mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-26 09:41:15 +00:00
337 lines
7.7 KiB
C
337 lines
7.7 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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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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#include <unistd.h>
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#include <sys/ioctl.h>
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/* Includes and defines for framebuffer size retrieval */
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#include <linux/fb.h>
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#include <linux/vt.h>
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#include <streams/file_stream.h>
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#include "../../driver.h"
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#include "../../general.h"
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#include "../../runloop.h"
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#ifdef HAVE_EGL
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#include "../common/egl_common.h"
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#endif
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#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
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#include "../common/gl_common.h"
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#endif
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typedef struct
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{
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#ifdef HAVE_EGL
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egl_ctx_data_t egl;
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#endif
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struct mali_native_window native_window;
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bool resize;
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unsigned width, height;
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} mali_ctx_data_t;
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static enum gfx_ctx_api mali_api;
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static void gfx_ctx_mali_fbdev_destroy(void *data)
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{
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int fb;
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RFILE *fd;
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mali_ctx_data_t *mali = (mali_ctx_data_t*)data;
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if (mali)
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{
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#ifdef HAVE_EGL
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egl_destroy(&mali->egl);
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#endif
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mali->resize = false;
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free(mali);
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}
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/* Clear framebuffer and set cursor on again */
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fd = filestream_open("/dev/tty", RFILE_MODE_READ_WRITE, -1);
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fb = filestream_get_fd(fd);
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ioctl(fb, VT_ACTIVATE,5);
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ioctl(fb, VT_ACTIVATE,1);
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filestream_close(fd);
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system("setterm -cursor on");
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}
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static void gfx_ctx_mali_fbdev_get_video_size(void *data,
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unsigned *width, unsigned *height)
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{
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mali_ctx_data_t *mali = (mali_ctx_data_t*)data;
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*width = mali->width;
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*height = mali->height;
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}
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static void *gfx_ctx_mali_fbdev_init(void *video_driver)
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{
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#ifdef HAVE_EGL
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EGLint n;
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EGLint major, minor;
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EGLint format;
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static const EGLint attribs[] = {
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EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_BLUE_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_RED_SIZE, 8,
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EGL_ALPHA_SIZE, 8,
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EGL_NONE
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};
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#endif
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mali_ctx_data_t *mali = (mali_ctx_data_t*)calloc(1, sizeof(*mali));
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if (!mali)
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return NULL;
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#ifdef HAVE_EGL
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egl_install_sighandlers();
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#endif
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/* Disable cursor blinking so it's not visible in RetroArch. */
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system("setterm -cursor off");
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#ifdef HAVE_EGL
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if (!egl_init_context(&mali->egl, EGL_DEFAULT_DISPLAY,
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&major, &minor, &n, attribs))
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{
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egl_report_error();
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goto error;
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}
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#endif
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return mali;
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error:
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RARCH_ERR("[Mali fbdev]: EGL error: %d.\n", eglGetError());
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gfx_ctx_mali_fbdev_destroy(video_driver);
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return NULL;
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}
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static void gfx_ctx_mali_fbdev_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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gfx_ctx_mali_fbdev_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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*quit = g_egl_quit;
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}
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static bool gfx_ctx_mali_fbdev_set_resize(void *data,
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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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return false;
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}
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static void gfx_ctx_mali_fbdev_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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runloop_msg_queue_push(buf_fps, 1, 1, false);
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}
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static bool gfx_ctx_mali_fbdev_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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struct fb_var_screeninfo vinfo;
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static const EGLint attribs[] = {
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EGL_CONTEXT_CLIENT_VERSION, 2, /* Use version 2, even for GLES3. */
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EGL_NONE
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};
