50 lines
1.1 KiB
HLSL
50 lines
1.1 KiB
HLSL
|
#define PNANOVDB_HLSL
|
||
|
|
#define PNANOVDB_ADDRESS_64
|
||
|
|
#include "PNanoVDB.hlsl"
|
||
|
|
|
||
|
|
cbuffer CB0 : register(b1)
|
||
|
|
{
|
||
|
|
float4x4 _ViewProjection;
|
||
|
|
float3 _CameraPos;
|
||
|
|
float _DensityScale;
|
||
|
|
};
|
||
|
|
|
||
|
|
StructuredBuffer<uint> buf : register(t1);
|
||
|
|
|
||
|
|
struct VSInput
|
||
|
|
{
|
||
|
|
float3 position : POSITION;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct PSInput
|
||
|
|
{
|
||
|
|
float4 position : SV_POSITION;
|
||
|
|
float3 worldPos : TEXCOORD0;
|
||
|
|
};
|
||
|
|
|
||
|
|
PSInput MainVS(VSInput input)
|
||
|
|
{
|
||
|
|
PSInput output;
|
||
|
|
output.position = mul(_ViewProjection, float4(input.position, 1.0));
|
||
|
|
output.worldPos = input.position;
|
||
|
|
return output;
|
||
|
|
}
|
||
|
|
|
||
|
|
float4 MainPS(PSInput input) : SV_TARGET
|
||
|
|
{
|
||
|
|
pnanovdb_grid_handle_t grid;
|
||
|
|
grid.address.byte_offset = 0;
|
||
|
|
|
||
|
|
float3 worldBboxMin = float3(
|
||
|
|
(float)pnanovdb_grid_get_world_bbox(buf, grid, 0),
|
||
|
|
(float)pnanovdb_grid_get_world_bbox(buf, grid, 1),
|
||
|
|
(float)pnanovdb_grid_get_world_bbox(buf, grid, 2)
|
||
|
|
);
|
||
|
|
float3 worldBboxMax = float3(
|
||
|
|
(float)pnanovdb_grid_get_world_bbox(buf, grid, 3),
|
||
|
|
(float)pnanovdb_grid_get_world_bbox(buf, grid, 4),
|
||
|
|
(float)pnanovdb_grid_get_world_bbox(buf, grid, 5)
|
||
|
|
);
|
||
|
|
|
||
|
|
return float4(0.0, 1.0, 0.0, 1.0);
|
||
|
|
}
|