mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-15 06:50:32 +00:00
c7dad59402
On videocore, uploading image textures using OpenVG instead of OpenGL ES saves us about 4.5 milliseconds per frame.
120 lines
4.1 KiB
C
120 lines
4.1 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2010-2012 - 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 __GFX_CONTEXT_H
|
|
#define __GFX_CONTEXT_H
|
|
|
|
#include "../boolean.h"
|
|
#include "../driver.h"
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "../config.h"
|
|
#endif
|
|
|
|
#define MAX_EGLIMAGE_TEXTURES 32
|
|
|
|
enum gfx_ctx_api
|
|
{
|
|
GFX_CTX_OPENGL_API,
|
|
GFX_CTX_OPENGL_ES_API,
|
|
GFX_CTX_DIRECT3D8_API,
|
|
GFX_CTX_DIRECT3D9_API,
|
|
GFX_CTX_OPENVG_API
|
|
};
|
|
|
|
typedef void (*gfx_ctx_proc_t)(void);
|
|
|
|
typedef struct gfx_ctx_driver
|
|
{
|
|
bool (*init)(void);
|
|
void (*destroy)(void);
|
|
|
|
bool (*bind_api)(enum gfx_ctx_api); // Which API to bind to.
|
|
|
|
// Sets the swap interval.
|
|
void (*swap_interval)(unsigned);
|
|
|
|
// Sets video mode. Creates a window, etc.
|
|
bool (*set_video_mode)(unsigned, unsigned, unsigned, bool);
|
|
|
|
// Gets current window size.
|
|
// If not initialized yet, it returns current screen size.
|
|
void (*get_video_size)(unsigned*, unsigned*);
|
|
|
|
// Translates a window size to an aspect ratio.
|
|
// In most cases this will be just width / height, but
|
|
// some contexts will better know which actual aspect ratio is used.
|
|
// This can be NULL to assume the default behavior.
|
|
float (*translate_aspect)(unsigned, unsigned);
|
|
|
|
// Asks driver to update window title (FPS, etc).
|
|
void (*update_window_title)(bool);
|
|
|
|
// Queries for resize and quit events.
|
|
// Also processes events.
|
|
void (*check_window)(bool*, bool*, unsigned*, unsigned*, unsigned);
|
|
|
|
// Acknowledge a resize event. This is needed for some APIs. Most backends will ignore this.
|
|
void (*set_resize)(unsigned, unsigned);
|
|
|
|
// Checks if window has input focus.
|
|
bool (*has_focus)(void);
|
|
|
|
// Swaps buffers. VBlank sync depends on earlier calls to swap_interval.
|
|
void (*swap_buffers)(void);
|
|
|
|
// Most video backends will want to use a certain input driver.
|
|
// Checks for it here.
|
|
void (*input_driver)(const input_driver_t**, void**);
|
|
|
|
// Wraps whatever gl_proc_address() there is.
|
|
gfx_ctx_proc_t (*get_proc_address)(const char*);
|
|
|
|
// Returns true if this context supports EGLImage buffers for screen drawing and was initalized correctly.
|
|
bool (*init_egl_image_buffer)(const video_info_t*);
|
|
|
|
// Writes the frame to the EGLImage and sets image_handle to it. Returns true if a new image handle is created.
|
|
// Always returns true the first time it's called for a new index. The graphics core must handle a change in the handle correctly.
|
|
bool (*write_egl_image)(const void *frame, unsigned width, unsigned height, unsigned pitch, bool rgb32, unsigned index, void **image_handle);
|
|
|
|
// Human readable string.
|
|
const char *ident;
|
|
|
|
#ifdef RARCH_CONSOLE
|
|
void (*set_filtering)(unsigned index, bool set_smooth);
|
|
void (*get_available_resolutions)(void);
|
|
int (*check_resolution)(unsigned resolution_id);
|
|
bool (*menu_init)(void);
|
|
void (*set_fbo)(bool);
|
|
void (*apply_fbo_state_changes)(unsigned);
|
|
#endif
|
|
} gfx_ctx_driver_t;
|
|
|
|
extern const gfx_ctx_driver_t gfx_ctx_sdl_gl;
|
|
extern const gfx_ctx_driver_t gfx_ctx_x_egl;
|
|
extern const gfx_ctx_driver_t gfx_ctx_glx;
|
|
extern const gfx_ctx_driver_t gfx_ctx_drm_egl;
|
|
extern const gfx_ctx_driver_t gfx_ctx_android;
|
|
extern const gfx_ctx_driver_t gfx_ctx_ps3;
|
|
extern const gfx_ctx_driver_t gfx_ctx_xdk;
|
|
extern const gfx_ctx_driver_t gfx_ctx_wgl;
|
|
extern const gfx_ctx_driver_t gfx_ctx_videocore;
|
|
|
|
const gfx_ctx_driver_t *gfx_ctx_find_driver(const char *ident); // Finds driver with ident. Does not initialize.
|
|
const gfx_ctx_driver_t *gfx_ctx_init_first(enum gfx_ctx_api api); // Finds first suitable driver and initializes.
|
|
|
|
#endif
|
|
|