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mali_ctx_data_t *mali = (mali_ctx_data_t*)data;
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RFILE *fd = filestream_open("/dev/fb0", RFILE_MODE_READ_WRITE, -1);
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int fb = filestream_get_fd(fd);
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if (ioctl(fb, FBIOGET_VSCREENINFO, &vinfo) < 0)
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{
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RARCH_ERR("Error obtaining framebuffer info.\n");
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goto error;
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}
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filestream_close(fd);
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width = vinfo.xres;
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height = vinfo.yres;
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mali->width = width;
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mali->height = height;
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mali->native_window.width = vinfo.xres;
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mali->native_window.height = vinfo.yres;
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#ifdef HAVE_EGL
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if (!egl_create_context(&mali->egl, attribs))
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{
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egl_report_error();
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goto error;
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}
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if (!egl_create_surface(&mali->egl, &mali->native_window))
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goto error;
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#endif
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return true;
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error:
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if (fd)
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filestream_close(fd);
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RARCH_ERR("[Mali fbdev]: EGL error: %d.\n", eglGetError());
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gfx_ctx_mali_fbdev_destroy(data);
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return false;
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}
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static void gfx_ctx_mali_fbdev_input_driver(void *data,
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const input_driver_t **input, void **input_data)
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{
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(void)data;
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*input = NULL;
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*input_data = NULL;
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}
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static bool gfx_ctx_mali_fbdev_bind_api(void *data,
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enum gfx_ctx_api api, unsigned major, unsigned minor)
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{
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(void)data;
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mali_api = api;
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return api == GFX_CTX_OPENGL_ES_API;
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}
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static bool gfx_ctx_mali_fbdev_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_mali_fbdev_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_mali_fbdev_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 void gfx_ctx_mali_fbdev_set_swap_interval(void *data, unsigned swap_interval)
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{
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mali_ctx_data_t *mali = (mali_ctx_data_t*)data;
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#ifdef HAVE_EGL
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egl_set_swap_interval(&mali->egl, swap_interval);
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#endif
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}
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static void gfx_ctx_mali_fbdev_swap_buffers(void *data)
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{
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mali_ctx_data_t *mali = (mali_ctx_data_t*)data;
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#ifdef HAVE_EGL
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egl_swap_buffers(&mali->egl);
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#endif
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}
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static gfx_ctx_proc_t gfx_ctx_mali_fbdev_get_proc_address(const char *symbol)
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{
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#ifdef HAVE_EGL
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return egl_get_proc_address(symbol);
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#endif
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}
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static void gfx_ctx_mali_fbdev_bind_hw_render(void *data, bool enable)
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{
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mali_ctx_data_t *mali = (mali_ctx_data_t*)data;
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#ifdef HAVE_EGL
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egl_bind_hw_render(&mali->egl, enable);
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#endif
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}
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static uint32_t gfx_ctx_mali_fbdev_get_flags(void *data)
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{
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uint32_t flags = 0;
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BIT32_SET(flags, GFX_CTX_FLAGS_NONE);
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return flags;
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}
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static void gfx_ctx_mali_fbdev_set_flags(void *data, uint32_t flags)
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{
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(void)data;
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}
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const gfx_ctx_driver_t gfx_ctx_mali_fbdev = {
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gfx_ctx_mali_fbdev_init,
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gfx_ctx_mali_fbdev_destroy,
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gfx_ctx_mali_fbdev_bind_api,
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gfx_ctx_mali_fbdev_set_swap_interval,
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gfx_ctx_mali_fbdev_set_video_mode,
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gfx_ctx_mali_fbdev_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_mali_fbdev_update_window_title,
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gfx_ctx_mali_fbdev_check_window,
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gfx_ctx_mali_fbdev_set_resize,
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gfx_ctx_mali_fbdev_has_focus,
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gfx_ctx_mali_fbdev_suppress_screensaver,
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gfx_ctx_mali_fbdev_has_windowed,
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gfx_ctx_mali_fbdev_swap_buffers,
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gfx_ctx_mali_fbdev_input_driver,
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gfx_ctx_mali_fbdev_get_proc_address,
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NULL,
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NULL,
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NULL,
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"mali-fbdev",
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gfx_ctx_mali_fbdev_get_flags,
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gfx_ctx_mali_fbdev_set_flags,
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gfx_ctx_mali_fbdev_bind_hw_render
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};
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