Overhaul global inst deduplication and cpp/cuda backend. (#2654)

* Overhaul global inst deduplication and cpp/cuda backend.

* Update IR documentation.

---------

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 42 insertions, 41 deletions

diff --git a/tests/vkray/raygen.slang.glsl b/tests/vkray/raygen.slang.glsl
index f8b97973b..e34f1f6e0 100644
--- a/tests/vkray/raygen.slang.glsl
+++ b/tests/vkray/raygen.slang.glsl
@@ -1,8 +1,25 @@
-//TEST_IGNORE_FILE:
 #version 460
 #extension GL_EXT_ray_tracing : require
 layout(row_major) uniform;
 layout(row_major) buffer;
+struct ReflectionRay_0
+{
+    float color_0;
+};
+
+layout(location = 0)
+rayPayloadEXT
+ReflectionRay_0 p_0;
+
+struct ShadowRay_0
+{
+    float hitDistance_0;
+};
+
+layout(location = 1)
+rayPayloadEXT
+ShadowRay_0 p_1;
+
 layout(binding = 0)
 uniform texture2D samplerPosition_0;
 
@@ -11,11 +28,10 @@ uniform sampler sampler_0;
 
 layout(binding = 1)
 uniform texture2D samplerNormal_0;
-
 struct Light_0
 {
     vec4 position_0;
-    vec4 color_0;
+    vec4 color_1;
 };
 
 struct Uniforms_0
@@ -31,15 +47,6 @@ layout(std140) uniform _S1
 {
     Uniforms_0 _data;
 } ubo_0;
-struct ShadowRay_0
-{
-    float hitDistance_0;
-};
-
-layout(location = 0)
-rayPayloadEXT
-ShadowRay_0 p_0;
-
 struct RayDesc_0
 {
     vec3 Origin_0;
@@ -50,26 +57,17 @@ struct RayDesc_0
 
 void TraceRay_0(accelerationStructureEXT AccelerationStructure_0, uint RayFlags_0, uint InstanceInclusionMask_0, uint RayContributionToHitGroupIndex_0, uint MultiplierForGeometryContributionToHitGroupIndex_0, uint MissShaderIndex_0, RayDesc_0 Ray_0, inout ShadowRay_0 Payload_0)
 {
-    p_0 = Payload_0;
-    traceRayEXT(AccelerationStructure_0, RayFlags_0, InstanceInclusionMask_0, RayContributionToHitGroupIndex_0, MultiplierForGeometryContributionToHitGroupIndex_0, MissShaderIndex_0, Ray_0.Origin_0, Ray_0.TMin_0, Ray_0.Direction_0, Ray_0.TMax_0, (0));
-    Payload_0 = p_0;
+    p_1 = Payload_0;
+    traceRayEXT(AccelerationStructure_0, RayFlags_0, InstanceInclusionMask_0, RayContributionToHitGroupIndex_0, MultiplierForGeometryContributionToHitGroupIndex_0, MissShaderIndex_0, Ray_0.Origin_0, Ray_0.TMin_0, Ray_0.Direction_0, Ray_0.TMax_0, (1));
+    Payload_0 = p_1;
     return;
 }
 
-struct ReflectionRay_0
-{
-    float color_1;
-};
-
-layout(location = 1)
-rayPayloadEXT
-ReflectionRay_0 p_1;
-
 void TraceRay_1(accelerationStructureEXT AccelerationStructure_1, uint RayFlags_1, uint InstanceInclusionMask_1, uint RayContributionToHitGroupIndex_1, uint MultiplierForGeometryContributionToHitGroupIndex_1, uint MissShaderIndex_1, RayDesc_0 Ray_1, inout ReflectionRay_0 Payload_1)
 {
-    p_1 = Payload_1;
-    traceRayEXT(AccelerationStructure_1, RayFlags_1, InstanceInclusionMask_1, RayContributionToHitGroupIndex_1, MultiplierForGeometryContributionToHitGroupIndex_1, MissShaderIndex_1, Ray_1.Origin_0, Ray_1.TMin_0, Ray_1.Direction_0, Ray_1.TMax_0, (1));
-    Payload_1 = p_1;
+    p_0 = Payload_1;
+    traceRayEXT(AccelerationStructure_1, RayFlags_1, InstanceInclusionMask_1, RayContributionToHitGroupIndex_1, MultiplierForGeometryContributionToHitGroupIndex_1, MissShaderIndex_1, Ray_1.Origin_0, Ray_1.TMin_0, Ray_1.Direction_0, Ray_1.TMax_0, (0));
+    Payload_1 = p_0;
     return;
 }
 
