RetroArch/gfx/common/gl_core_common.h
2020-01-22 13:12:00 +01:00

169 lines
4.3 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2019 - Hans-Kristian Arntzen
* copyright (c) 2011-2017 - Daniel De Matteis
*
* 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 __GL_CORE_COMMON_H
#define __GL_CORE_COMMON_H
#include <boolean.h>
#include <string.h>
#include <libretro.h>
#include <retro_common_api.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include <retro_inline.h>
#include <gfx/math/matrix_4x4.h>
#include <gfx/scaler/scaler.h>
#include <glsym/glsym.h>
#include <formats/image.h>
#include "../video_coord_array.h"
#include "../../retroarch.h"
#include "../drivers_shader/shader_gl_core.h"
RETRO_BEGIN_DECLS
#define GL_CORE_NUM_TEXTURES 4
#define GL_CORE_NUM_PBOS 4
#define GL_CORE_NUM_VBOS 256
#define GL_CORE_NUM_FENCES 8
struct gl_core_streamed_texture
{
GLuint tex;
unsigned width;
unsigned height;
};
typedef struct gl_core
{
const gfx_ctx_driver_t *ctx_driver;
void *ctx_data;
gl_core_filter_chain_t *filter_chain;
video_info_t video_info;
bool vsync;
bool fullscreen;
bool quitting;
bool should_resize;
bool keep_aspect;
unsigned version_major;
unsigned version_minor;
video_viewport_t vp;
struct gl_core_viewport filter_chain_vp;
unsigned vp_out_width;
unsigned vp_out_height;
math_matrix_4x4 mvp;
math_matrix_4x4 mvp_yflip;
math_matrix_4x4 mvp_no_rot;
math_matrix_4x4 mvp_no_rot_yflip;
unsigned rotation;
GLuint vao;
struct gl_core_streamed_texture textures[GL_CORE_NUM_TEXTURES];
unsigned textures_index;
GLuint menu_texture;
float menu_texture_alpha;
bool menu_texture_enable;
bool menu_texture_full_screen;
struct
{
GLuint alpha_blend;
GLuint font;
GLuint ribbon;
GLuint ribbon_simple;
GLuint snow_simple;
GLuint snow;
GLuint bokeh;
struct gl_core_buffer_locations alpha_blend_loc;
struct gl_core_buffer_locations font_loc;
struct gl_core_buffer_locations ribbon_loc;
struct gl_core_buffer_locations ribbon_simple_loc;
struct gl_core_buffer_locations snow_simple_loc;
struct gl_core_buffer_locations snow_loc;
struct gl_core_buffer_locations bokeh_loc;
} pipelines;
unsigned video_width;
unsigned video_height;
GLuint *overlay_tex;
float *overlay_vertex_coord;
float *overlay_tex_coord;
float *overlay_color_coord;
unsigned overlays;
bool overlay_enable;
bool overlay_full_screen;
GLuint scratch_vbos[GL_CORE_NUM_VBOS];
unsigned scratch_vbo_index;
bool use_shared_context;
GLuint hw_render_texture;
GLuint hw_render_fbo;
GLuint hw_render_rb_ds;
bool hw_render_enable;
unsigned hw_render_max_width;
unsigned hw_render_max_height;
bool hw_render_bottom_left;
GLsync fences[GL_CORE_NUM_FENCES];
unsigned fence_count;
void *readback_buffer_screenshot;
struct scaler_ctx pbo_readback_scaler;
bool pbo_readback_enable;
unsigned pbo_readback_index;
bool pbo_readback_valid[GL_CORE_NUM_PBOS];
GLuint pbo_readback[GL_CORE_NUM_PBOS];
} gl_core_t;
void gl_core_bind_scratch_vbo(gl_core_t *gl, const void *data, size_t size);
GLuint gl_core_compile_shader(GLenum stage, const char *source);
void gl_core_framebuffer_clear(GLuint id);
void gl_core_framebuffer_copy(
GLuint fb_id,
GLuint quad_program,
GLuint quad_vbo,
GLint flat_ubo_vertex,
struct Size2D size,
GLuint image);
void gl_core_framebuffer_copy_partial(
GLuint fb_id,
GLuint quad_program,
GLint flat_ubo_vertex,
struct Size2D size,
GLuint image,
float rx, float ry);
void gl_core_build_default_matrix(float *data);
uint32_t gl_core_get_cross_compiler_target_version(void);
RETRO_END_DECLS
#endif