add vulkan indirect command structs, mostly copied from ash

crates/spirv-std/src/indirect_command.rs

@@ -0,0 +1,135 @@
+use glam::UVec3;
+
+#[doc = "<https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkDeviceSize.html>"]
+pub type DeviceSize = u64;
+#[doc = "<https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkDeviceAddress.html>"]
+pub type DeviceAddress = u64;
+
+#[repr(C)]
+#[derive(Copy, Clone, Debug, Default)]
+#[doc = "<https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkDrawIndirectCommand.html>"]
+pub struct DrawIndirectCommand {
+    pub vertex_count: u32,
+    pub instance_count: u32,
+    pub first_vertex: u32,
+    pub first_instance: u32,
+}
+
+#[repr(C)]
+#[derive(Copy, Clone, Debug, Default)]
+#[doc = "<https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkDrawIndexedIndirectCommand.html>"]
+pub struct DrawIndexedIndirectCommand {
+    pub index_count: u32,
+    pub instance_count: u32,
+    pub first_index: u32,
+    pub vertex_offset: i32,
+    pub first_instance: u32,
+}
+
+#[repr(C)]
+#[derive(Copy, Clone, Debug, Default)]
+#[doc = "<https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkDispatchIndirectCommand.html>"]
+pub struct DispatchIndirectCommand {
+    pub x: u32,
+    pub y: u32,
+    pub z: u32,
+}
+
+impl From<UVec3> for DispatchIndirectCommand {
+    fn from(v: UVec3) -> Self {
+        Self {
+            x: v.x,
+            y: v.y,
+            z: v.z,
+        }
+    }
+}
+
+impl From<DispatchIndirectCommand> for UVec3 {
+    fn from(v: DispatchIndirectCommand) -> Self {
+        Self {
+            x: v.x,
+            y: v.y,
+            z: v.z,
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Copy, Clone, Debug, Default)]
+#[doc = "<https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkDrawMeshTasksIndirectCommandEXT.html>"]
+pub struct DrawMeshTasksIndirectCommandEXT {
+    pub group_count_x: u32,
+    pub group_count_y: u32,
+    pub group_count_z: u32,
+}
+
+impl From<UVec3> for DrawMeshTasksIndirectCommandEXT {
+    fn from(v: UVec3) -> Self {
+        Self {
+            group_count_x: v.x,
+            group_count_y: v.y,
+            group_count_z: v.z,
+        }
+    }
+}
+
+impl From<DrawMeshTasksIndirectCommandEXT> for UVec3 {
+    fn from(v: DrawMeshTasksIndirectCommandEXT) -> Self {
+        Self {
+            x: v.group_count_x,
+            y: v.group_count_y,
+            z: v.group_count_z,
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Copy, Clone, Debug, Default)]
+#[doc = "<https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkTraceRaysIndirectCommandKHR.html>"]
+pub struct TraceRaysIndirectCommandKHR {
+    pub width: u32,
+    pub height: u32,
+    pub depth: u32,
+}
+
+impl From<UVec3> for TraceRaysIndirectCommandKHR {
+    fn from(v: UVec3) -> Self {
+        Self {
+            width: v.x,
+            height: v.y,
+            depth: v.z,
+        }
+    }
+}
+
+impl From<TraceRaysIndirectCommandKHR> for UVec3 {
+    fn from(v: TraceRaysIndirectCommandKHR) -> Self {
+        Self {
+            x: v.width,
+            y: v.height,
+            z: v.depth,
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Copy, Clone, Debug, Default)]
+#[doc = "<https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkTraceRaysIndirectCommand2KHR.html>"]
+#[must_use]
+pub struct TraceRaysIndirectCommand2KHR {
+    pub raygen_shader_record_address: DeviceAddress,
+    pub raygen_shader_record_size: DeviceSize,
+    pub miss_shader_binding_table_address: DeviceAddress,
+    pub miss_shader_binding_table_size: DeviceSize,
+    pub miss_shader_binding_table_stride: DeviceSize,
+    pub hit_shader_binding_table_address: DeviceAddress,
+    pub hit_shader_binding_table_size: DeviceSize,
+    pub hit_shader_binding_table_stride: DeviceSize,
+    pub callable_shader_binding_table_address: DeviceAddress,
+    pub callable_shader_binding_table_size: DeviceSize,
+    pub callable_shader_binding_table_stride: DeviceSize,
+    pub width: u32,
+    pub height: u32,
+    pub depth: u32,
+}

crates/spirv-std/src/lib.rs

@@ -99,6 +99,7 @@ pub mod arch;
 pub mod byte_addressable_buffer;
 pub mod float;
 pub mod image;
+pub mod indirect_command;
 pub mod integer;
 pub mod memory;
 pub mod number;