76 lines
2.0 KiB
Plaintext
76 lines
2.0 KiB
Plaintext
struct RenderElementStyle
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{
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float3 position;
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uint backgroundImageIndex;
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float3 backgroundColor;
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float opacity;
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//float4 borderBottomColor;
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//float4 borderLeftColor;
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//float4 borderRightColor;
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//float4 borderTopColor;
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//float borderBottomLeftRadius;
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//float borderBottomRightRadius;
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//float borderTopLeftRadius;
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//float borderTopRightRadius;
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float2 dimensions;
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};
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struct ViewData
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{
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float4x4 projectionMatrix;
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};
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layout(set = 0, binding = 0)
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ConstantBuffer<ViewData> viewData;
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layout(set = 0, binding = 1)
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SamplerState backgroundSampler;
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layout(set = 0, binding = 2)
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ConstantBuffer<uint> numBackgroundTextures;
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layout(set = 0, binding = 3)
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Texture2D<float4> backgroundTextures[];
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struct VertexStageOutput
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{
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float4 position : SV_Position;
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float2 texCoords : TEXCOORD;
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RenderElementStyle style : RENDER_STYLE;
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};
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[shader("vertex")]
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VertexStageOutput vertexMain(uint vertexId : SV_VertexID, RenderElementStyle style)
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{
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float xMin = style.position.x;
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float xMax = xMin + style.dimensions.x;
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float yMin = style.position.y;
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float yMax = yMin + style.dimensions.y;
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float4 coordinates[] = {
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float4(xMin, yMin, 0, 0),
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float4(xMin, yMax, 0, 1),
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float4(xMax, yMin, 1, 0),
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float4(xMax, yMax, 1, 1)
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};
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VertexStageOutput output;
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output.position = mul(viewData.projectionMatrix, float4(coordinates[vertexId].xy, style.position.z, 1));
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output.texCoords = coordinates[vertexId].zw;
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output.style = style;
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return output;
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}
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[shader("fragment")]
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float4 fragmentMain(
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float4 position : SV_Position,
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float2 texCoords : TEXCOORD,
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RenderElementStyle style : RENDER_STYLE
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) : SV_Target
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{
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float4 bgTextureColor = float4(1, 1, 1, 1);
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uint imageIndex = style.backgroundImageIndex;
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if(imageIndex < numBackgroundTextures)
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{
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bgTextureColor = backgroundTextures[imageIndex].Sample(backgroundSampler, texCoords);
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}
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return float4(style.backgroundColor, style.opacity) * bgTextureColor;
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} |