ca884587a4
Move `data/shaders` to `data/shaders/glsl` Move `data/hlsl` to `data/shaders/hlsl` Fix up shader paths in the cpp files to point to the new glsl location. `data/shaders/hlsl/compile.py` still overwrites the glsl .spv files (for now). Issue: #723
54 lines
No EOL
1.6 KiB
GLSL
54 lines
No EOL
1.6 KiB
GLSL
#version 450
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layout (set = 0, binding = 0) uniform UBO
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{
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mat4 projection;
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mat4 modelview;
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vec4 lightPos;
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vec4 frustumPlanes[6];
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float displacementFactor;
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float tessellationFactor;
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vec2 viewportDim;
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float tessellatedEdgeSize;
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} ubo;
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layout (set = 0, binding = 1) uniform sampler2D displacementMap;
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layout(quads, equal_spacing, cw) in;
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layout (location = 0) in vec3 inNormal[];
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layout (location = 1) in vec2 inUV[];
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layout (location = 0) out vec3 outNormal;
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layout (location = 1) out vec2 outUV;
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layout (location = 2) out vec3 outViewVec;
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layout (location = 3) out vec3 outLightVec;
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layout (location = 4) out vec3 outEyePos;
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layout (location = 5) out vec3 outWorldPos;
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void main()
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{
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// Interpolate UV coordinates
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vec2 uv1 = mix(inUV[0], inUV[1], gl_TessCoord.x);
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vec2 uv2 = mix(inUV[3], inUV[2], gl_TessCoord.x);
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outUV = mix(uv1, uv2, gl_TessCoord.y);
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vec3 n1 = mix(inNormal[0], inNormal[1], gl_TessCoord.x);
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vec3 n2 = mix(inNormal[3], inNormal[2], gl_TessCoord.x);
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outNormal = mix(n1, n2, gl_TessCoord.y);
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// Interpolate positions
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vec4 pos1 = mix(gl_in[0].gl_Position, gl_in[1].gl_Position, gl_TessCoord.x);
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vec4 pos2 = mix(gl_in[3].gl_Position, gl_in[2].gl_Position, gl_TessCoord.x);
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vec4 pos = mix(pos1, pos2, gl_TessCoord.y);
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// Displace
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pos.y -= textureLod(displacementMap, outUV, 0.0).r * ubo.displacementFactor;
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// Perspective projection
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gl_Position = ubo.projection * ubo.modelview * pos;
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// Calculate vectors for lighting based on tessellated position
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outViewVec = -pos.xyz;
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outLightVec = normalize(ubo.lightPos.xyz + outViewVec);
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outWorldPos = pos.xyz;
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outEyePos = vec3(ubo.modelview * pos);
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} |