mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-24 16:39:43 +00:00
288 lines
6.6 KiB
C
288 lines
6.6 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 <stdint.h>
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#include <sys/system_properties.h>
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#include <formats/image.h>
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#include <string/stdstring.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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#include "../common/egl_common.h"
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#include "../common/gl_common.h"
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#include "../../frontend/drivers/platform_linux.h"
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/* forward declaration */
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int system_property_get(const char *cmd, const char *args, char *value);
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static bool g_es3;
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static void *android_gfx_ctx_init(void *video_driver)
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{
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EGLint n, major, 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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struct android_app *android_app = (struct android_app*)g_android;
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egl_ctx_data_t *egl;
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if (!android_app)
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return false;
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egl = (egl_ctx_data_t*)calloc(1, sizeof(*egl));
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RARCH_LOG("Android EGL: GLES version = %d.\n", g_es3 ? 3 : 2);
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if (!egl_init_context(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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if (!egl_get_native_visual_id(egl, &format))
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goto error;
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slock_lock(android_app->mutex);
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if (!android_app->window)
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goto unlock_error;
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ANativeWindow_setBuffersGeometry(android_app->window, 0, 0, format);
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if (!egl_create_context(egl, context_attributes))
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{
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egl_report_error();
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goto unlock_error;
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}
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if (!egl_create_surface(egl, android_app->window))
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goto unlock_error;
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slock_unlock(android_app->mutex);
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return egl;
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unlock_error:
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slock_unlock(android_app->mutex);
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error:
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if (egl)
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{
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egl_destroy(egl);
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free(egl);
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}
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return NULL;
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}
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static void android_gfx_ctx_destroy(void *data)
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{
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if (data)
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{
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egl_destroy(data);
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free(data);
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}
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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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(void)frame_count;
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*quit = false;
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egl_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 (runloop_ctl(RUNLOOP_CTL_IS_SHUTDOWN, NULL))
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*quit = true;
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}
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static bool 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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return false;
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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] = {0};
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char buf_fps[128] = {0};
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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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runloop_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 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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struct android_app *android_app = (struct android_app*)g_android;
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bool focused;
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if (!android_app)
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return true;
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slock_lock(android_app->mutex);
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focused = !android_app->unfocused;
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slock_unlock(android_app->mutex);
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return focused;
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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 dpi_get_density(char *s, size_t len)
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{
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system_property_get("getprop", "ro.sf.lcd_density", s);
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if (string_is_empty(s))
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system_property_get("wm", "density", s);
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}
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static bool android_gfx_ctx_get_metrics(void *data,
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enum display_metric_types type, float *value)
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{
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static int dpi = -1;
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char density[PROP_VALUE_MAX] = {0};
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switch (type)
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{
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case DISPLAY_METRIC_MM_WIDTH:
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return false;
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case DISPLAY_METRIC_MM_HEIGHT:
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return false;
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case DISPLAY_METRIC_DPI:
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if (dpi == -1)
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{
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dpi_get_density(density, sizeof(density));
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if (string_is_empty(density))
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return false;
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dpi = atoi(density);
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}
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*value = (float)dpi;
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break;
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case DISPLAY_METRIC_NONE:
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default:
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*value = 0;
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return false;
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}
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return true;
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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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egl_set_swap_interval,
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android_gfx_ctx_set_video_mode,
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egl_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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android_gfx_ctx_get_metrics,
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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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egl_swap_buffers,
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android_gfx_ctx_input_driver,
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egl_get_proc_address,
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NULL,
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NULL,
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NULL,
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"android",
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egl_bind_hw_render,
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};
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