54 lines
1.4 KiB
Plaintext
54 lines
1.4 KiB
Plaintext
import Common;
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struct VertexShaderInput
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{
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float3 position;
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};
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struct VertexShaderOutput
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{
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float4 clipPos : SV_Position;
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float3 texCoords;
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};
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struct SkyboxData
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{
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float4x4 transformMatrix;
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float4 fogBlend;
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};
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ParameterBuffer<SkyboxData> gSkyboxData;
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[shader("vertex")]
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VertexShaderOutput vertexMain(
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VertexShaderInput input)
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{
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VertexShaderOutput output;
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float3x3 cameraRotation = float3x3(gViewParams.viewMatrix);
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float4 worldPos = float4(mul(cameraRotation, input.position), 1.0f);
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//clip(dot(worldPos, clipPlane));
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output.clipPos = mul(gViewParams.projectionMatrix, worldPos);
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output.texCoords = normalize(input.position);
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return output;
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}
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struct TextureData
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{
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TextureCube cubeMap;
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TextureCube cubeMap2;
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SamplerState sampler;
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};
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ParameterBuffer<TextureData> textures;
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static const float lowerLimit = 0.0;
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static const float upperLimit = 0.1;
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[shader("fragment")]
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float4 fragmentMain(
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VertexShaderOutput output) : SV_Target
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{
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float4 texture1 = textures.cubeMap.Sample(textures.sampler, output.texCoords);
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float4 texture2 = textures.cubeMap2.Sample(textures.sampler, output.texCoords);
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float4 finalColor = lerp(texture1, texture2, gSkyboxData.fogBlend.w);
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float factor = (output.texCoords.y - lowerLimit) / (upperLimit - lowerLimit);
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factor = clamp(factor, 0.0, 1.0);
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return lerp(float4(gSkyboxData.fogBlend.xyz, 1), finalColor, factor);
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} |