mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-28 02:30:35 +00:00
458 lines
12 KiB
Objective-C
458 lines
12 KiB
Objective-C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2018 - Stuart Carnie
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
#import <Metal/Metal.h>
|
|
#import <MetalKit/MetalKit.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <math.h>
|
|
#include <string.h>
|
|
|
|
#include <compat/strl.h>
|
|
#include <gfx/scaler/scaler.h>
|
|
#include <gfx/video_frame.h>
|
|
#include <formats/image.h>
|
|
#include <retro_inline.h>
|
|
#include <retro_miscellaneous.h>
|
|
#include <retro_math.h>
|
|
#include <retro_assert.h>
|
|
#include <libretro.h>
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#import "../../config.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_MENU
|
|
#import "../../menu/menu_driver.h"
|
|
#ifdef HAVE_MENU_WIDGETS
|
|
#import "../../menu/widgets/menu_widgets.h"
|
|
#endif
|
|
#endif
|
|
|
|
#import "../font_driver.h"
|
|
|
|
#import "../common/metal_common.h"
|
|
|
|
#import "../../driver.h"
|
|
#import "../../configuration.h"
|
|
#import "../../record/record_driver.h"
|
|
|
|
#import "../../retroarch.h"
|
|
#import "../../verbosity.h"
|
|
|
|
#import "../video_coord_array.h"
|
|
|
|
static bool metal_set_shader(void *data,
|
|
enum rarch_shader_type type, const char *path);
|
|
|
|
static void *metal_init(const video_info_t *video,
|
|
const input_driver_t **input,
|
|
void **input_data)
|
|
{
|
|
[apple_platform setViewType:APPLE_VIEW_TYPE_METAL];
|
|
|
|
MetalDriver *md = [[MetalDriver alloc] initWithVideo:video input:input inputData:input_data];
|
|
if (md == nil)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
const char *shader_path = retroarch_get_shader_preset();
|
|
|
|
if (shader_path)
|
|
{
|
|
enum rarch_shader_type type = video_shader_parse_type(shader_path, RARCH_SHADER_SLANG);
|
|
metal_set_shader(((__bridge void *)md), type, shader_path);
|
|
}
|
|
|
|
return (__bridge_retained void *)md;
|
|
}
|
|
|
|
static bool metal_frame(void *data, const void *frame,
|
|
unsigned frame_width, unsigned frame_height,
|
|
uint64_t frame_count,
|
|
unsigned pitch, const char *msg, video_frame_info_t *video_info)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
return [md renderFrame:frame
|
|
width:frame_width
|
|
height:frame_height
|
|
frameCount:frame_count
|
|
pitch:pitch
|
|
msg:msg
|
|
info:video_info];
|
|
}
|
|
|
|
static void metal_set_nonblock_state(void *data, bool non_block)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
md.context.displaySyncEnabled = !non_block;
|
|
}
|
|
|
|
static bool metal_alive(void *data)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
static bool metal_has_windowed(void *data)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
static bool metal_focus(void *data)
|
|
{
|
|
return apple_platform.hasFocus;
|
|
}
|
|
|
|
static bool metal_suppress_screensaver(void *data, bool disable)
|
|
{
|
|
RARCH_LOG("[Metal]: suppress screen saver: %s\n", disable ? "YES" : "NO");
|
|
return [apple_platform setDisableDisplaySleep:disable];
|
|
}
|
|
|
|
static bool metal_set_shader(void *data,
|
|
enum rarch_shader_type type, const char *path)
|
|
{
|
|
#if defined(HAVE_SLANG) && defined(HAVE_SPIRV_CROSS)
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
if (!md)
|
|
return false;
|
|
if (!path)
|
|
return true;
|
|
|
|
if (type != RARCH_SHADER_SLANG)
|
|
{
|
|
RARCH_WARN("[Metal] Only .slang or .slangp shaders are supported. Falling back to stock.\n");
|
|
return false;
|
|
}
|
|
|
|
return [md.frameView setShaderFromPath:[NSString stringWithUTF8String:path]];
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
static void metal_free(void *data)
|
|
{
|
|
MetalDriver *md = (__bridge_transfer MetalDriver *)data;
|
|
md = nil;
|
|
}
|
|
|
|
static void metal_set_viewport(void *data, unsigned viewport_width,
|
|
unsigned viewport_height, bool force_full, bool allow_rotate)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
