reduced vram consumption by replacing rgba16f with rgb10a2 textures

- good balance between quality and performance
- also works decently for normals, 10 bits precision is giving acceptable gradients

fyrox-impl/src/renderer/bloom/mod.rs

@@ -55,12 +55,12 @@ impl BloomRenderer {
         height: usize,
     ) -> Result<Self, FrameworkError> {
         Ok(Self {
-            blur: GaussianBlur::new(server, width, height, PixelKind::RGBA16F)?,
+            blur: GaussianBlur::new(server, width, height, PixelKind::RGB10A2)?,
             framebuffer: server.create_frame_buffer(
                 None,
                 vec![Attachment::color(server.create_2d_render_target(
                     "Bloom",
-                    PixelKind::RGBA16F,
+                    PixelKind::RGB10A2,
                     width,
                     height,
                 )?)],

fyrox-impl/src/renderer/gbuffer.rs

@@ -95,7 +95,7 @@ impl GBuffer {
         )?;
         let normal_texture = server.create_2d_render_target(
             "GBufferNormalTexture",
-            PixelKind::RGBA16F,
+            PixelKind::RGB10A2,
             width,
             height,
         )?;
@@ -111,7 +111,7 @@ impl GBuffer {
                 Attachment::color(normal_texture.clone()),
                 Attachment::color(server.create_2d_render_target(
                     "GBufferAmbientTexture",
-                    PixelKind::RGBA16F,
+                    PixelKind::RGB10A2,
                     width,
                     height,
                 )?),

fyrox-impl/src/renderer/mod.rs

@@ -255,7 +255,7 @@ impl RenderDataContainer {
         // Intermediate scene frame will be rendered in HDR render target.
         let hdr_frame_texture = server.create_2d_render_target(
             "ObserverHdrFrame",
-            PixelKind::RGBA16F,
+            PixelKind::RGB10A2,
             width,
             height,
         )?;