[dxvk] Add depth-stencil unpacking shaders

src/dxvk/meson.build

@@ -30,6 +30,10 @@ dxvk_shaders = files([
   'shaders/dxvk_pack_d24s8.comp',
   'shaders/dxvk_pack_d32s8.comp',
   
+  'shaders/dxvk_unpack_d24s8_as_d32s8.comp',
+  'shaders/dxvk_unpack_d24s8.comp',
+  'shaders/dxvk_unpack_d32s8.comp',
+  
   'hud/shaders/hud_line.frag',
   'hud/shaders/hud_text.frag',
   'hud/shaders/hud_vert.vert',

src/dxvk/shaders/dxvk_unpack_d24s8.comp

@@ -0,0 +1,36 @@
+#version 450
+
+layout(
+  local_size_x = 64,
+  local_size_y = 1,
+  local_size_z = 1) in;
+
+layout(binding = 0, r32ui) writeonly uniform uimageBuffer u_depth;
+layout(binding = 1, r8ui)  writeonly uniform uimageBuffer u_stencil;
+
+layout(binding = 2)
+readonly buffer s_buffer_t {
+  uint data[];
+} s_buffer;
+
+layout(push_constant)
+uniform u_info_t {
+  uvec2 dst_extent;
+  uvec2 src_extent;
+} u_info;
+
+void main() {
+  if (all(lessThan(gl_GlobalInvocationID.xy, u_info.dst_extent))) {
+    uint src_index = gl_GlobalInvocationID.x
+                   + gl_GlobalInvocationID.y * u_info.src_extent.x
+                   + gl_GlobalInvocationID.z * u_info.src_extent.y;
+    
+    uint dst_index = gl_GlobalInvocationID.x
+                   + gl_GlobalInvocationID.y * u_info.dst_extent.x
+                   + gl_GlobalInvocationID.z * u_info.dst_extent.y;
+    
+    uint src_data = s_buffer.data[src_index];
+    imageStore(u_depth,   int(dst_index), uvec4(src_data & 0xFFFFFF));
+    imageStore(u_stencil, int(dst_index), uvec4(src_data >> 24));
+  }
+}

src/dxvk/shaders/dxvk_unpack_d24s8_as_d32s8.comp

@@ -0,0 +1,36 @@
+#version 450
+
+layout(
+  local_size_x = 64,
+  local_size_y = 1,
+  local_size_z = 1) in;
+
+layout(binding = 0, r32f) writeonly uniform  imageBuffer u_depth;
+layout(binding = 1, r8ui) writeonly uniform uimageBuffer u_stencil;
+
+layout(binding = 2)
+readonly buffer s_buffer_t {
+  uint data[];
+} s_buffer;
+
+layout(push_constant)
+uniform u_info_t {
+  uvec2 dst_extent;
+  uvec2 src_extent;
+} u_info;
+
+void main() {
+  if (all(lessThan(gl_GlobalInvocationID.xy, u_info.dst_extent))) {
+    uint src_index = gl_GlobalInvocationID.x
+                   + gl_GlobalInvocationID.y * u_info.src_extent.x
+                   + gl_GlobalInvocationID.z * u_info.src_extent.y;
+    
+    uint dst_index = gl_GlobalInvocationID.x
+                   + gl_GlobalInvocationID.y * u_info.dst_extent.x
+                   + gl_GlobalInvocationID.z * u_info.dst_extent.y;
+    
+    uint src_data = s_buffer.data[src_index];
+    imageStore(u_depth,   int(dst_index),  vec4(float(src_data & 0xFFFFFF) / float(0xFFFFFF)));
+    imageStore(u_stencil, int(dst_index), uvec4(src_data >> 24));
+  }
+}

src/dxvk/shaders/dxvk_unpack_d32s8.comp

@@ -0,0 +1,41 @@
+#version 450
+
+layout(
+  local_size_x = 64,
+  local_size_y = 1,
+  local_size_z = 1) in;
+
+struct d32s8_t {
+  float d32;
+  uint  s8;
+};
+
+layout(binding = 0, r32f) writeonly uniform  imageBuffer u_depth;
+layout(binding = 1, r8ui) writeonly uniform uimageBuffer u_stencil;
+
+layout(binding = 2)
+readonly buffer s_buffer_t {
+  d32s8_t data[];
+} s_buffer;
+
+layout(push_constant)
+uniform u_info_t {
+  uvec2 dst_extent;
+  uvec2 src_extent;
+} u_info;
+
+void main() {
+  if (all(lessThan(gl_GlobalInvocationID.xy, u_info.dst_extent))) {
+    uint src_index = gl_GlobalInvocationID.x
+                   + gl_GlobalInvocationID.y * u_info.src_extent.x
+                   + gl_GlobalInvocationID.z * u_info.src_extent.y;
+    
+    uint dst_index = gl_GlobalInvocationID.x
+                   + gl_GlobalInvocationID.y * u_info.dst_extent.x
+                   + gl_GlobalInvocationID.z * u_info.dst_extent.y;
+    
+    d32s8_t src_data = s_buffer.data[src_index];
+    imageStore(u_depth,   int(dst_index),  vec4(src_data.d32));
+    imageStore(u_stencil, int(dst_index), uvec4(src_data.s8));
+  }
+}