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Fixing many links issues.

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Corrected shaders
This commit is contained in:
mklefrancois 2020-03-31 18:35:37 +02:00
parent b6402f0c09
commit 95912b873b
32 changed files with 135 additions and 123 deletions
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18
docs/vkrt_tuto_anyhit.md.htm
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@ -31,7 +31,7 @@ Create a new shader file `raytrace.rahit` and rerun CMake to have it added to th
This shader starts like `raytrace.chit`, but uses less information.
~~~~ C++
#version 460
#extension GL_NV_ray_tracing : require
#extension GL_EXT_ray_tracing : require
#extension GL_EXT_nonuniform_qualifier : enable
#extension GL_EXT_scalar_block_layout : enable
#extension GL_GOOGLE_include_directive : enable
@ -41,7 +41,7 @@ This shader starts like `raytrace.chit`, but uses less information.
#include "wavefront.glsl"
// clang-format off
layout(location = 0) rayPayloadInNV hitPayload prd;
layout(location = 0) rayPayloadInEXT hitPayload prd;
layout(binding = 2, set = 1, scalar) buffer ScnDesc { sceneDesc i[]; } scnDesc;
layout(binding = 4, set = 1) buffer MatIndexColorBuffer { int i[]; } matIndex[];
@ -80,9 +80,9 @@ Now we will apply transparency:
~~~~ C++
if (mat.dissolve == 0.0)
ignoreIntersectionNV();
ignoreIntersectionEXT();
else if(rnd(prd.seed) > mat.dissolve)
ignoreIntersectionNV();
ignoreIntersectionEXT();
}
~~~~
@ -183,23 +183,23 @@ First, `seed` will need to be available in the any hit shader, which is the reas
Change the local `seed` to `prd.seed` everywhere.
~~~~ C++
prd.seed = tea(gl_LaunchIDNV.y * gl_LaunchSizeNV.x + gl_LaunchIDNV.x, pushC.frame);
prd.seed = tea(gl_LaunchIDEXT.y * gl_LaunchSizeEXT.x + gl_LaunchIDEXT.x, pushC.frame);
~~~~
For optimization, the `TraceNV` call was using the `gl_RayFlagsOpaqueNV` flag. But
For optimization, the `TraceRayEXT` call was using the `gl_RayFlagsOpaqueEXT` flag. But
this will skip the any hit shader, so change it to
~~~~ C++
uint rayFlags = gl_RayFlagsNoneNV;
uint rayFlags = gl_RayFlagsNoneEXT;
~~~~
## `raytrace.rchit`
Similarly, in the closest hit shader, change the flag to `gl_RayFlagsSkipClosestHitShaderNV`, as we want to enable the any hit and miss shaders, but we still don't care
Similarly, in the closest hit shader, change the flag to `gl_RayFlagsSkipClosestHitShaderEXT`, as we want to enable the any hit and miss shaders, but we still don't care
about the closest hit shader for shadow rays. This will enable transparent shadows.
~~~~ C++
uint flags = gl_RayFlagsSkipClosestHitShaderNV;
uint flags = gl_RayFlagsSkipClosestHitShaderEXT;
~~~~
# Scene and Model