From 1e7fa480a14584aa57215d57b9e2c775d515c7dd Mon Sep 17 00:00:00 2001
From: Jonathan Behrens <fintelia@gmail.com>
Date: Fri, 8 Jan 2021 15:10:08 -0500
Subject: [PATCH] Make all textures support their guaranteed usages

---
 wgpu-core/src/instance.rs | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/wgpu-core/src/instance.rs b/wgpu-core/src/instance.rs
index e3bede82f6..19783199c5 100644
--- a/wgpu-core/src/instance.rs
+++ b/wgpu-core/src/instance.rs
@@ -263,7 +263,7 @@ impl<B: GfxBackend> Adapter<B> {
             )))
             .optimal_tiling;
 
-        let mut allowed_usages = wgt::TextureUsage::empty();
+        let mut allowed_usages = format.describe().guaranteed_format_features.allowed_usages;
         if texture_format_properties.contains(hal::format::ImageFeature::SAMPLED) {
             allowed_usages |= wgt::TextureUsage::SAMPLED;
         }
@@ -276,12 +276,6 @@ impl<B: GfxBackend> Adapter<B> {
         if texture_format_properties.contains(hal::format::ImageFeature::DEPTH_STENCIL_ATTACHMENT) {
             allowed_usages |= wgt::TextureUsage::RENDER_ATTACHMENT;
         }
-        if texture_format_properties.contains(hal::format::ImageFeature::BLIT_SRC) {
-            allowed_usages |= wgt::TextureUsage::COPY_SRC;
-        }
-        if texture_format_properties.contains(hal::format::ImageFeature::BLIT_DST) {
-            allowed_usages |= wgt::TextureUsage::COPY_DST;
-        }
 
         let mut flags = wgt::TextureFormatFeatureFlags::empty();
         if texture_format_properties.contains(hal::format::ImageFeature::STORAGE_ATOMIC) {