if (md == nil) {
|
|
return;
|
|
}
|
|
|
|
[md setViewportWidth:viewport_width height:viewport_height forceFull:force_full allowRotate:allow_rotate];
|
|
}
|
|
|
|
static void metal_set_rotation(void *data, unsigned rotation)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
if (md == nil) {
|
|
return;
|
|
}
|
|
|
|
[md setRotation:rotation];
|
|
}
|
|
|
|
static void metal_viewport_info(void *data, struct video_viewport *vp)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
*vp = *md.viewport;
|
|
}
|
|
|
|
static bool metal_read_viewport(void *data, uint8_t *buffer, bool is_idle)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
return [md.frameView readViewport:buffer isIdle:is_idle];
|
|
}
|
|
|
|
static uintptr_t metal_load_texture(void *video_data, void *data,
|
|
bool threaded, enum texture_filter_type filter_type)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)video_data;
|
|
struct texture_image *img = (struct texture_image *)data;
|
|
if (!img)
|
|
return 0;
|
|
|
|
struct texture_image image = *img;
|
|
Texture *t = [md.context newTexture:image filter:filter_type];
|
|
return (uintptr_t)(__bridge_retained void *)(t);
|
|
}
|
|
|
|
static void metal_unload_texture(void *data, uintptr_t handle)
|
|
{
|
|
if (!handle)
|
|
return;
|
|
Texture *t = (__bridge_transfer Texture *)(void *)handle;
|
|
t = nil;
|
|
}
|
|
|
|
static void metal_set_video_mode(void *data,
|
|
unsigned width, unsigned height,
|
|
bool fullscreen)
|
|
{
|
|
RARCH_LOG("[Metal]: set_video_mode res=%dx%d fullscreen=%s\n",
|
|
width, height,
|
|
fullscreen ? "YES" : "NO");
|
|
}
|
|
|
|
static float metal_get_refresh_rate(void *data)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
(void)md;
|
|
|
|
return 0.0f;
|
|
}
|
|
|
|
static void metal_set_filtering(void *data, unsigned index, bool smooth)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
[md.frameView setFilteringIndex:index smooth:smooth];
|
|
}
|
|
|
|
static void metal_set_aspect_ratio(void *data, unsigned aspect_ratio_idx)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
|
|
switch (aspect_ratio_idx)
|
|
{
|
|
case ASPECT_RATIO_SQUARE:
|
|
video_driver_set_viewport_square_pixel();
|
|
break;
|
|
|
|
case ASPECT_RATIO_CORE:
|
|
video_driver_set_viewport_core();
|
|
break;
|
|
|
|
case ASPECT_RATIO_CONFIG:
|
|
video_driver_set_viewport_config();
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
video_driver_set_aspect_ratio_value(
|
|
aspectratio_lut[aspect_ratio_idx].value);
|
|
|
|
md.keepAspect = YES;
|
|
[md setNeedsResize];
|
|
}
|
|
|
|
static void metal_apply_state_changes(void *data)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
[md setNeedsResize];
|
|
}
|
|
|
|
static void metal_set_texture_frame(void *data, const void *frame,
|
|
bool rgb32, unsigned width, unsigned height,
|
|
float alpha)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
settings_t *settings = config_get_ptr();
|
|
|
|
[md.menu updateWidth:width
|
|
height:height
|
|
format:rgb32 ? RPixelFormatBGRA8Unorm : RPixelFormatBGRA4Unorm
|
|
filter:settings->bools.menu_linear_filter ? RTextureFilterLinear : RTextureFilterNearest];
|
|
[md.menu updateFrame:frame];
|
|
md.menu.alpha = alpha;
|
|
}
|
|
|
|
static void metal_set_texture_enable(void *data, bool state, bool full_screen)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
if (!md)
|
|
return;
|
|
|
|
md.menu.enabled = state;
|
|
#if 0
|
|
md.menu.fullScreen = full_screen;
|
|
#endif
|
|
}
|
|
|
|
static void metal_set_osd_msg(void *data,
|
|
video_frame_info_t *video_info,
|
|
const char *msg,
|
|
const void *params, void *font)
|
|
{
|
|
font_driver_render_msg(video_info, font, msg, (const struct font_params *)params);
|
|
}
|
|
|
|
static void metal_show_mouse(void *data, bool state)
|
|
{
|
|
[apple_platform setCursorVisible:state];
|
|
}
|
|
|
|
static struct video_shader *metal_get_current_shader(void *data)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
