get pixel info from wgpu

Author: hymm

crates/bevy_render/src/texture/image.rs

@@ -489,112 +489,11 @@ pub trait TextureFormatPixelInfo {
 impl TextureFormatPixelInfo for TextureFormat {
     #[allow(clippy::match_same_arms)]
     fn pixel_info(&self) -> PixelInfo {
-        let type_size = match self {
-            // 8bit
-            TextureFormat::R8Unorm
-            | TextureFormat::R8Snorm
-            | TextureFormat::R8Uint
-            | TextureFormat::R8Sint
-            | TextureFormat::Rg8Unorm
-            | TextureFormat::Rg8Snorm
-            | TextureFormat::Rg8Uint
-            | TextureFormat::Rg8Sint
-            | TextureFormat::Rgba8Unorm
-            | TextureFormat::Rgba8UnormSrgb
-            | TextureFormat::Rgba8Snorm
-            | TextureFormat::Rgba8Uint
-            | TextureFormat::Rgba8Sint
-            | TextureFormat::Bgra8Unorm
-            | TextureFormat::Bgra8UnormSrgb => 1,
-
-            // 16bit
-            TextureFormat::R16Uint
-            | TextureFormat::R16Sint
-            | TextureFormat::R16Float
-            | TextureFormat::R16Unorm
-            | TextureFormat::Rg16Uint
-            | TextureFormat::Rg16Sint
-            | TextureFormat::Rg16Unorm
-            | TextureFormat::Rg16Float
-            | TextureFormat::Rgba16Uint
-            | TextureFormat::Rgba16Sint
-            | TextureFormat::Rgba16Float => 2,
-
-            // 32bit
-            TextureFormat::R32Uint
-            | TextureFormat::R32Sint
-            | TextureFormat::R32Float
-            | TextureFormat::Rg32Uint
-            | TextureFormat::Rg32Sint
-            | TextureFormat::Rg32Float
-            | TextureFormat::Rgba32Uint
-            | TextureFormat::Rgba32Sint
-            | TextureFormat::Rgba32Float
-            | TextureFormat::Depth32Float => 4,
-
-            // special cases
-            TextureFormat::Rgb9e5Ufloat => 4,
-            TextureFormat::Rgb10a2Unorm => 4,
-            TextureFormat::Rg11b10Float => 4,
-            TextureFormat::Depth24Plus => 3, // FIXME is this correct?
-            TextureFormat::Depth24PlusStencil8 => 4,
-            // TODO: this is not good! this is a temporary step while porting bevy_render to direct wgpu usage
-            _ => panic!("cannot get pixel info for type"),
-        };
-
-        let components = match self {
-            TextureFormat::R8Unorm
-            | TextureFormat::R8Snorm
-            | TextureFormat::R8Uint
-            | TextureFormat::R8Sint
-            | TextureFormat::R16Uint
-            | TextureFormat::R16Sint
-            | TextureFormat::R16Unorm
-            | TextureFormat::R16Float
-            | TextureFormat::R32Uint
-            | TextureFormat::R32Sint
-            | TextureFormat::R32Float => 1,
-
-            TextureFormat::Rg8Unorm
-            | TextureFormat::Rg8Snorm
-            | TextureFormat::Rg8Uint
-            | TextureFormat::Rg8Sint
-            | TextureFormat::Rg16Uint
-            | TextureFormat::Rg16Sint
-            | TextureFormat::Rg16Unorm
-            | TextureFormat::Rg16Float
-            | TextureFormat::Rg32Uint
-            | TextureFormat::Rg32Sint
-            | TextureFormat::Rg32Float => 2,
-
-            TextureFormat::Rgba8Unorm
-            | TextureFormat::Rgba8UnormSrgb
-            | TextureFormat::Rgba8Snorm
-            | TextureFormat::Rgba8Uint
-            | TextureFormat::Rgba8Sint
-            | TextureFormat::Bgra8Unorm
-            | TextureFormat::Bgra8UnormSrgb
-            | TextureFormat::Rgba16Uint
-            | TextureFormat::Rgba16Sint
-            | TextureFormat::Rgba16Float
-            | TextureFormat::Rgba32Uint
-            | TextureFormat::Rgba32Sint
-            | TextureFormat::Rgba32Float => 4,
-
-            // special cases
-            TextureFormat::Rgb9e5Ufloat
-            | TextureFormat::Rgb10a2Unorm
-            | TextureFormat::Rg11b10Float
-            | TextureFormat::Depth32Float
-            | TextureFormat::Depth24Plus
-            | TextureFormat::Depth24PlusStencil8 => 1,
-            // TODO: this is not good! this is a temporary step while porting bevy_render to direct wgpu usage
-            _ => panic!("cannot get pixel info for type"),
-        };
+        let info = self.describe();
 
         PixelInfo {
-            type_size,
-            num_components: components,
+            type_size: info.block_size.into(),
+            num_components: info.components.into(),
         }
     }
 }