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[dxvk] Add compute shaders for depth-stencil packing

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Philip Rebohle 2018-11-08 15:47:35 +01:00
parent 0dbac29729
commit 863f2d07fd
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GPG Key ID: C8CC613427A31C99
3 changed files with 90 additions and 0 deletions
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3
src/dxvk/meson.build
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@ -25,6 +25,9 @@ dxvk_shaders = files([
'shaders/dxvk_mipgen_frag_2d.frag', 'shaders/dxvk_mipgen_frag_2d.frag',
'shaders/dxvk_mipgen_frag_3d.frag', 'shaders/dxvk_mipgen_frag_3d.frag',
'shaders/dxvk_pack_d24s8.comp',
'shaders/dxvk_pack_d32s8.comp',
'shaders/dxvk_resolve_vert.vert', 'shaders/dxvk_resolve_vert.vert',
'shaders/dxvk_resolve_geom.geom', 'shaders/dxvk_resolve_geom.geom',
'shaders/dxvk_resolve_frag_f.frag', 'shaders/dxvk_resolve_frag_f.frag',

42
src/dxvk/shaders/dxvk_pack_d24s8.comp Normal file
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@ -0,0 +1,42 @@
#version 450
#extension GL_EXT_samplerless_texture_functions : enable
layout(
local_size_x = 8,
local_size_y = 8,
local_size_z = 1) in;
layout(binding = 0, std430)
writeonly buffer s_buffer_t {
uint data[];
} s_buffer;
layout(binding = 1) uniform texture2DArray u_depth;
layout(binding = 2) uniform utexture2DArray u_stencil;
layout(push_constant)
uniform u_info_t {
uvec2 src_offset;
uvec2 src_extent;
} u_info;
void main() {
if (all(lessThan(gl_GlobalInvocationID.xy, u_info.src_extent))) {
uvec3 src_offset = uvec3(
gl_GlobalInvocationID.xy + u_info.src_offset,
gl_GlobalInvocationID.z);
uvec2 dst_pitch = uvec2(u_info.src_extent.x,
u_info.src_extent.x * u_info.src_extent.y);
uint dst_offset = gl_GlobalInvocationID.x
+ gl_GlobalInvocationID.y * dst_pitch.x
+ gl_GlobalInvocationID.z * dst_pitch.y;
float depth = texelFetch(u_depth, ivec3(src_offset), 0).r;
uint stencil = texelFetch(u_stencil, ivec3(src_offset), 0).r;
s_buffer.data[dst_offset] = uint(mix(0.0f, float((1 << 24) - 1), depth)) | (stencil << 24);
}
}

45
src/dxvk/shaders/dxvk_pack_d32s8.comp Normal file
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@ -0,0 +1,45 @@
#version 450
#extension GL_EXT_samplerless_texture_functions : enable
layout(
local_size_x = 8,
local_size_y = 8,
local_size_z = 1) in;
struct d32s8_t {
float d32;
uint s8;
};
layout(binding = 0, std430)
writeonly buffer s_buffer_t {
d32s8_t data[];
} s_buffer;
layout(binding = 1) uniform texture2DArray u_depth;
layout(binding = 2) uniform utexture2DArray u_stencil;
layout(push_constant)
uniform u_info_t {
uvec2 src_offset;
uvec2 src_extent;
} u_info;
void main() {
if (all(lessThan(gl_GlobalInvocationID.xy, u_info.src_extent))) {
uvec3 src_offset = uvec3(
gl_GlobalInvocationID.xy + u_info.src_offset,
gl_GlobalInvocationID.z);
uvec2 dst_pitch = uvec2(u_info.src_extent.x,
u_info.src_extent.x * u_info.src_extent.y);
uint dst_offset = gl_GlobalInvocationID.x
+ gl_GlobalInvocationID.y * dst_pitch.x
+ gl_GlobalInvocationID.z * dst_pitch.y;
s_buffer.data[dst_offset].d32 = texelFetch(u_depth, ivec3(src_offset), 0).r;
s_buffer.data[dst_offset].s8 = texelFetch(u_stencil, ivec3(src_offset), 0).r;
}
}