[UWP] Add ANGLE context

This commit is contained in:
driver1998 2019-12-05 18:22:04 +08:00
parent 7cbdd845ad
commit bfe167fae8
5 changed files with 442 additions and 0 deletions

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@ -0,0 +1,361 @@
/* 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 <math.h>
/* UWP/ANGLE EGL context. */
/* necessary for mingw32 multimon defines: */
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0500 //_WIN32_WINNT_WIN2K
#endif
#include <tchar.h>
#include <wchar.h>
#include <string.h>
#include <math.h>
#include <dynamic/dylib.h>
#include <string/stdstring.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include "../../uwp/uwp_func.h"
#include "gfx/common/win32_common.h"
#include "../../configuration.h"
#include "../../dynamic.h"
#include "../../retroarch.h"
#include "../../verbosity.h"
#include "../../frontend/frontend_driver.h"
#include "../common/egl_common.h"
#include "../common/angle_common.h"
#include "../common/gl_common.h"
#ifdef HAVE_DYNAMIC
static dylib_t dll_handle = NULL; /* Handle to libGLESv2.dll */
#endif
static void gfx_ctx_uwp_destroy(void *data);
static egl_ctx_data_t uwp_egl;
static int uwp_interval = 0;
static enum gfx_ctx_api uwp_api = GFX_CTX_OPENGL_ES_API;
typedef struct gfx_ctx_cgl_data
{
void *empty;
} gfx_ctx_uwp_data_t;
bool create_gles_context(void* corewindow)
{
EGLint n, major, minor;
EGLint format;
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
};
EGLint context_attributes[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
if (!angle_init_context(&uwp_egl, EGL_DEFAULT_DISPLAY,
&major, &minor, &n, attribs, NULL))
{
egl_report_error();
goto error;
}
if (!egl_get_native_visual_id(&uwp_egl, &format))
goto error;
if (!egl_create_context(&uwp_egl, context_attributes))
{
egl_report_error();
goto error;
}
if (!uwp_egl_create_surface(&uwp_egl))
goto error;
return true;
error:
return false;
}
static void gfx_ctx_uwp_swap_interval(void *data, int interval)
{
(void)data;
switch (uwp_api)
{
case GFX_CTX_OPENGL_ES_API:
if (uwp_interval != interval)
{
uwp_interval = interval;
egl_set_swap_interval(&uwp_egl, uwp_interval);
}
break;
case GFX_CTX_NONE:
default:
break;
}
}
static void gfx_ctx_uwp_check_window(void *data, bool *quit,
bool *resize, unsigned *width, unsigned *height,
bool is_shutdown)
{
win32_check_window(quit, resize, width, height);
}
static gfx_ctx_proc_t gfx_ctx_uwp_get_proc_address(const char* symbol)
{
#ifdef HAVE_DYNAMIC
return (gfx_ctx_proc_t)GetProcAddress((HINSTANCE)dll_handle, symbol);
#else
return NULL;
#endif
}
static void gfx_ctx_uwp_swap_buffers(void *data, void *data2)
{
(void)data;
switch (uwp_api)
{
case GFX_CTX_OPENGL_ES_API:
egl_swap_buffers(&uwp_egl);
break;
case GFX_CTX_NONE:
default:
break;
}
}
static bool gfx_ctx_uwp_set_resize(void *data,
unsigned width, unsigned height)
{
(void)data;
(void)width;
(void)height;
return false;
}
static void gfx_ctx_uwp_get_video_size(void *data,
unsigned *width, unsigned *height)
{
bool quit;
bool resize;
win32_check_window(&quit, &resize, width, height);
}
static void *gfx_ctx_uwp_init(video_frame_info_t *video_info, void *video_driver)
{
gfx_ctx_uwp_data_t *uwp = (gfx_ctx_uwp_data_t*)calloc(1, sizeof(*uwp));
if (!uwp)
return NULL;
#ifdef HAVE_DYNAMIC
dll_handle = dylib_load("libGLESv2.dll");
#endif
return uwp;
