mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-23 11:18:25 +00:00
413 lines
10 KiB
C
413 lines
10 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 "../../driver.h"
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#include "../../general.h"
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#include "../../runloop.h"
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#include "../video_monitor.h"
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#include "../gl_common.h"
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#include <EGL/egl.h>
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#include "../../frontend/drivers/platform_android.h"
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#include <formats/image.h>
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#include <stdint.h>
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typedef struct gfx_ctx_android_data
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{
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bool g_use_hw_ctx;
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EGLContext g_egl_hw_ctx;
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EGLContext g_egl_ctx;
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EGLSurface g_egl_surf;
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EGLDisplay g_egl_dpy;
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EGLConfig g_egl_config;
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} gfx_ctx_android_data_t;
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static bool g_es3;
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static void android_gfx_ctx_set_swap_interval(void *data, unsigned interval)
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{
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driver_t *driver = driver_get_ptr();
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gfx_ctx_android_data_t *android = NULL;
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android = (gfx_ctx_android_data_t*)driver->video_context_data;
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(void)data;
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if (!android)
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return;
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eglSwapInterval(android->g_egl_dpy, interval);
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}
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static void android_gfx_ctx_destroy_resources(gfx_ctx_android_data_t *android)
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{
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if (!android)
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return;
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if (android->g_egl_dpy)
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{
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if (android->g_egl_ctx)
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{
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eglMakeCurrent(android->g_egl_dpy,
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EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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eglDestroyContext(android->g_egl_dpy, android->g_egl_ctx);
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}
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if (android->g_egl_hw_ctx)
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eglDestroyContext(android->g_egl_dpy, android->g_egl_hw_ctx);
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if (android->g_egl_surf)
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eglDestroySurface(android->g_egl_dpy, android->g_egl_surf);
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eglTerminate(android->g_egl_dpy);
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}
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/* Be as careful as possible in deinit. */
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android->g_egl_ctx = NULL;
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android->g_egl_hw_ctx = NULL;
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android->g_egl_surf = NULL;
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android->g_egl_dpy = NULL;
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android->g_egl_config = 0;
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}
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static void android_gfx_ctx_destroy(void *data)
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{
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driver_t *driver = driver_get_ptr();
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gfx_ctx_android_data_t *android = NULL;
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android = (gfx_ctx_android_data_t*)driver->video_context_data;
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(void)data;
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if (!android)
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return;
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android_gfx_ctx_destroy_resources(android);
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if (driver->video_context_data)
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free(driver->video_context_data);
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driver->video_context_data = NULL;
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}
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static void android_gfx_ctx_get_video_size(void *data,
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unsigned *width, unsigned *height)
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{
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EGLint gl_width, gl_height;
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driver_t *driver = driver_get_ptr();
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gfx_ctx_android_data_t *android = NULL;
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android = (gfx_ctx_android_data_t*)
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driver->video_context_data;
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*width = 0;
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*height = 0;
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if (!android)
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return;
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if (!android->g_egl_dpy)
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return;
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eglQuerySurface(android->g_egl_dpy,
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android->g_egl_surf, EGL_WIDTH, &gl_width);
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eglQuerySurface(android->g_egl_dpy,
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android->g_egl_surf, EGL_HEIGHT, &gl_height);
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*width = gl_width;
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*height = gl_height;
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}
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static bool android_gfx_ctx_init(void *data)
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{
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int var;
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EGLint num_config, egl_version_major, egl_version_minor;
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EGLint format;
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EGLint context_attributes[] = {
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EGL_CONTEXT_CLIENT_VERSION, g_es3 ? 3 : 2,
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EGL_NONE
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};
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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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driver_t *driver = driver_get_ptr();
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gfx_ctx_android_data_t *android = NULL;
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struct android_app *android_app = (struct android_app*)g_android;
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if (!android_app)
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return false;
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android = (gfx_ctx_android_data_t*)
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calloc(1, sizeof(gfx_ctx_android_data_t));
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if (!android)
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return false;
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RARCH_LOG("Android EGL: GLES version = %d.\n", g_es3 ? 3 : 2);
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android->g_egl_dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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if (!android->g_egl_dpy)
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{
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RARCH_ERR("[Android/EGL]: Couldn't get EGL display.\n");
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goto error;
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}
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if (!eglInitialize(android->g_egl_dpy,
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&egl_version_major, &egl_version_minor))
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goto error;
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RARCH_LOG("[ANDROID/EGL]: EGL version: %d.%d\n",
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egl_version_major, egl_version_minor);
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if (!eglChooseConfig(android->g_egl_dpy,
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attribs, &android->g_egl_config, 1, &num_config))
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goto error;
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var = eglGetConfigAttrib(android->g_egl_dpy, android->g_egl_config,
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EGL_NATIVE_VISUAL_ID, &format);
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if (!var)
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{
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RARCH_ERR("eglGetConfigAttrib failed: %d.\n", var);
