wehub-resource-sync
108 lines
2.8 KiB
HLSL
108 lines
2.8 KiB
HLSL
#include "shared/point.hlsl"
|
|
#include "shared/quat-functions.hlsl"
|
|
#include "shared/hash-functions.hlsl"
|
|
|
|
static const float3 Corners[] =
|
|
{
|
|
float3(-1, -1, 0),
|
|
float3(1, -1, 0),
|
|
float3(1, 1, 0),
|
|
float3(1, 1, 0),
|
|
float3(-1, 1, 0),
|
|
float3(-1, -1, 0),
|
|
};
|
|
|
|
cbuffer Transforms : register(b0)
|
|
{
|
|
float4x4 CameraToClipSpace;
|
|
float4x4 ClipSpaceToCamera;
|
|
float4x4 WorldToCamera;
|
|
float4x4 CameraToWorld;
|
|
float4x4 WorldToClipSpace;
|
|
float4x4 ClipSpaceToWorld;
|
|
float4x4 ObjectToWorld;
|
|
float4x4 WorldToObject;
|
|
float4x4 ObjectToCamera;
|
|
float4x4 ObjectToClipSpace;
|
|
};
|
|
|
|
cbuffer Params : register(b2)
|
|
{
|
|
float4 Color;
|
|
|
|
float2 Stretch;
|
|
float2 Offset;
|
|
|
|
float Size;
|
|
float UseWForSize;
|
|
float __padding;
|
|
float Rotate;
|
|
|
|
float3 RotateAxis;
|
|
float TextureCellsX;
|
|
float TextureCellsY;
|
|
float AtlasMode;
|
|
};
|
|
|
|
struct psInput
|
|
{
|
|
float4 position : SV_POSITION;
|
|
float4 color : COLOR;
|
|
float2 texCoord : TEXCOORD;
|
|
};
|
|
|
|
sampler texSampler : register(s0);
|
|
|
|
StructuredBuffer<Point> Points : t0;
|
|
Texture2D<float4> texture2 : register(t1);
|
|
|
|
psInput vsMain(uint id : SV_VertexID)
|
|
{
|
|
psInput output;
|
|
float discardFactor = 1;
|
|
int quadIndex = id % 6;
|
|
int particleId = id / 6;
|
|
float3 cornerFactors = Corners[quadIndex];
|
|
|
|
Point p = Points[particleId];
|
|
|
|
float2 atlasResolution = 1. / float2(TextureCellsX, TextureCellsY);
|
|
float atlasRatio = (float)TextureCellsX / TextureCellsY;
|
|
|
|
// axis.xy = (axis.xy + Offset) * Stretch;
|
|
// axis.z = 0;
|
|
|
|
// float4 rotation = qMul(normalize(p.Rotation), qFromAngleAxis((Rotate + 180) / 180 * PI, RotateAxis));
|
|
|
|
float4 rotation = p.Rotation;
|
|
float3 axis = float3((cornerFactors.xy + Offset) * Stretch, 0);
|
|
axis = qRotateVec3(axis, rotation) * Size * lerp(1, p.FX1, UseWForSize);
|
|
|
|
float3 pInObject = p.Position + axis;
|
|
output.position = mul(float4(pInObject, 1), ObjectToClipSpace);
|
|
|
|
output.texCoord = cornerFactors.xy / 2 + 0.5;
|
|
|
|
int randomParticleId = AtlasMode < 0.5 ? (int)(hash11((particleId + 13.2) * 123.17) * 12345.3)
|
|
: particleId % int(TextureCellsX * TextureCellsY + 0.1);
|
|
|
|
float textureCelX = (float)randomParticleId % (TextureCellsX);
|
|
float textureCelY = (int)(((float)randomParticleId / TextureCellsX) % (float)(TextureCellsY));
|
|
|
|
// output.texCoord = float2(textureCelX, textureCelY) * 1;
|
|
output.texCoord *= atlasResolution;
|
|
output.texCoord += atlasResolution * float2(textureCelX, textureCelY);
|
|
|
|
output.color = Color * p.Color;
|
|
return output;
|
|
}
|
|
|
|
float4 psMain(psInput input) : SV_TARGET
|
|
{
|
|
// return float4(input.texCoord, 0,1);
|
|
float4 imgColor = texture2.Sample(texSampler, input.texCoord);
|
|
float4 color = input.color * imgColor;
|
|
|
|
return clamp(float4(color.rgb, color.a), 0, float4(100, 100, 100, 1));
|
|
}
|