RetroArch/gfx/drivers_context/android_ctx.c
2019-10-04 14:27:09 +02:00

674 lines
16 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <sys/system_properties.h>
#include <formats/image.h>
#include <string/stdstring.h>
#include <compat/strl.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#ifdef HAVE_EGL
#include "../common/egl_common.h"
#endif
#ifdef HAVE_OPENGLES
#include "../common/gl_common.h"
#endif
#ifdef HAVE_VULKAN
#include "../common/vulkan_common.h"
#endif
#include "../../frontend/frontend_driver.h"
#include "../../frontend/drivers/platform_unix.h"
#include "../../verbosity.h"
#include "../../configuration.h"
static enum gfx_ctx_api android_api = GFX_CTX_NONE;
/* forward declaration */
int system_property_get(const char *cmd, const char *args, char *value);
#ifdef HAVE_OPENGLES
static bool g_es3 = false;
#ifndef EGL_OPENGL_ES3_BIT_KHR
#define EGL_OPENGL_ES3_BIT_KHR 0x0040
#endif
#endif
typedef struct
{
#ifdef HAVE_EGL
egl_ctx_data_t egl;
#endif
#ifdef HAVE_VULKAN
gfx_ctx_vulkan_data_t vk;
unsigned width;
unsigned height;
int swap_interval;
#endif
} android_ctx_data_t;
static void android_gfx_ctx_destroy(void *data)
{
android_ctx_data_t *and = (android_ctx_data_t*)data;
#ifdef HAVE_VULKAN
struct android_app *android_app = (struct android_app*)g_android;
#endif
if (!and)
return;
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_EGL
egl_destroy(&and->egl);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
vulkan_context_destroy(&and->vk, android_app->window);
if (and->vk.context.queue_lock)
slock_free(and->vk.context.queue_lock);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
free(data);
}
static void *android_gfx_ctx_init(video_frame_info_t *video_info, void *video_driver)
{
#ifdef HAVE_OPENGLES
EGLint n, major, minor;
EGLint format;
#if 0
struct retro_hw_render_callback *hwr = video_driver_get_hw_context();
bool debug = hwr->debug_context;
#endif
EGLint attribs[] = {
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_BLUE_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_RED_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 16,
EGL_NONE
};
#endif
struct android_app *android_app = (struct android_app*)g_android;
android_ctx_data_t *and = (android_ctx_data_t*)calloc(1, sizeof(*and));
if (!android_app || !and)
return false;
#ifdef HAVE_OPENGLES
if (g_es3)
attribs[1] = EGL_OPENGL_ES3_BIT_KHR;
#endif
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_EGL
RARCH_LOG("Android EGL: GLES version = %d.\n", g_es3 ? 3 : 2);
if (!egl_init_context(&and->egl, EGL_NONE, EGL_DEFAULT_DISPLAY,
&major, &minor, &n, attribs, NULL))
{
egl_report_error();
goto error;
}
if (!egl_get_native_visual_id(&and->egl, &format))
goto error;
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
if (!vulkan_context_init(&and->vk, VULKAN_WSI_ANDROID))
goto error;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
slock_lock(android_app->mutex);
if (!android_app->window)
goto unlock_error;
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
ANativeWindow_setBuffersGeometry(android_app->window, 0, 0, format);
break;
case GFX_CTX_NONE:
default:
break;
}
slock_unlock(android_app->mutex);
return and;
unlock_error:
slock_unlock(android_app->mutex);
error:
android_gfx_ctx_destroy(and);
return NULL;
}
static void android_gfx_ctx_get_video_size(void *data,
unsigned *width, unsigned *height)
{
android_ctx_data_t *and = (android_ctx_data_t*)data;
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_EGL
egl_get_video_size(&and->egl, width, height);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
*width = and->width;
*height = and->height;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
}
static void android_gfx_ctx_check_window(void *data, bool *quit,
bool *resize, unsigned *width, unsigned *height,
bool is_shutdown)
{
unsigned new_width = 0;
unsigned new_height = 0;
android_ctx_data_t *and = (android_ctx_data_t*)data;
*quit = false;
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_EGL
egl_get_video_size(&and->egl, &new_width, &new_height);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
/* Swapchains are recreated in set_resize as a
* central place, so use that to trigger swapchain reinit. */
*resize = and->vk.need_new_swapchain;
new_width = and->width;
new_height = and->height;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
if (new_width != *width || new_height != *height)
{
RARCH_LOG("[Android]: Resizing (%u x %u) -> (%u x %u).\n",
*width, *height, new_width, new_height);
*width = new_width;
*height = new_height;
*resize = true;
}
/* Check if we are exiting. */
if (is_shutdown)
*quit = true;
}
static bool android_gfx_ctx_set_resize(void *data,
unsigned width, unsigned height)
