sysgpu: implement texture getWidth/getHeight

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

src/sysgpu/d3d12.zig

@@ -1728,6 +1728,14 @@ pub const Texture = struct {
         return TextureView.init(texture, desc);
     }
 
+    pub fn getWidth(texture: *Texture) u32 {
+        return texture.size.width;
+    }
+
+    pub fn getHeight(texture: *Texture) u32 {
+        return texture.size.height;
+    }
+
     // Internal
     pub fn calcSubresource(texture: *Texture, mip_level: u32, array_slice: u32) u32 {
         return mip_level + (array_slice * texture.mip_level_count);

src/sysgpu/main.zig

@@ -1295,9 +1295,9 @@ pub const Impl = sysgpu.Interface(struct {
         @panic("unimplemented");
     }
 
-    pub inline fn textureGetHeight(texture: *sysgpu.Texture) u32 {
-        _ = texture;
-        @panic("unimplemented");
+    pub inline fn textureGetHeight(texture_raw: *sysgpu.Texture) u32 {
+        const texture: *impl.Texture = @ptrCast(@alignCast(texture_raw));
+        return texture.getHeight();
     }
 
     pub inline fn textureGetMipLevelCount(texture: *sysgpu.Texture) u32 {
@@ -1315,9 +1315,9 @@ pub const Impl = sysgpu.Interface(struct {
         @panic("unimplemented");
     }
 
-    pub inline fn textureGetWidth(texture: *sysgpu.Texture) u32 {
-        _ = texture;
-        @panic("unimplemented");
+    pub inline fn textureGetWidth(texture_raw: *sysgpu.Texture) u32 {
+        const texture: *impl.Texture = @ptrCast(@alignCast(texture_raw));
+        return texture.getHeight();
     }
 
     pub inline fn textureSetLabel(texture: *sysgpu.Texture, label: [*:0]const u8) void {

src/sysgpu/metal.zig

@@ -636,6 +636,14 @@ pub const Texture = struct {
         allocator.destroy(texture);
     }
 
+    pub fn getWidth(texture: *Texture) u32 {
+        return @intCast(texture.mtl_texture.width());
+    }
+
+    pub fn getHeight(texture: *Texture) u32 {
+        return @intCast(texture.mtl_texture.height());
+    }
+
     pub fn createView(texture: *Texture, desc: *const sysgpu.TextureView.Descriptor) !*TextureView {
         return TextureView.init(texture, desc);
     }

src/sysgpu/opengl.zig

@@ -808,6 +808,14 @@ pub const Texture = struct {
         allocator.destroy(texture);
     }
 
+    pub fn getWidth(texture: *Texture) u32 {
+        return texture.size.width;
+    }
+
+    pub fn getHeight(texture: *Texture) u32 {
+        return texture.size.height;
+    }
+
     pub fn createView(texture: *Texture, desc: *const sysgpu.TextureView.Descriptor) !*TextureView {
         return TextureView.init(texture, desc);
     }

src/sysgpu/vulkan.zig

@@ -1440,6 +1440,14 @@ pub const Texture = struct {
         allocator.destroy(texture);
     }
 
+    pub fn getWidth(texture: *Texture) u32 {
+        return texture.size.width;
+    }
+
+    pub fn getHeight(texture: *Texture) u32 {
+        return texture.size.height;
+    }
+
     pub fn createView(texture: *Texture, desc: *const sysgpu.TextureView.Descriptor) !*TextureView {
         return TextureView.init(texture, desc, texture.extent);
     }