mirror of
https://github.com/CTCaer/RetroArch.git
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441 lines
12 KiB
C
441 lines
12 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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#include <string.h>
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#include "video_context_driver.h"
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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#include "../general.h"
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#include "../verbosity.h"
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static const gfx_ctx_driver_t *gfx_ctx_drivers[] = {
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#if defined(__CELLOS_LV2__)
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&gfx_ctx_ps3,
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#endif
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#if defined(HAVE_D3D)
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&gfx_ctx_d3d,
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#endif
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#if defined(HAVE_VIDEOCORE)
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&gfx_ctx_videocore,
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#endif
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#if defined(HAVE_MALI_FBDEV)
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&gfx_ctx_mali_fbdev,
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#endif
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#if defined(HAVE_VIVANTE_FBDEV)
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&gfx_ctx_vivante_fbdev,
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#endif
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#if defined(_WIN32) && defined(HAVE_OPENGL)
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&gfx_ctx_wgl,
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#endif
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#if defined(HAVE_X11) && defined(HAVE_OPENGL) && !defined(HAVE_OPENGLES)
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&gfx_ctx_glx,
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#endif
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#if defined(HAVE_WAYLAND) && defined(HAVE_OPENGL) && defined(HAVE_EGL)
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&gfx_ctx_wayland,
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#endif
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#if defined(HAVE_X11) && defined(HAVE_OPENGL) && defined(HAVE_EGL)
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&gfx_ctx_x_egl,
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#endif
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#if defined(HAVE_KMS)
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&gfx_ctx_drm_egl,
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#endif
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#if defined(ANDROID)
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&gfx_ctx_android,
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#endif
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#if defined(__QNX__)
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&gfx_ctx_bbqnx,
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#endif
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#if defined(HAVE_COCOA) || defined(HAVE_COCOATOUCH)
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&gfx_ctx_cocoagl,
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#endif
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#if defined(__APPLE__) && !defined(TARGET_IPHONE_SIMULATOR) && !defined(TARGET_OS_IPHONE)
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&gfx_ctx_cgl,
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#endif
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#if (defined(HAVE_SDL) || defined(HAVE_SDL2)) && defined(HAVE_OPENGL)
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&gfx_ctx_sdl_gl,
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#endif
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#ifdef EMSCRIPTEN
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&gfx_ctx_emscripten,
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#endif
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&gfx_ctx_null,
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NULL
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};
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static const gfx_ctx_driver_t *current_video_context;
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static void *video_context_data;
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void gfx_ctx_set(const gfx_ctx_driver_t *ctx_driver)
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{
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if (!ctx_driver)
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return;
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current_video_context = ctx_driver;
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}
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void gfx_ctx_destroy(const gfx_ctx_driver_t *ctx_driver)
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{
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current_video_context = NULL;
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}
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void gfx_ctx_free(void)
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{
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if (current_video_context->destroy)
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current_video_context->destroy(video_context_data);
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current_video_context = NULL;
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video_context_data = NULL;
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}
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const char *gfx_ctx_get_ident(void)
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{
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const gfx_ctx_driver_t *ctx = current_video_context;
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if (!ctx)
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return NULL;
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return ctx->ident;
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}
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void gfx_ctx_update_window_title(void)
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{
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if (current_video_context->update_window_title)
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current_video_context->update_window_title(video_context_data);
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}
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void gfx_ctx_get_video_output_size(
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unsigned *width, unsigned *height)
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{
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const gfx_ctx_driver_t *ctx = current_video_context;
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if (ctx->get_video_output_size)
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ctx->get_video_output_size(video_context_data, width, height);
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}
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bool gfx_ctx_get_video_output_prev(void)
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{
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if (current_video_context->get_video_output_prev)
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{
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current_video_context->get_video_output_prev(video_context_data);
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return true;
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}
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return false;
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}
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bool gfx_ctx_get_video_output_next(void)
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{
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if (current_video_context->get_video_output_next)
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{
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current_video_context->get_video_output_next(video_context_data);
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return true;
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}
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return false;
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}
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void gfx_ctx_swap_buffers(void)
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{
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if (!current_video_context)
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return;
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if (current_video_context->swap_buffers)
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current_video_context->swap_buffers(video_context_data);
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}
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void gfx_ctx_bind_hw_render(bool enable)
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{
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if (current_video_context->bind_hw_render)
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current_video_context->bind_hw_render(video_context_data, enable);
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}
