mirror of
https://github.com/libretro/RetroArch.git
synced 2024-10-08 15:13:24 +00:00
373 lines
9.3 KiB
C
373 lines
9.3 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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/* Apple CGL context.
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Based on http://fernlightning.com/doku.php?id=randd:xopengl.
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*/
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#include <ApplicationServices/ApplicationServices.h>
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#include <OpenGL/CGLTypes.h>
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#include <OpenGL/CGLCurrent.h>
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#include <OpenGL/OpenGL.h>
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#include <OpenGL/gl.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include "../../driver.h"
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#include "../../runloop.h"
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#include "../../configuration.h"
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#include "../video_context_driver.h"
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#include "../video_monitor.h"
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typedef int CGSConnectionID;
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typedef int CGSWindowID;
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typedef int CGSSurfaceID;
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typedef uint32_t _CGWindowID;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Undocumented CGS */
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extern CGSConnectionID CGSMainConnectionID(void);
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extern CGError CGSAddSurface(CGSConnectionID cid, _CGWindowID wid, CGSSurfaceID *sid);
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extern CGError CGSSetSurfaceBounds(CGSConnectionID cid, _CGWindowID wid, CGSSurfaceID sid, CGRect rect);
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extern CGError CGSOrderSurface(CGSConnectionID cid, _CGWindowID wid, CGSSurfaceID sid, int a, int b);
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/* Undocumented CGL */
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extern CGLError CGLSetSurface(CGLContextObj gl, CGSConnectionID cid, CGSWindowID wid, CGSSurfaceID sid);
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#ifdef __cplusplus
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}
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#endif
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typedef struct gfx_ctx_cgl_data
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{
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CGLContextObj glCtx;
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CGDirectDisplayID displayID;
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int width, height;
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} gfx_ctx_cgl_data_t;
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static void gfx_ctx_cgl_swap_interval(void *data, unsigned interval)
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{
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gfx_ctx_cgl_data_t *cgl = (gfx_ctx_cgl_data_t*)data;
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GLint params = interval;
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CGLSetParameter(cgl->glCtx, kCGLCPSwapInterval, ¶ms);
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}
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static void gfx_ctx_cgl_get_video_size(void *data, unsigned *width, unsigned *height)
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{
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gfx_ctx_cgl_data_t *cgl = (gfx_ctx_cgl_data_t*)data;
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*width = cgl->width;
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*height = cgl->height;
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}
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static void gfx_ctx_cgl_check_window(void *data, bool *quit,
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bool *resize, unsigned *width, unsigned *height, unsigned frame_count)
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{
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unsigned new_width, new_height;
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(void)frame_count;
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*quit = false;
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gfx_ctx_cgl_get_video_size(data, &new_width, &new_height);
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if (new_width != *width || new_height != *height)
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{
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*width = new_width;
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*height = new_height;
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*resize = true;
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}
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}
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static void gfx_ctx_cgl_swap_buffers(void *data)
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{
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gfx_ctx_cgl_data_t *cgl = (gfx_ctx_cgl_data_t*)data;
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CGLFlushDrawable(cgl->glCtx);
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}
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static void gfx_ctx_cgl_set_resize(void *data, unsigned width, unsigned height)
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{
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(void)data;
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(void)width;
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(void)height;
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}
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static void gfx_ctx_cgl_update_window_title(void *data)
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{
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char buf[128] = {0};
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char buf_fps[128] = {0};
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settings_t *settings = config_get_ptr();
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(void)data;
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video_monitor_get_fps(buf, sizeof(buf),
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buf_fps, sizeof(buf_fps));
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if (settings->fps_show)
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rarch_main_msg_queue_push(buf_fps, 1, 1, false);
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}
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static bool gfx_ctx_cgl_set_video_mode(void *data,
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unsigned width, unsigned height,
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bool fullscreen)
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{
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(void)data;
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(void)width;
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(void)height;
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(void)fullscreen;