if (!md)
|
|
return NULL;
|
|
|
|
return md.frameView.shader;
|
|
}
|
|
|
|
static uint32_t metal_get_flags(void *data)
|
|
{
|
|
uint32_t flags = 0;
|
|
|
|
BIT32_SET(flags, GFX_CTX_FLAGS_CUSTOMIZABLE_SWAPCHAIN_IMAGES);
|
|
BIT32_SET(flags, GFX_CTX_FLAGS_BLACK_FRAME_INSERTION);
|
|
BIT32_SET(flags, GFX_CTX_FLAGS_MENU_FRAME_FILTERING);
|
|
|
|
return flags;
|
|
}
|
|
|
|
static const video_poke_interface_t metal_poke_interface = {
|
|
.get_flags = metal_get_flags,
|
|
.load_texture = metal_load_texture,
|
|
.unload_texture = metal_unload_texture,
|
|
.set_video_mode = metal_set_video_mode,
|
|
.get_refresh_rate = metal_get_refresh_rate,
|
|
.set_filtering = metal_set_filtering,
|
|
.set_aspect_ratio = metal_set_aspect_ratio,
|
|
.apply_state_changes = metal_apply_state_changes,
|
|
.set_texture_frame = metal_set_texture_frame,
|
|
.set_texture_enable = metal_set_texture_enable,
|
|
.set_osd_msg = metal_set_osd_msg,
|
|
.show_mouse = metal_show_mouse,
|
|
.get_current_shader = metal_get_current_shader,
|
|
};
|
|
|
|
static void metal_get_poke_interface(void *data,
|
|
const video_poke_interface_t **iface)
|
|
{
|
|
(void)data;
|
|
*iface = &metal_poke_interface;
|
|
}
|
|
|
|
#ifdef HAVE_OVERLAY
|
|
|
|
static void metal_overlay_enable(void *data, bool state)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
if (!md)
|
|
return;
|
|
md.overlay.enabled = state;
|
|
}
|
|
|
|
static bool metal_overlay_load(void *data,
|
|
const void *images, unsigned num_images)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
if (!md)
|
|
return NO;
|
|
|
|
return [md.overlay loadImages:(const struct texture_image *)images count:num_images];
|
|
}
|
|
|
|
static void metal_overlay_tex_geom(void *data, unsigned index,
|
|
float x, float y, float w, float h)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
if (!md)
|
|
return;
|
|
|
|
[md.overlay updateTextureCoordsX:x y:y w:w h:h index:index];
|
|
}
|
|
|
|
static void metal_overlay_vertex_geom(void *data, unsigned index,
|
|
float x, float y, float w, float h)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
if (!md)
|
|
return;
|
|
|
|
[md.overlay updateVertexX:x y:y w:w h:h index:index];
|
|
}
|
|
|
|
static void metal_overlay_full_screen(void *data, bool enable)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
if (!md)
|
|
return;
|
|
|
|
md.overlay.fullscreen = enable;
|
|
}
|
|
|
|
static void metal_overlay_set_alpha(void *data, unsigned index, float mod)
|
|
{
|
|
MetalDriver *md = (__bridge MetalDriver *)data;
|
|
if (!md)
|
|
return;
|
|
|
|
[md.overlay updateAlpha:mod index:index];
|
|
}
|
|
|
|
static const video_overlay_interface_t metal_overlay_interface = {
|
|
.enable = metal_overlay_enable,
|
|
.load = metal_overlay_load,
|
|
.tex_geom = metal_overlay_tex_geom,
|
|
.vertex_geom = metal_overlay_vertex_geom,
|
|
.full_screen = metal_overlay_full_screen,
|
|
.set_alpha = metal_overlay_set_alpha,
|
|
};
|
|
|
|
static void metal_get_overlay_interface(void *data,
|
|
const video_overlay_interface_t **iface)
|
|
{
|
|
(void)data;
|
|
*iface = &metal_overlay_interface;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if defined(HAVE_MENU) && defined(HAVE_MENU_WIDGETS)
|
|
static bool metal_menu_widgets_enabled(void *data)
|
|
{
|
|
(void)data;
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
video_driver_t video_metal = {
|
|
metal_init,
|
|
metal_frame,
|
|
metal_set_nonblock_state,
|
|
metal_alive,
|
|
metal_focus,
|
|
metal_suppress_screensaver,
|
|
metal_has_windowed,
|
|
metal_set_shader,
|
|
metal_free,
|
|
"metal",
|
|
metal_set_viewport,
|
|
metal_set_rotation,
|
|
metal_viewport_info,
|
|
metal_read_viewport,
|
|
NULL, /* read_frame_raw */
|
|
#ifdef HAVE_OVERLAY
|
|
metal_get_overlay_interface,
|
|
#endif
|
|
metal_get_poke_interface,
|
|
NULL, /* metal_wrap_type_to_enum */
|
|
#if defined(HAVE_MENU) && defined(HAVE_MENU_WIDGETS)
|
|
metal_menu_widgets_enabled
|
|
#endif
|
|
};
|