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bool gfx_ctx_focus(void)
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{
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if (video_context_data && current_video_context->has_focus)
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return current_video_context->has_focus(video_context_data);
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return false;
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}
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bool gfx_ctx_set_video_mode(
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unsigned width, unsigned height,
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bool fullscreen)
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{
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if (current_video_context->set_video_mode)
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return current_video_context->set_video_mode(video_context_data, width, height, fullscreen);
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return false;
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}
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void gfx_ctx_translate_aspect(float *aspect,
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unsigned width, unsigned height)
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{
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if (current_video_context->translate_aspect)
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*aspect = current_video_context->translate_aspect(video_context_data, width, height);
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}
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bool gfx_ctx_get_metrics(enum display_metric_types type, float *value)
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{
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if (current_video_context->get_metrics)
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return current_video_context->get_metrics(video_context_data, type,
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value);
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return false;
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}
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bool gfx_ctx_image_buffer_init(const video_info_t* info)
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{
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const gfx_ctx_driver_t *ctx = current_video_context;
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if (ctx->image_buffer_init)
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return ctx->image_buffer_init(video_context_data, info);
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return false;
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}
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bool gfx_ctx_image_buffer_write(const void *frame, unsigned width,
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unsigned height, unsigned pitch, bool rgb32,
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unsigned index, void **image_handle)
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{
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const gfx_ctx_driver_t *ctx = current_video_context;
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if (ctx->image_buffer_write)
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return ctx->image_buffer_write(video_context_data, frame, width, height, pitch,
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rgb32, index, image_handle);
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return false;
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}
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retro_proc_address_t gfx_ctx_get_proc_address(const char *sym)
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{
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return current_video_context->get_proc_address(sym);
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}
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void gfx_ctx_show_mouse(bool state)
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{
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if (video_context_data && current_video_context->show_mouse)
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current_video_context->show_mouse(video_context_data, state);
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}
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bool gfx_ctx_has_windowed(void)
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{
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if (video_context_data)
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return current_video_context->has_windowed(video_context_data);
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return true;
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}
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bool gfx_ctx_check_window(bool *quit, bool *resize,
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unsigned *width, unsigned *height)
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{
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uint64_t *frame_count;
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video_driver_ctl(RARCH_DISPLAY_CTL_GET_FRAME_COUNT, &frame_count);
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if (!video_context_data)
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return false;
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current_video_context->check_window(video_context_data, quit, resize, width, height, (unsigned int)*frame_count);
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return true;
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}
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bool gfx_ctx_suppress_screensaver(bool enable)
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{
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if (video_context_data && current_video_context)
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return current_video_context->suppress_screensaver(video_context_data, enable);
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return false;
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}
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void gfx_ctx_get_video_size(
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unsigned *width, unsigned *height)
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{
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current_video_context->get_video_size(video_context_data, width, height);
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}
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void gfx_ctx_swap_interval(unsigned interval)
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{
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if (current_video_context)
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current_video_context->swap_interval(video_context_data, interval);
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}
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bool gfx_ctx_set_resize(unsigned width, unsigned height)
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{
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if (!current_video_context)
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return false;
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return current_video_context->set_resize(video_context_data, width, height);
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}
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void gfx_ctx_input_driver(
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const input_driver_t **input, void **input_data)
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{
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if (current_video_context)
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current_video_context->input_driver(video_context_data, input, input_data);
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}
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/**
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* find_gfx_ctx_driver_index:
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* @ident : Identifier of resampler driver to find.
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*
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* Finds graphics context driver index by @ident name.
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*
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* Returns: graphics context driver index if driver was found, otherwise
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* -1.
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**/
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static int find_gfx_ctx_driver_index(const char *ident)
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{
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unsigned i;
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for (i = 0; gfx_ctx_drivers[i]; i++)
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if (strcasecmp(ident, gfx_ctx_drivers[i]->ident) == 0)
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return i;
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return -1;
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}
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/**
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* find_prev_context_driver:
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*
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* Finds previous driver in graphics context driver array.