@@ -78,7 +76,7 @@ uniform accelerationStructureEXT as_0;
 
 float saturate_0(float x_0)
 {
-    float _S2 = clamp(x_0, float(0), float(1));
+    float _S2 = clamp(x_0, 0.0, 1.0);
     return _S2;
 }
 
@@ -88,48 +86,51 @@ uniform image2D outputImage_0;
 
 void main()
 {
-    float atten_0;
     uvec3 _S3 = ((gl_LaunchIDEXT));
-    float _S4 = float(_S3.x) + 0.50000000000000000000;
+    float _S4 = float(_S3.x) + 0.5;
     uvec3 _S5 = ((gl_LaunchSizeEXT));
     float _S6 = _S4 / float(_S5.x);
     uvec3 _S7 = ((gl_LaunchIDEXT));
-    float _S8 = float(_S7.y) + 0.50000000000000000000;
+    float _S8 = float(_S7.y) + 0.5;
     uvec3 _S9 = ((gl_LaunchSizeEXT));
     float _S10 = _S8 / float(_S9.y);
     vec2 inUV_0 = vec2(_S6, _S10);
     vec4 _S11 = (texture(sampler2D(samplerPosition_0,sampler_0), (inUV_0)));
     vec3 P_0 = _S11.xyz;
     vec4 _S12 = (texture(sampler2D(samplerNormal_0,sampler_0), (inUV_0)));
-    vec3 N_0 = _S12.xyz * 2.00000000000000000000 - 1.00000000000000000000;
+    vec3 N_0 = _S12.xyz * 2.0 - 1.0;
+
     vec3 lightDelta_0 = ubo_0._data.light_0.position_0.xyz - P_0;
     float lightDist_0 = length(lightDelta_0);
     vec3 L_0 = normalize(lightDelta_0);
-    float _S13 = 1.00000000000000000000 / (lightDist_0 * lightDist_0);
+    float _S13 = 1.0 / (lightDist_0 * lightDist_0);
     RayDesc_0 ray_0;
     ray_0.Origin_0 = P_0;
-    ray_0.TMin_0 = 0.00000100000000000000;
+    ray_0.TMin_0 = 0.00000099999999747524;
     ray_0.Direction_0 = lightDelta_0;
     ray_0.TMax_0 = lightDist_0;
+
     ShadowRay_0 shadowRay_0;
-    shadowRay_0.hitDistance_0 = float(0);
-    TraceRay_0(as_0, uint(1), uint(255), uint(0), uint(0), uint(2), ray_0, shadowRay_0);
+    shadowRay_0.hitDistance_0 = 0.0;
+    TraceRay_0(as_0, 1U, 255U, 0U, 0U, 2U, ray_0, shadowRay_0);
+    float atten_0;
     if(shadowRay_0.hitDistance_0 < lightDist_0)
     {
-        atten_0 = 0.00000000000000000000;
+        atten_0 = 0.0;
     }
     else
     {
         atten_0 = _S13;
     }
-    vec3 _S14 = ubo_0._data.light_0.color_0.xyz;
+    vec3 _S14 = ubo_0._data.light_0.color_1.xyz;
     float _S15 = dot(N_0, L_0);
     float _S16 = saturate_0(_S15);
     vec3 color_2 = _S14 * _S16 * atten_0;
+
     ReflectionRay_0 reflectionRay_0;
-    TraceRay_1(as_0, uint(1), uint(255), uint(0), uint(0), uint(2), ray_0, reflectionRay_0);
-    vec3 color_3 = color_2 + reflectionRay_0.color_1;
+    TraceRay_1(as_0, 1U, 255U, 0U, 0U, 2U, ray_0, reflectionRay_0);
+    vec3 color_3 = color_2 + reflectionRay_0.color_0;
     uvec3 _S17 = ((gl_LaunchIDEXT));
-    imageStore((outputImage_0), ivec2((uvec2(ivec2(_S17.xy)))), vec4(color_3, 1.00000000000000000000));
+    imageStore((outputImage_0), ivec2((uvec2(ivec2(_S17.xy)))), vec4(color_3, 1.0));
     return;
 }