96 lines
No EOL
2.5 KiB
GLSL
96 lines
No EOL
2.5 KiB
GLSL
#version 450
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layout(location = 0) in uint inPackedVertex;
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layout(location = 0) out vec4 outPos;
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layout(location = 1) out vec3 outNormal;
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layout(location = 2) out vec3 outTangent;
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layout(location = 3) out vec3 outBitangent;
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layout(location = 4) out vec2 outTextCoords;
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layout(location = 5) out mat4 viewMatrix;
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const vec3 NORMALS[6] = vec3[6](
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vec3( 0.0, 1.0, 0.0),
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vec3( 0.0, -1.0, 0.0),
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vec3( 1.0, 0.0, 0.0),
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vec3(-1.0, 0.0, 0.0),
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vec3( 0.0, 0.0, 1.0),
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vec3( 0.0, 0.0, -1.0)
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);
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const vec3 TANGENTS[6] = vec3[6](
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vec3( 1.0, 0.0, 0.0),
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vec3( 1.0, 0.0, 0.0),
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vec3( 0.0, 0.0, -1.0),
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vec3( 0.0, 0.0, 1.0),
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vec3( 1.0, 0.0, 0.0),
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vec3(-1.0, 0.0, 0.0)
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);
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const vec3 BITANGENTS[6] = vec3[6](
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vec3( 0.0, 0.0, 1.0),
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vec3( 0.0, 0.0, -1.0),
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vec3( 0.0, 1.0, 0.0),
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vec3( 0.0, 1.0, 0.0),
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vec3( 0.0, 1.0, 0.0),
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vec3( 0.0, 1.0, 0.0)
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);
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const vec2 CORNER_UVS[16] = vec2[16](
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vec2(0.5, 0.0),
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vec2(0.5, 0.5),
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vec2(1.0, 0.5),
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vec2(1.0, 0.0),
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vec2(0.0, 0.5),
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vec2(0.0, 1.0),
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vec2(0.5, 1.0),
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vec2(0.5, 0.5),
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vec2(0.5, 0.0),
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vec2(0.5, 0.5),
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vec2(1.0, 0.5),
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vec2(1.0, 0.0),
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vec2(0.5, 0.0),
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vec2(0.5, 0.5),
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vec2(1.0, 0.5),
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vec2(1.0, 0.0)
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);
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layout(set = 0, binding = 0) uniform ProjUniform { mat4 matrix; } projUniform;
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layout(set = 1, binding = 0) uniform ViewUniform { mat4 matrix; } viewUniform;
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layout(push_constant) uniform pc {
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vec4 ModelOffset;
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vec4 Padding0;
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vec4 Padding1;
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vec4 Padding2;
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} push_constants;
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void main() {
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viewMatrix = viewUniform.matrix;
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uint posX = inPackedVertex & 0x1Fu;
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uint posY = (inPackedVertex >> 5u) & 0x1Fu;
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uint posZ = (inPackedVertex >> 10u) & 0x1Fu;
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uint faceIdx = (inPackedVertex >> 15u) & 0x7u;
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uint cornerIdx = (inPackedVertex >> 18u) & 0x3u;
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uint matId = (inPackedVertex >> 20u) & 0xFFu;
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vec3 inPos = vec3(posX, posY, posZ) + push_constants.ModelOffset.xyz * 16.0;
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vec3 inNormal = NORMALS[faceIdx];
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vec3 inTangent = TANGENTS[faceIdx];
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vec3 inBitangent = BITANGENTS[faceIdx];
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vec2 inTextCoords = CORNER_UVS[cornerIdx + 4 * matId];
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vec4 worldPos = vec4(inPos, 1.0);
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gl_Position = projUniform.matrix * viewUniform.matrix * worldPos;
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outPos = worldPos;
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outNormal = inNormal;
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outTangent = inTangent;
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outBitangent = inBitangent;
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outTextCoords = inTextCoords;
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} |