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Initial environment loading (not working)

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Dynamitos
2025-04-04 14:44:53 +02:00
parent 4a34220cd7
commit aa1f037cb5
41 changed files with 553 additions and 208 deletions
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res/shaders/EnvironmentMapping.slang
+95
View File
@@ -0,0 +1,95 @@
struct VertexOutput
{
float4 svPos : SV_Position;
float3 localPos : LOCALPOS;
};
const static float3 vertices[] = {
// Back
float3(-1, -1, 1),
float3(-1, 1, 1),
float3( 1, -1, 1),
float3( 1, -1, 1),
float3(-1, 1, 1),
float3( 1, 1, 1),
// Front
float3( 1, -1, -1),
float3( 1, 1, -1),
float3(-1, -1, -1),
float3(-1, -1, -1),
float3( 1, 1, -1),
float3(-1, 1, -1),
// Top
float3(-1, -1, -1),
float3(-1, -1, 1),
float3( 1, -1, -1),
float3( 1, -1, -1),
float3(-1, -1, 1),
float3( 1, -1, 1),
// Bottom
float3(-1, 1, 1),
float3(-1, 1, -1),
float3( 1, 1, 1),
float3( 1, 1, 1),
float3(-1, 1, -1),
float3( 1, 1, -1),
// Left
float3(-1, -1, -1),
float3(-1, 1, -1),
float3(-1, -1, 1),
float3(-1, -1, 1),
float3(-1, 1, -1),
float3(-1, 1, 1),
// Right
float3( 1, -1, 1),
float3( 1, 1, 1),
float3( 1, -1, -1),
float3( 1, -1, -1),
float3( 1, 1, 1),
float3( 1, 1, -1),
};
struct ViewParams
{
float4x4 view[6];
float4x4 projection;
Texture2D equirectangularMap;
SamplerState sampler;
};
ParameterBlock<ViewParams> pViewParams;
[shader("vertex")]
VertexOutput vertMain(uint vertexIndex : SV_VertexID, uint viewIndex : SV_ViewID)
{
VertexOutput output;
output.localPos = vertices[vertexIndex + 6 * viewIndex];
output.svPos = mul(pViewParams.projection, mul(pViewParams.view[viewIndex], float4(vertices[vertexIndex], 1)));
return output;
}
const static float2 invAtan = float2(0.1591, 0.3183);
float2 sampleSphericalMap(float3 v)
{
float2 uv = float2(atan(v.z / v.x), asin(v.y));
uv *= invAtan;
uv += 0.5;
return uv;
}
[shader("fragment")]
float4 fragMain(float3 localPos : LOCALPOS) : SV_Target
{
float2 uv = sampleSphericalMap(normalize(localPos));
float3 color = pViewParams.equirectangularMap.Sample(pViewParams.sampler, uv).rgb;
return float4(color, 1);
}
res/shaders/Skybox.slang
+56 -56
View File
@@ -12,66 +12,66 @@ struct SkyboxData
};
ParameterBlock<SkyboxData> pSkyboxData;
const static float3 vertices[] = {
// Back
float3(-512, -512, 512),
float3(-512, 512, 512),
float3( 512, -512, 512),
float3( 512, -512, 512),
float3(-512, 512, 512),
float3( 512, 512, 512),
// Front
float3( 512, -512, -512),
float3( 512, 512, -512),
float3(-512, -512, -512),
float3(-512, -512, -512),
float3( 512, 512, -512),
float3(-512, 512, -512),
// Top
float3(-512, -512, -512),
float3(-512, -512, 512),
float3( 512, -512, -512),
float3( 512, -512, -512),
float3(-512, -512, 512),
float3( 512, -512, 512),
// Bottom
float3(-512, 512, 512),
float3(-512, 512, -512),
float3( 512, 512, 512),
float3( 512, 512, 512),
float3(-512, 512, -512),
float3( 512, 512, -512),
// Left
float3(-512, -512, -512),
float3(-512, 512, -512),
float3(-512, -512, 512),
float3(-512, -512, 512),
float3(-512, 512, -512),
float3(-512, 512, 512),
// Right
float3( 512, -512, 512),
float3( 512, 512, 512),
float3( 512, -512, -512),
float3( 512, -512, -512),
float3( 512, 512, 512),
float3( 512, 512, -512),
};
[shader("vertex")]
VertexShaderOutput vertexMain(
uint vertexIndex : SV_VertexId)
{
const float3 vertices[] = {
// Back
float3(-512, -512, 512),
float3(-512, 512, 512),
float3( 512, -512, 512),
float3( 512, -512, 512),
float3(-512, 512, 512),
float3( 512, 512, 512),
// Front
float3( 512, -512, -512),
float3( 512, 512, -512),
float3(-512, -512, -512),
float3(-512, -512, -512),
float3( 512, 512, -512),
float3(-512, 512, -512),
// Top
float3(-512, -512, -512),
float3(-512, -512, 512),
float3( 512, -512, -512),
float3( 512, -512, -512),
float3(-512, -512, 512),
float3( 512, -512, 512),
// Bottom
float3(-512, 512, 512),
float3(-512, 512, -512),
float3( 512, 512, 512),
float3( 512, 512, 512),
float3(-512, 512, -512),
float3( 512, 512, -512),
// Left
float3(-512, -512, -512),
float3(-512, 512, -512),
float3(-512, -512, 512),
float3(-512, -512, 512),
float3(-512, 512, -512),
float3(-512, 512, 512),
// Right
float3( 512, -512, 512),
float3( 512, 512, 512),
float3( 512, -512, -512),
float3( 512, -512, -512),
float3( 512, 512, 512),
float3( 512, 512, -512),
};
VertexShaderOutput output;
float3x3 cameraRotation = float3x3(pViewParams.viewMatrix);
float4 worldPos = float4(mul(cameraRotation, vertices[vertexIndex]), 1.0f);