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Code Issues 154 Wiki Activity

Add NVIDIA DLSS to the Vulkan renderer (gfx.antialiasing dlss/dlaa) and gfx.buffer.percent

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Hirek
2026-10-25 19:35:33 +01:00
parent 71a6628a4a
commit 1841e6d7b0
27 changed files with 1487 additions and 56 deletions
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16
shaders/vk14/postfx_dlss_exposure.frag Normal file
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#version 460 core
#define STAGE_FRAGMENT 1
#define LAYOUT_POST 1
#include "common.glsl"
// the exposure the tonemapping applies to the image (postfx_tonemapping.frag), in the texel dlss takes it from
// (rendering/vulkan14/vulkan14dlss.h). param is pc.data of the push constants: param[0].y 1 if the automatic exposure is applied
// (exposure_ssbo of common.glsl), param[0].z the fixed exposure multiplier
layout(location = 0) out vec4 out_exposure;
void main()
{
float scale = param[0].z;
if (param[0].y > 0.5 && exposure > 0.0)
scale *= exposure;
out_exposure = vec4(scale, 0.0, 0.0, 1.0);
}

29
shaders/vk14/postfx_dlss_motion.frag Normal file
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#version 460 core
#define STAGE_FRAGMENT 1
#define LAYOUT_POST 1
#include "common.glsl"
// the velocities dlss takes (rendering/vulkan14/vulkan14dlss.h): those the colour pass drew, and for the sky, which has none drawn
// (the depth of the reverse z at its infinity), the motion of the camera, as the temporal anti-aliasing takes it (taa_resolve.glsl).
// param is pc.data of the push constants: param[2..5] the columns of the matrix of the clip space of this frame to the one of the
// last frame, for the world standing still (gfx::temporal_aa::reprojection())
layout(location = 14) in vec2 f_coords;
layout(location = 0) out vec4 out_motion;
#pragma texture(velocity_tex, 0, RG)
layout(set = POST_SET, binding = POST_TEXTURE_FIRST + 0) uniform sampler2D velocity_tex;
#pragma texture(depth_tex, 1, R)
layout(set = POST_SET, binding = POST_TEXTURE_FIRST + 1) uniform sampler2D depth_tex;
void main()
{
ivec2 pixel = ivec2(gl_FragCoord.xy);
vec2 velocity = texelFetch(velocity_tex, pixel, 0).xy;
float depth = texelFetch(depth_tex, pixel, 0).r;
if (depth <= 0.0)
{
vec4 world = mat4(param[2], param[3], param[4], param[5]) * vec4(f_coords * 2.0 - 1.0, depth, 1.0);
velocity = (world.w > 0.0) ? (world.xy / world.w * 0.5 + 0.5) - f_coords : vec2(0.0);
}
out_motion = vec4(velocity, 0.0, 0.0);
}