4coder/platform_mac/mac_4ed_metal.mm

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/* Mac Metal layer for 4coder */
#import "metal/4ed_metal_render.mm"
////////////////////////////////
struct Mac_Metal{
Mac_Renderer base;
Metal_Renderer *renderer;
MTKView *view;
};
////////////////////////////////
function
mac_render_sig(mac_metal__render){
Mac_Metal *metal = (Mac_Metal*)renderer;
[metal->view draw];
}
function
mac_get_texture_sig(mac_metal__get_texture){
Mac_Metal *metal = (Mac_Metal*)renderer;
u32 result = [metal->renderer get_texture_of_dim:dim
kind:texture_kind];
return(result);
}
function
mac_fill_texture_sig(mac_metal__fill_texture){
Mac_Metal *metal = (Mac_Metal*)renderer;
b32 result = [metal->renderer fill_texture:texture
kind:texture_kind
pos:p
dim:dim
data:data];
return(result);
}
function Mac_Metal*
mac_metal__init(NSWindow *window, Render_Target *target){
// NOTE(yuval): Create the Mac Metal rendere
Mac_Metal *metal = (Mac_Metal*)system_memory_allocate(sizeof(Mac_Metal),
file_name_line_number_lit_u8);
metal->base.render = mac_metal__render;
metal->base.get_texture = mac_metal__get_texture;
metal->base.fill_texture = mac_metal__fill_texture;
// NOTE(yuval): Create the Metal view
NSView *content_view = [window contentView];
metal->view = [[MTKView alloc] initWithFrame:[content_view bounds]];
[metal->view setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
[metal->view setPaused:YES];
[metal->view setEnableSetNeedsDisplay:NO];
metal->view.device = MTLCreateSystemDefaultDevice();
// NOTE(yuval): Add the Metal view as a subview of the window
[content_view addSubview:metal->view];
// NOTE(yuval): Create the Metal renderer and set it as the Metal view's delegate
metal->renderer = [[Metal_Renderer alloc] initWithMetalKitView:metal->view target:target];
metal->view.delegate = metal->renderer;
return(metal);
}
////////////////////////////////
// TODO(yuval): This function should be exported to a DLL
function
mac_load_renderer_sig(mac_load_metal_renderer){
Mac_Renderer *renderer = (Mac_Renderer*)mac_metal__init(window, target);
return(renderer);
}