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**/
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void find_prev_gfx_context_driver(void)
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{
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settings_t *settings = config_get_ptr();
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int i = find_gfx_ctx_driver_index(settings->video.context_driver);
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if (i > 0)
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{
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strlcpy(settings->video.context_driver, gfx_ctx_drivers[i - 1]->ident,
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sizeof(settings->video.context_driver));
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}
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else
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RARCH_WARN("Couldn't find any previous video context driver.\n");
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}
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/**
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* find_next_context_driver:
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*
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* Finds next driver in graphics context driver array.
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**/
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void find_next_context_driver(void)
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{
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settings_t *settings = config_get_ptr();
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int i = find_gfx_ctx_driver_index(settings->video.context_driver);
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if (i >= 0 && gfx_ctx_drivers[i + 1])
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{
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strlcpy(settings->video.context_driver, gfx_ctx_drivers[i + 1]->ident,
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sizeof(settings->video.context_driver));
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}
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else
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RARCH_WARN("Couldn't find any next video context driver.\n");
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}
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/**
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* gfx_ctx_init:
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* @data : Input data.
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* @ctx : Graphics context driver to initialize.
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* @ident : Identifier of graphics context driver to find.
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* @api : API of higher-level graphics API.
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* @major : Major version number of higher-level graphics API.
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* @minor : Minor version number of higher-level graphics API.
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* @hw_render_ctx : Request a graphics context driver capable of
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* hardware rendering?
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*
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* Initialize graphics context driver.
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*
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* Returns: graphics context driver if successfully initialized, otherwise NULL.
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**/
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static const gfx_ctx_driver_t *gfx_ctx_init(void *data,
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const gfx_ctx_driver_t *ctx,
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const char *ident,
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enum gfx_ctx_api api, unsigned major,
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unsigned minor, bool hw_render_ctx)
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{
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settings_t *settings = config_get_ptr();
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if (ctx->bind_api(data, api, major, minor))
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{
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void *ctx_data = ctx->init(data);
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if (!ctx_data)
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return NULL;
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if (ctx->bind_hw_render)
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ctx->bind_hw_render(ctx_data,
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settings->video.shared_context && hw_render_ctx);
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video_context_data = ctx_data;
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return ctx;
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}
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#ifndef _WIN32
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RARCH_WARN("Failed to bind API (#%u, version %u.%u) on context driver \"%s\".\n",
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(unsigned)api, major, minor, ctx->ident);
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#endif
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return NULL;
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}
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/**
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* gfx_ctx_find_driver:
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* @data : Input data.
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* @ident : Identifier of graphics context driver to find.
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* @api : API of higher-level graphics API.
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* @major : Major version number of higher-level graphics API.
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* @minor : Minor version number of higher-level graphics API.
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* @hw_render_ctx : Request a graphics context driver capable of
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* hardware rendering?
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*
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* Finds graphics context driver and initializes.
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*
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* Returns: graphics context driver if found, otherwise NULL.
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**/
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static const gfx_ctx_driver_t *gfx_ctx_find_driver(void *data,
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const char *ident,
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enum gfx_ctx_api api, unsigned major,
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unsigned minor, bool hw_render_ctx)
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{
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int i = find_gfx_ctx_driver_index(ident);
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if (i >= 0)
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return gfx_ctx_init(data, gfx_ctx_drivers[i], ident,
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api, major, minor, hw_render_ctx);
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for (i = 0; gfx_ctx_drivers[i]; i++)
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{
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const gfx_ctx_driver_t *ctx =
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gfx_ctx_init(data, gfx_ctx_drivers[i], ident,
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api, major, minor, hw_render_ctx);
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if (ctx)
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return ctx;
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}
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return NULL;
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}
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/**
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* gfx_ctx_init_first:
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* @data : Input data.
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* @ident : Identifier of graphics context driver to find.
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* @api : API of higher-level graphics API.
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* @major : Major version number of higher-level graphics API.
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* @minor : Minor version number of higher-level graphics API.
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* @hw_render_ctx : Request a graphics context driver capable of
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* hardware rendering?
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*
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* Finds first suitable graphics context driver and initializes.
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*
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* Returns: graphics context driver if found, otherwise NULL.
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**/
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const gfx_ctx_driver_t *gfx_ctx_init_first(void *data,
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const char *ident, enum gfx_ctx_api api, unsigned major,
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unsigned minor, bool hw_render_ctx)
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{
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return gfx_ctx_find_driver(data, ident, api, major, minor, hw_render_ctx);
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}
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