{
#ifdef HAVE_VULKAN
android_ctx_data_t *and = (android_ctx_data_t*)data;
struct android_app *android_app = (struct android_app*)g_android;
#endif
(void)data;
(void)width;
(void)height;
switch (android_api)
{
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
and->width = ANativeWindow_getWidth(android_app->window);
and->height = ANativeWindow_getHeight(android_app->window);
RARCH_LOG("[Android]: Native window size: %u x %u.\n", and->width, and->height);
if (!vulkan_create_swapchain(&and->vk, and->width, and->height, and->swap_interval))
{
RARCH_ERR("[Android]: Failed to update swapchain.\n");
return false;
}
if (and->vk.created_new_swapchain)
vulkan_acquire_next_image(&and->vk);
and->vk.context.invalid_swapchain = true;
and->vk.need_new_swapchain = false;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
return false;
}
static bool android_gfx_ctx_set_video_mode(void *data,
video_frame_info_t *video_info,
unsigned width, unsigned height,
bool fullscreen)
{
#if defined(HAVE_OPENGLES) || defined(HAVE_VULKAN)
struct android_app *android_app = (struct android_app*)g_android;
android_ctx_data_t *and = (android_ctx_data_t*)data;
#endif
#if defined(HAVE_OPENGLES) && defined(HAVE_EGL)
EGLint context_attributes[] = {
EGL_CONTEXT_CLIENT_VERSION, g_es3 ? 3 : 2,
#if 0
EGL_CONTEXT_FLAGS_KHR, debug ? EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR : 0,
#endif
EGL_NONE
};
#endif
(void)width;
(void)height;
(void)fullscreen;
switch (android_api)
{
case GFX_CTX_OPENGL_API:
break;
case GFX_CTX_OPENGL_ES_API:
#if defined(HAVE_OPENGLES) && defined(HAVE_EGL)
if (!egl_create_context(&and->egl, context_attributes))
{
egl_report_error();
return false;
}
if (!egl_create_surface(&and->egl, android_app->window))
return false;
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
and->width = ANativeWindow_getWidth(android_app->window);
and->height = ANativeWindow_getHeight(android_app->window);
RARCH_LOG("[Android]: Native window size: %u x %u.\n", and->width, and->height);
if (!vulkan_surface_create(&and->vk, VULKAN_WSI_ANDROID, NULL, android_app->window,
and->width, and->height, and->swap_interval))
{
RARCH_ERR("[Android]: Failed to create surface.\n");
return false;
}
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
return true;
}
static void android_gfx_ctx_input_driver(void *data,
const char *joypad_name,
input_driver_t **input, void **input_data)
{
void *androidinput = input_android.init(joypad_name);
*input = androidinput ? &input_android : NULL;
*input_data = androidinput;
}
static enum gfx_ctx_api android_gfx_ctx_get_api(void *data)
{
return android_api;
}
static bool android_gfx_ctx_bind_api(void *data,
enum gfx_ctx_api api, unsigned major, unsigned minor)
{
unsigned version;
android_api = api;
switch (api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGLES
version = major * 100 + minor;
if (version > 300)
return false;
if (version < 300)
g_es3 = false;
else if (version == 300)
g_es3 = true;
if (api == GFX_CTX_OPENGL_ES_API)
return true;
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
return true;
#else
break;
#endif
case GFX_CTX_NONE:
default:
break;
}
return false;
}
static bool android_gfx_ctx_has_focus(void *data)
{
bool focused = false;
struct android_app *android_app = (struct android_app*)g_android;
if (!android_app)
return true;
slock_lock(android_app->mutex);
focused = !android_app->unfocused;
slock_unlock(android_app->mutex);
return focused;
}
static bool android_gfx_ctx_suppress_screensaver(void *data, bool enable)
{
(void)data;
(void)enable;
return false;
}
static void dpi_get_density(char *s, size_t len)
{
static bool inited_once = false;
static bool inited2_once = false;
static char string[PROP_VALUE_MAX] = {0};
static char string2[PROP_VALUE_MAX] = {0};
if (!inited_once)
{
system_property_get("getprop", "ro.sf.lcd_density", string);
inited_once = true;
}
if (!string_is_empty(string))
{
strlcpy(s, string, len);
return;
}
if (!inited2_once)
{
system_property_get("wm", "density", string2);
inited2_once = true;
}
strlcpy(s, string2, len);
}
static bool android_gfx_ctx_get_metrics(void *data,
enum display_metric_types type, float *value)
{
static int dpi = -1;
switch (type)
{
case DISPLAY_METRIC_MM_WIDTH:
return false;
case DISPLAY_METRIC_MM_HEIGHT:
return false;
case DISPLAY_METRIC_DPI:
if (dpi == -1)
{
char density[PROP_VALUE_MAX];
density[0] = '\0';
dpi_get_density(density, sizeof(density));
if (string_is_empty(density))
goto dpi_fallback;
dpi = atoi(density);
if (dpi <= 0)
goto dpi_fallback;
}
*value = (float)dpi;
break;
case DISPLAY_METRIC_NONE:
default:
*value = 0;
return false;
}
return true;
dpi_fallback:
/* add a fallback in case the device doesn't report DPI.
