - 1)
struct gl_shader_backend
{
bool (*init)(void *data, const char *path);
void (*deinit)(void);
void (*set_params)(void *data, unsigned width, unsigned height,
unsigned tex_width, unsigned tex_height,
unsigned out_width, unsigned out_height,
unsigned frame_counter,
const struct gl_tex_info *info,
const struct gl_tex_info *prev_info,
const struct gl_tex_info *fbo_info, unsigned fbo_info_cnt);
void (*use)(void *data, unsigned index);
unsigned (*num_shaders)(void);
bool (*filter_type)(unsigned index, bool *smooth);
enum gfx_wrap_type (*wrap_type)(unsigned index);
void (*shader_scale)(unsigned index, struct gfx_fbo_scale *scale);
bool (*set_coords)(const struct gl_coords *coords);
bool (*set_mvp)(void *data, const math_matrix *mat);
unsigned (*get_prev_textures)(void);
bool (*mipmap_input)(unsigned index);
struct gfx_shader *(*get_current_shader)(void);
enum rarch_shader_type type;
};
#endif
#ifdef HAVE_OPENGL
void gl_load_texture_data(GLuint obj, const struct texture_image *img,
GLenum wrap, bool linear, bool mipmap);
bool gl_load_luts(const struct gfx_shader *generic_shader,
GLuint *lut_textures);
#endif
#endif