}
static void gfx_ctx_uwp_destroy(void *data)
{
gfx_ctx_uwp_data_t *wgl = (gfx_ctx_uwp_data_t*)data;
switch (uwp_api)
{
case GFX_CTX_OPENGL_ES_API:
egl_destroy(&uwp_egl);
break;
case GFX_CTX_NONE:
default:
break;
}
#ifdef HAVE_DYNAMIC
dylib_close(dll_handle);
#endif
}
static bool gfx_ctx_uwp_set_video_mode(void *data,
video_frame_info_t *video_info,
unsigned width, unsigned height,
bool fullscreen)
{
if (!win32_set_video_mode(NULL, width, height, fullscreen))
{
RARCH_ERR("[UWP EGL]: win32_set_video_mode failed.\n");
}
if (!create_gles_context(uwp_get_corewindow())) {
RARCH_ERR("[UWP EGL]: create_gles_context failed.\n");
goto error;
}
gfx_ctx_uwp_swap_interval(data, uwp_interval);
return true;
error:
gfx_ctx_uwp_destroy(data);
return false;
}
static void gfx_ctx_uwp_input_driver(void *data,
const char *joypad_name,
input_driver_t **input, void **input_data)
{
settings_t *settings = config_get_ptr();
/* Plain xinput is supported on UWP, but it
* supports joypad only (uwp driver was added later) */
if (string_is_equal(settings->arrays.input_driver, "xinput"))
{
void* xinput = input_xinput.init(joypad_name);
*input = xinput ? (input_driver_t*)&input_xinput : NULL;
*input_data = xinput;
}
else
{
void* uwp = input_uwp.init(joypad_name);
*input = uwp ? (input_driver_t*)&input_uwp : NULL;
*input_data = uwp;
}
}
static bool gfx_ctx_uwp_has_focus(void *data)
{
return win32_has_focus();
}
static void gfx_ctx_uwp_show_mouse(void* data, bool state)
{
(void)data;
win32_show_cursor(state);
}
static enum gfx_ctx_api gfx_ctx_uwp_get_api(void *data)
{
return uwp_api;
}
static bool gfx_ctx_uwp_bind_api(void *data,
enum gfx_ctx_api api, unsigned major, unsigned minor)
{
(void)data;
if (api == GFX_CTX_OPENGL_ES_API)
return true;
else
return false;
}
static void gfx_ctx_uwp_bind_hw_render(void *data, bool enable)
{
switch (uwp_api)
{
case GFX_CTX_OPENGL_ES_API:
egl_bind_hw_render(&uwp_egl, enable);
break;
case GFX_CTX_NONE:
default:
break;
}
}
static uint32_t gfx_ctx_uwp_get_flags(void *data)
{
uint32_t flags = 0;
switch (uwp_api)
{
case GFX_CTX_OPENGL_ES_API:
#if defined(HAVE_SLANG) && defined(HAVE_SPIRV_CROSS)
BIT32_SET(flags, GFX_CTX_FLAGS_SHADERS_SLANG);
#endif
#ifdef HAVE_GLSL
BIT32_SET(flags, GFX_CTX_FLAGS_SHADERS_GLSL);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
return flags;
}
const gfx_ctx_driver_t gfx_ctx_uwp = {
gfx_ctx_uwp_init,
gfx_ctx_uwp_destroy,
gfx_ctx_uwp_get_api,
gfx_ctx_uwp_bind_api,
gfx_ctx_uwp_swap_interval,
gfx_ctx_uwp_set_video_mode,
gfx_ctx_uwp_get_video_size,
NULL, /* get refresh rate */
NULL, /* get video output size */
NULL, /* get video output prev */
NULL, /* get video output next */
win32_get_metrics,
NULL,
NULL, /* update title */
gfx_ctx_uwp_check_window,
gfx_ctx_uwp_set_resize,
gfx_ctx_uwp_has_focus,
NULL, /* suppress screensaver */
true, /* has_windowed */
gfx_ctx_uwp_swap_buffers,
gfx_ctx_uwp_input_driver,
gfx_ctx_uwp_get_proc_address,
NULL,
NULL,
gfx_ctx_uwp_show_mouse,
"uwp",
gfx_ctx_uwp_get_flags, /* get flags */
NULL, /* set flags */
gfx_ctx_uwp_bind_hw_render,
NULL,
NULL
};

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@ -279,6 +279,10 @@ VIDEO CONTEXT
#include "../gfx/common/angle_common.c"
#endif
#if defined(__WINRT__)
#include "../gfx/drivers_context/uwp_egl_ctx.c"
#endif
#endif
#if defined(HAVE_X11)