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goto error;
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}
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ANativeWindow_setBuffersGeometry(android_app->window, 0, 0, format);
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android->g_egl_ctx = eglCreateContext(android->g_egl_dpy,
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android->g_egl_config, EGL_NO_CONTEXT, context_attributes);
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if (android->g_egl_ctx == EGL_NO_CONTEXT)
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goto error;
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if (android->g_use_hw_ctx)
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{
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android->g_egl_hw_ctx = eglCreateContext(android->g_egl_dpy,
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android->g_egl_config, android->g_egl_ctx,
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context_attributes);
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RARCH_LOG("[Android/EGL]: Created shared context: %p.\n",
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(void*)android->g_egl_hw_ctx);
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if (android->g_egl_hw_ctx == EGL_NO_CONTEXT)
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goto error;
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}
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android->g_egl_surf = eglCreateWindowSurface(android->g_egl_dpy,
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android->g_egl_config, android_app->window, 0);
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if (!android->g_egl_surf)
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goto error;
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if (!eglMakeCurrent(android->g_egl_dpy, android->g_egl_surf,
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android->g_egl_surf, android->g_egl_ctx))
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goto error;
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driver->video_context_data = android;
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return true;
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error:
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android_gfx_ctx_destroy_resources(android);
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if (android)
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free(android);
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return false;
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}
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static void android_gfx_ctx_swap_buffers(void *data)
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{
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driver_t *driver = driver_get_ptr();
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gfx_ctx_android_data_t *android = NULL;
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android = (gfx_ctx_android_data_t*)driver->video_context_data;
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(void)data;
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if (android)
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eglSwapBuffers(android->g_egl_dpy, android->g_egl_surf);
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}
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static void android_gfx_ctx_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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global_t *global = global_get_ptr();
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(void)frame_count;
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*quit = false;
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android_gfx_ctx_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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/* Check if we are exiting. */
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if (global->system.shutdown)
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*quit = true;
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}
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static void android_gfx_ctx_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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}
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static void android_gfx_ctx_update_window_title(void *data)
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{
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char buf[128], buf_fps[128];
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settings_t *settings = config_get_ptr();
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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 android_gfx_ctx_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 android_gfx_ctx_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 *androidinput = input_android.init();
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(void)data;
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*input = androidinput ? &input_android : NULL;
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*input_data = androidinput;
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}
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static gfx_ctx_proc_t android_gfx_ctx_get_proc_address(
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const char *symbol)
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{
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gfx_ctx_proc_t ret;
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void *sym__ = NULL;
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rarch_assert(sizeof(void*) == sizeof(void (*)(void)));
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sym__ = eglGetProcAddress(symbol);
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memcpy(&ret, &sym__, sizeof(void*));
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return ret;
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}
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static bool android_gfx_ctx_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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unsigned version = major * 100 + minor;
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(void)data;
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if (version > 300)
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return false;
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if (version < 300)
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g_es3 = false;
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else if (version == 300)
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g_es3 = true;
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return api == GFX_CTX_OPENGL_ES_API;
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}
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static bool android_gfx_ctx_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 android_gfx_ctx_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 android_gfx_ctx_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 android_gfx_ctx_bind_hw_render(void *data, bool enable)
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{
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driver_t *driver = driver_get_ptr();
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gfx_ctx_android_data_t *android = NULL;
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android = (gfx_ctx_android_data_t*)driver->video_context_data;
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(void)data;
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if (!android)
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return;
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android->g_use_hw_ctx = enable;
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if (!android->g_egl_dpy)
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return;
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if (!android->g_egl_surf)
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return;
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eglMakeCurrent(android->g_egl_dpy, android->g_egl_surf,
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android->g_egl_surf, enable ?
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android->g_egl_hw_ctx : android->g_egl_ctx);
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}
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const gfx_ctx_driver_t gfx_ctx_android = {
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android_gfx_ctx_init,
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android_gfx_ctx_destroy,
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android_gfx_ctx_bind_api,
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android_gfx_ctx_set_swap_interval,
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android_gfx_ctx_set_video_mode,
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android_gfx_ctx_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,
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android_gfx_ctx_update_window_title,
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android_gfx_ctx_check_window,
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android_gfx_ctx_set_resize,
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android_gfx_ctx_has_focus,
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android_gfx_ctx_suppress_screensaver,
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android_gfx_ctx_has_windowed,
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android_gfx_ctx_swap_buffers,
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android_gfx_ctx_input_driver,
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android_gfx_ctx_get_proc_address,
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#ifdef HAVE_EGL
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NULL,
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NULL,
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#endif
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NULL,
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"android",
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android_gfx_ctx_bind_hw_render,
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};
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