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return true;
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}
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static void gfx_ctx_cgl_destroy(void *data)
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{
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gfx_ctx_cgl_data_t *cgl = (gfx_ctx_cgl_data_t*)data;
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if (cgl->glCtx)
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{
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CGLSetCurrentContext(NULL);
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CGLDestroyContext(cgl->glCtx);
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}
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if (cgl->displayID)
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CGDisplayRelease(cgl->displayID);
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if (cgl)
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free(cgl);
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}
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static void gfx_ctx_cgl_input_driver(void *data, const input_driver_t **input, void **input_data)
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{
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(void)data;
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(void)input;
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(void)input_data;
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}
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static gfx_ctx_proc_t gfx_ctx_cgl_get_proc_address(const char *symbol_name)
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{
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CFURLRef bundle_url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
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CFSTR
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("/System/Library/Frameworks/OpenGL.framework"),
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kCFURLPOSIXPathStyle, true);
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CFBundleRef opengl_bundle_ref = CFBundleCreate(kCFAllocatorDefault, bundle_url);
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CFStringRef function = CFStringCreateWithCString(kCFAllocatorDefault, symbol_name,
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kCFStringEncodingASCII);
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gfx_ctx_proc_t ret = (gfx_ctx_proc_t)CFBundleGetFunctionPointerForName(
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opengl_bundle_ref, function);
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CFRelease(bundle_url);
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CFRelease(function);
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CFRelease(opengl_bundle_ref);
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return ret;
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}
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static bool gfx_ctx_cgl_has_focus(void *data)
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{
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(void)data;
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return true;
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}
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static bool gfx_ctx_cgl_suppress_screensaver(void *data, bool enable)
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{
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(void)data;
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(void)enable;
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return false;
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}
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static bool gfx_ctx_cgl_has_windowed(void *data)
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{
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(void)data;
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return false;
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}
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static bool gfx_ctx_cgl_bind_api(void *data, enum gfx_ctx_api api,
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unsigned major, unsigned minor)
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{
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(void)data;
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(void)api;
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(void)major;
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(void)minor;
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return api == GFX_CTX_OPENGL_API;
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}
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static void gfx_ctx_cgl_show_mouse(void *data, bool state)
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{
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(void)data;
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(void)state;
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}
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static void gfx_ctx_cgl_bind_hw_render(void *data, bool enable)
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{
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gfx_ctx_cgl_data_t *cgl = (gfx_ctx_cgl_data_t*)data;
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(void)enable;
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CGLSetCurrentContext(cgl->glCtx);
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/* TODO - needs to handle HW render context too */
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}
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static CGLContextObj gfx_ctx_cgl_init_create(void)
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{
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GLint num, params = 1;
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CGLPixelFormatObj pix;
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CGLContextObj glCtx = NULL;
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CGLPixelFormatAttribute attributes[] = {
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kCGLPFAAccelerated,
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kCGLPFADoubleBuffer,
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(CGLPixelFormatAttribute)0
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};
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CGLChoosePixelFormat(attributes, &pix, &num);
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CGLCreateContext(pix, NULL, &glCtx);
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CGLDestroyPixelFormat(pix);
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CGLSetParameter(glCtx, kCGLCPSwapInterval, ¶ms);
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return glCtx;
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}
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static CGSSurfaceID attach_gl_context_to_window(CGLContextObj glCtx,
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CGSWindowID wid, int *width, int *height)
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{
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CFArrayRef wins;
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CFDictionaryRef win, bnd;
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GLint params = 0;
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Float64 w = 0, h = 0;
