88da989ad7
change asset loading of images to be sRGB use wayland by default on linux unless we are running under renderdoc changed shaders to be combined vertex and fragment in a single file require Vulkan 1.3 and enable shaderDrawParameters
83 lines
1.8 KiB
Plaintext
83 lines
1.8 KiB
Plaintext
struct VertexShaderInput {
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// Per Vertex
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uint vertex_id : SV_VertexID;
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float3 pos;
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// Per Instance
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float4 pos_size;
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float4 uv0uv1;
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float4 uv2uv3;
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};
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struct VertexShaderOutput {
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float4 pos : SV_POSITION;
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float2 uv;
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};
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struct PixelShaderOutput {
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float4 color : SV_TARGET;
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};
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[[vk::binding(0, 1)]]
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cbuffer constants {
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float aspect_ratio;
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float fovy_degrees;
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float camera_x;
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float camera_y;
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float camera_z;
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uint map_width;
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};
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float4x4 projection(float fovy, float aspect, float near) {
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float g = 1.0 / tan(fovy * 0.5);
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return {
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g / aspect, 0, 0, 0,
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0, g, 0, 0,
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0, 0, 0, near,
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0, 0, 1, 0,
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};
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}
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float4x4 view(float3 pos) {
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return {
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1, 0, 0, -pos.x,
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0, 1, 0, -pos.y,
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0, 0, 1, -pos.z,
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0, 0, 0, 1,
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};
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}
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[shader("vertex")]
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VertexShaderOutput main_vertex(VertexShaderInput input) {
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VertexShaderOutput output;
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float fovy = radians(fovy_degrees);
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float4x4 view_matrix = view(float3(camera_x, -camera_y, camera_z));
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float4x4 projection_matrix = projection(fovy, aspect_ratio, 0.001);
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float4x4 view_projection_matrix = mul(projection_matrix, view_matrix);
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output.pos = mul(view_projection_matrix, float4(input.pos_size.xy * float2(1, -1) + input.pos.xy, 0, 1));
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switch(input.vertex_id) {
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case 0: output.uv = input.uv0uv1.xy; break;
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case 1: output.uv = input.uv0uv1.zw; break;
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case 2: output.uv = input.uv2uv3.xy; break;
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case 3: output.uv = input.uv2uv3.zw; break;
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}
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return output;
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}
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[[vk::binding(0, 2)]]
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Sampler2D<float4> tex1;
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[shader("pixel")]
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PixelShaderOutput main_fragment(VertexShaderOutput input) {
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PixelShaderOutput output;
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output.color = tex1.Sample(float2(input.uv));
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return output;
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}
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