* Hopefully fixes issues with the moto G2. */
dpi = 90;
*value = (float)dpi;
return true;
}
static void android_gfx_ctx_swap_buffers(void *data, void *data2)
{
android_ctx_data_t *and = (android_ctx_data_t*)data;
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
#ifdef HAVE_EGL
egl_swap_buffers(&and->egl);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
vulkan_present(&and->vk, and->vk.context.current_swapchain_index);
vulkan_acquire_next_image(&and->vk);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
}
static void android_gfx_ctx_set_swap_interval(void *data, int swap_interval)
{
android_ctx_data_t *and = (android_ctx_data_t*)data;
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_EGL
egl_set_swap_interval(&and->egl, swap_interval);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
if (and->swap_interval != swap_interval)
{
RARCH_LOG("[Vulkan]: Setting swap interval: %u.\n", swap_interval);
and->swap_interval = swap_interval;
if (and->vk.swapchain)
and->vk.need_new_swapchain = true;
}
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
}
static gfx_ctx_proc_t android_gfx_ctx_get_proc_address(const char *symbol)
{
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_EGL
return egl_get_proc_address(symbol);
#else
break;
#endif
case GFX_CTX_NONE:
default:
break;
}
return NULL;
}
static void android_gfx_ctx_bind_hw_render(void *data, bool enable)
{
android_ctx_data_t *and = (android_ctx_data_t*)data;
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_EGL
egl_bind_hw_render(&and->egl, enable);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
}
#ifdef HAVE_VULKAN
static void *android_gfx_ctx_get_context_data(void *data)
{
android_ctx_data_t *and = (android_ctx_data_t*)data;
return &and->vk.context;
}
#endif
static uint32_t android_gfx_ctx_get_flags(void *data)
{
uint32_t flags = 0;
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_GLSL
BIT32_SET(flags, GFX_CTX_FLAGS_SHADERS_GLSL);
#endif
break;
case GFX_CTX_VULKAN_API:
#if defined(HAVE_SLANG) && defined(HAVE_SPIRV_CROSS)
BIT32_SET(flags, GFX_CTX_FLAGS_SHADERS_SLANG);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
return flags;
}
static void android_gfx_ctx_set_flags(void *data, uint32_t flags)
{
(void)flags;
}
const gfx_ctx_driver_t gfx_ctx_android = {
android_gfx_ctx_init,
android_gfx_ctx_destroy,
android_gfx_ctx_get_api,
android_gfx_ctx_bind_api,
android_gfx_ctx_set_swap_interval,
android_gfx_ctx_set_video_mode,
android_gfx_ctx_get_video_size,
NULL, /* get_refresh_rate */
NULL, /* get_video_output_size */
NULL, /* get_video_output_prev */
NULL, /* get_video_output_next */
android_gfx_ctx_get_metrics,
NULL,
NULL, /* update_title */
android_gfx_ctx_check_window,
android_gfx_ctx_set_resize,
android_gfx_ctx_has_focus,
android_gfx_ctx_suppress_screensaver,
false, /* has_windowed */
android_gfx_ctx_swap_buffers,
android_gfx_ctx_input_driver,
android_gfx_ctx_get_proc_address,
NULL,
NULL,
NULL,
"android",
android_gfx_ctx_get_flags,
android_gfx_ctx_set_flags,
android_gfx_ctx_bind_hw_render,
#ifdef HAVE_VULKAN
android_gfx_ctx_get_context_data,
#else
NULL,
#endif
NULL
};