debug_printf: Add DEBUG_PRINTF wgpu feature

gfx-rs · Oct 25, 2023 · 2deb7e0 · 2deb7e0
1 parent 7b00fe4
commit 2deb7e0
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Showing 2 changed files with 14 additions and 0 deletions.
diff --git a/wgpu-core/src/device/resource.rs b/wgpu-core/src/device/resource.rs
@@ -1316,6 +1316,10 @@ impl<A: HalApi> Device<A> {
                 .flags
                 .contains(wgt::DownlevelFlags::CUBE_ARRAY_TEXTURES),
         );
+        caps.set(
+            Caps::DEBUG_PRINTF,
+            self.features.contains(wgt::Features::DEBUG_PRINTF),
+        );
 
         let debug_source = if self.instance_flags.contains(wgt::InstanceFlags::DEBUG) {
             Some(hal::DebugSource {

diff --git a/wgpu-types/src/lib.rs b/wgpu-types/src/lib.rs
@@ -760,6 +760,16 @@ bitflags::bitflags! {
 
         // Shader:
 
+        /// Enables support for debugPrintf in WGSL shaders.
+        ///
+        /// Supported Platforms:
+        /// - DX11 (fxc only)
+        /// - Dx12 (fxc only)
+        /// - Vulkan
+        /// - OpenGL
+        ///
+        /// This is a native only feature
+        const DEBUG_PRINTF = 1 << 58;
         /// Enables 64-bit floating point types in SPIR-V shaders.
         ///
         /// Note: even when supported by GPU hardware, 64-bit floating point operations are