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@ -477,6 +477,9 @@ static const gfx_ctx_driver_t *gfx_ctx_drivers[] = {
#if defined(_WIN32) && !defined(__WINRT__) && (defined(HAVE_OPENGL) || defined(HAVE_OPENGL1) || defined(HAVE_OPENGL_CORE) || defined(HAVE_VULKAN))
&gfx_ctx_wgl,
#endif
#if defined(__WINRT__) && defined(HAVE_OPENGLES)
&gfx_ctx_uwp,
#endif
#if defined(HAVE_WAYLAND)
&gfx_ctx_wayland,
#endif

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@ -22,6 +22,11 @@
extern "C" {
#endif
#ifdef HAVE_EGL
#include "../gfx/common/egl_common.h"
bool uwp_egl_create_surface(egl_ctx_data_t* egl);
#endif
extern char uwp_dir_install[PATH_MAX_LENGTH];
extern char uwp_dir_data[PATH_MAX_LENGTH];
extern char uwp_device_family[128];

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@ -581,6 +581,44 @@ extern "C" {
CoreWindow::GetForCurrentThread()->PointerCursor = state ? ref new CoreCursor(CoreCursorType::Arrow, 0) : nullptr;
}
bool win32_get_metrics(void* data,
enum display_metric_types type, float* value)
{
int pixels_x = DisplayInformation::GetForCurrentView()->ScreenWidthInRawPixels;
int pixels_y = DisplayInformation::GetForCurrentView()->ScreenHeightInRawPixels;
int raw_dpi_x = DisplayInformation::GetForCurrentView()->RawDpiX;
int raw_dpi_y = DisplayInformation::GetForCurrentView()->RawDpiY;
int physical_width = pixels_x / raw_dpi_x;
int physical_height = pixels_y / raw_dpi_y;
switch (type)
{
case DISPLAY_METRIC_PIXEL_WIDTH:
*value = pixels_x;
return true;
case DISPLAY_METRIC_PIXEL_HEIGHT:
*value = pixels_y;
return true;
case DISPLAY_METRIC_MM_WIDTH:
/* 25.4 mm in an inch. */
*value = 254 * physical_width / 10;
return true;
case DISPLAY_METRIC_MM_HEIGHT:
/* 25.4 mm in an inch. */
*value = 254 * physical_height / 10;
return true;
case DISPLAY_METRIC_DPI:
*value = raw_dpi_x;
return true;
case DISPLAY_METRIC_NONE:
default:
*value = 0;
break;
}
return false;
}
void win32_check_window(bool *quit, bool *resize, unsigned *width, unsigned *height)
{
*quit = App::GetInstance()->IsWindowClosed();
@ -598,6 +636,37 @@ extern "C" {
return (void*)CoreWindow::GetForCurrentThread();
}
#ifdef HAVE_EGL
/* A special version of egl_create_surface to properly handle DPI scaling. */
bool uwp_egl_create_surface(egl_ctx_data_t* egl)
{
EGLint window_attribs[] = {
EGL_RENDER_BUFFER, EGL_BACK_BUFFER,
EGL_NONE,
};
double scale = DisplayInformation::GetForCurrentView()->RawPixelsPerViewPixel;
/* Why Microsoft uses a WinRT class for sending parameters to EGL?! */
PropertySet^ prop = ref new PropertySet();
prop->Insert(L"EGLNativeWindowTypeProperty", CoreWindow::GetForCurrentThread());
prop->Insert(L"EGLRenderResolutionScaleProperty", PropertyValue::CreateSingle(scale));
egl->surf = eglCreateWindowSurface(egl->dpy, egl->config, (EGLNativeWindowType)(prop), window_attribs);
if (egl->surf == EGL_NO_SURFACE)
return false;
/* Connect the context to the surface. */
if (!eglMakeCurrent(egl->dpy, egl->surf, egl->surf, egl->ctx))
return false;
RARCH_LOG("[EGL]: Current context: %p.\n", (void*)eglGetCurrentContext());
return true;
}
#endif
void uwp_fill_installed_core_packages(struct string_list *list)
{
for (auto package : Windows::ApplicationModel::Package::Current->Dependencies)