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CGSSurfaceID sid = 0;
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CGSConnectionID cid = CGSMainConnectionID();
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printf("cid:%d wid:%d\n", cid, wid);
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/* determine window size */
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/* FIXME/TODO - CGWindowListCopyWindowInfo was introduced on OSX 10.5,
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* find alternative for lower versions. */
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wins = CGWindowListCopyWindowInfo(kCGWindowListOptionIncludingWindow, wid); /* expect one result only */
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win = (CFDictionaryRef)CFArrayGetValueAtIndex(wins, 0);
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bnd = (CFDictionaryRef)CFDictionaryGetValue(win, kCGWindowBounds);
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CFNumberGetValue((CFNumberRef)CFDictionaryGetValue((CFDictionaryRef)bnd, CFSTR("Width")),
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kCFNumberFloat64Type, &w);
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CFNumberGetValue((CFNumberRef)CFDictionaryGetValue(bnd, CFSTR("Height")),
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kCFNumberFloat64Type, &h);
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CFRelease(wins);
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/* create a surface. */
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if(CGSAddSurface(cid, wid, &sid) != kCGErrorSuccess)
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{
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printf("ERR: no surface\n");
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}
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printf("sid:%d\n", sid);
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/* set surface size, and order it frontmost */
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if(CGSSetSurfaceBounds(cid, wid, sid, CGRectMake(0, 0, w, h)) != kCGErrorSuccess)
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printf("ERR: cant set bounds\n");
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if(CGSOrderSurface(cid, wid, sid, 1, 0) != kCGErrorSuccess)
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printf("ERR: cant order front\n");
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/* attach context to the surface */
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if(CGLSetSurface(glCtx, cid, wid, sid) != kCGErrorSuccess)
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{
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printf("ERR: cant set surface\n");
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}
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/* check drawable */
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CGLGetParameter(glCtx, kCGLCPHasDrawable, ¶ms);
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if(params != 1)
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{
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printf("ERR: no drawable\n");
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}
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*width = (int)w;
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*height = (int)h;
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return sid;
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}
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static bool gfx_ctx_cgl_init(void *data)
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{
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CGError err;
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driver_t *driver = driver_get_ptr();
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gfx_ctx_cgl_data_t *cgl = (gfx_ctx_cgl_data_t*)calloc(1, sizeof(gfx_ctx_cgl_data_t));
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if (!cgl)
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goto error;
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cgl->displayID = CGMainDisplayID();
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err = CGDisplayCapture(cgl->displayID);
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if (err != kCGErrorSuccess)
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goto error;
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cgl->glCtx = gfx_ctx_cgl_init_create();
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if (!cgl->glCtx)
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goto error;
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attach_gl_context_to_window(cgl->glCtx,
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CGShieldingWindowID(cgl->displayID), &cgl->width, &cgl->height);
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printf("size:%dx%d\n", cgl->width, cgl->height);
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CGLSetCurrentContext(cgl->glCtx);
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driver->video_context_data = cgl;
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return true;
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error:
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gfx_ctx_cgl_destroy(cgl);
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return false;
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}
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const gfx_ctx_driver_t gfx_ctx_cgl = {
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gfx_ctx_cgl_init,
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gfx_ctx_cgl_destroy,
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gfx_ctx_cgl_bind_api,
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gfx_ctx_cgl_swap_interval,
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gfx_ctx_cgl_set_video_mode,
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gfx_ctx_cgl_get_video_size,
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NULL, /* get_video_output_size */
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NULL, /* get_video_output_prev */
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NULL, /* get_video_output_next */
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NULL, /* get_metrics */
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NULL,
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gfx_ctx_cgl_update_window_title,
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gfx_ctx_cgl_check_window,
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gfx_ctx_cgl_set_resize,
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gfx_ctx_cgl_has_focus,
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gfx_ctx_cgl_suppress_screensaver,
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gfx_ctx_cgl_has_windowed,
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gfx_ctx_cgl_swap_buffers,
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gfx_ctx_cgl_input_driver,
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gfx_ctx_cgl_get_proc_address,
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NULL,
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NULL,
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gfx_ctx_cgl_show_mouse,
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"cgl",
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gfx_ctx_cgl_bind_hw_render,
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};
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