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[dxvk] Add meta shaders for depth-stencil resolve

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Philip Rebohle 2019-08-13 11:17:46 +02:00
parent acf0001fd1
commit a516ca5b85
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GPG Key ID: C8CC613427A31C99
3 changed files with 139 additions and 0 deletions
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2
src/dxvk/meson.build
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@ -33,6 +33,8 @@ dxvk_shaders = files([
'shaders/dxvk_pack_d24s8.comp',
'shaders/dxvk_pack_d32s8.comp',
'shaders/dxvk_resolve_frag_d.frag',
'shaders/dxvk_resolve_frag_ds.frag',
'shaders/dxvk_resolve_frag_f.frag',
'shaders/dxvk_resolve_frag_f_amd.frag',
'shaders/dxvk_resolve_frag_i.frag',

54
src/dxvk/shaders/dxvk_resolve_frag_d.frag Normal file
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@ -0,0 +1,54 @@
#version 450
#define VK_RESOLVE_MODE_NONE_KHR (0)
#define VK_RESOLVE_MODE_SAMPLE_ZERO_BIT_KHR (1 << 0)
#define VK_RESOLVE_MODE_AVERAGE_BIT_KHR (1 << 1)
#define VK_RESOLVE_MODE_MIN_BIT_KHR (1 << 2)
#define VK_RESOLVE_MODE_MAX_BIT_KHR (1 << 3)
layout(constant_id = 0) const int c_samples = 1;
layout(constant_id = 1) const int c_mode_d = VK_RESOLVE_MODE_SAMPLE_ZERO_BIT_KHR;
layout(binding = 0) uniform sampler2DMSArray s_depth;
layout(push_constant)
uniform u_info_t {
ivec2 offset;
} u_info;
float resolve_depth(ivec3 coord) {
float depth = 0.0f;
switch (c_mode_d) {
case VK_RESOLVE_MODE_SAMPLE_ZERO_BIT_KHR:
depth = texelFetch(s_depth, coord, 0).r;
break;
case VK_RESOLVE_MODE_AVERAGE_BIT_KHR:
depth = texelFetch(s_depth, coord, 0).r;
for (int i = 1; i < c_samples; i++)
depth += texelFetch(s_depth, coord, i).r;
depth /= float(c_samples);
break;
case VK_RESOLVE_MODE_MIN_BIT_KHR:
depth = texelFetch(s_depth, coord, 0).r;
for (int i = 1; i < c_samples; i++)
depth = min(depth, texelFetch(s_depth, coord, i).r);
break;
case VK_RESOLVE_MODE_MAX_BIT_KHR:
depth = texelFetch(s_depth, coord, 0).r;
for (int i = 1; i < c_samples; i++)
depth = max(depth, texelFetch(s_depth, coord, i).r);
break;
}
return depth;
}
void main() {
ivec3 coord = ivec3(gl_FragCoord.xy + u_info.offset, gl_Layer);
gl_FragDepth = resolve_depth(coord);
}

83
src/dxvk/shaders/dxvk_resolve_frag_ds.frag Normal file
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@ -0,0 +1,83 @@
#version 450
#extension GL_ARB_shader_stencil_export : enable
#define VK_RESOLVE_MODE_NONE_KHR (0)
#define VK_RESOLVE_MODE_SAMPLE_ZERO_BIT_KHR (1 << 0)
#define VK_RESOLVE_MODE_AVERAGE_BIT_KHR (1 << 1)
#define VK_RESOLVE_MODE_MIN_BIT_KHR (1 << 2)
#define VK_RESOLVE_MODE_MAX_BIT_KHR (1 << 3)
layout(constant_id = 0) const int c_samples = 1;
layout(constant_id = 1) const int c_mode_d = VK_RESOLVE_MODE_SAMPLE_ZERO_BIT_KHR;
layout(constant_id = 2) const int c_mode_s = VK_RESOLVE_MODE_SAMPLE_ZERO_BIT_KHR;
layout(binding = 0) uniform sampler2DMSArray s_depth;
layout(binding = 1) uniform usampler2DMSArray s_stencil;
layout(push_constant)
uniform u_info_t {
ivec2 offset;
} u_info;
float resolve_depth(ivec3 coord) {
float depth = 0.0f;
switch (c_mode_d) {
case VK_RESOLVE_MODE_SAMPLE_ZERO_BIT_KHR:
depth = texelFetch(s_depth, coord, 0).r;
break;
case VK_RESOLVE_MODE_AVERAGE_BIT_KHR:
depth = texelFetch(s_depth, coord, 0).r;
for (int i = 1; i < c_samples; i++)
depth += texelFetch(s_depth, coord, i).r;
depth /= float(c_samples);
break;
case VK_RESOLVE_MODE_MIN_BIT_KHR:
depth = texelFetch(s_depth, coord, 0).r;
for (int i = 1; i < c_samples; i++)
depth = min(depth, texelFetch(s_depth, coord, i).r);
break;
case VK_RESOLVE_MODE_MAX_BIT_KHR:
depth = texelFetch(s_depth, coord, 0).r;
for (int i = 1; i < c_samples; i++)
depth = max(depth, texelFetch(s_depth, coord, i).r);
break;
}
return depth;
}
int resolve_stencil(ivec3 coord) {
uint stencil = 0u;
switch (c_mode_s) {
case VK_RESOLVE_MODE_SAMPLE_ZERO_BIT_KHR:
stencil = texelFetch(s_stencil, coord, 0).r;
break;
case VK_RESOLVE_MODE_MIN_BIT_KHR:
stencil = texelFetch(s_stencil, coord, 0).r;
for (int i = 1; i < c_samples; i++)
stencil = min(stencil, texelFetch(s_stencil, coord, i).r);
break;
case VK_RESOLVE_MODE_MAX_BIT_KHR:
stencil = texelFetch(s_stencil, coord, 0).r;
for (int i = 1; i < c_samples; i++)
stencil = max(stencil, texelFetch(s_stencil, coord, i).r);
break;
}
return int(stencil);
}
void main() {
ivec3 coord = ivec3(gl_FragCoord.xy + u_info.offset, gl_Layer);
gl_FragDepth = resolve_depth(coord);
gl_FragStencilRefARB = resolve_stencil(coord);
}