chaotickittyasteroid/voxel-test
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this shit is finally working

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catangent 2025-07-03 14:11:35 +01:00
parent f1dcc0f1b5
commit b781938559
5 changed files with 107 additions and 82 deletions
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30
resources/shaders/tiling.vs
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@ -4,17 +4,18 @@ in vec3 vertexPosition;
in vec2 vertexTexCoord;
in vec3 vertexNormal;
in vec2 vertexTileTexCoord;
in vec4 vertexMetadata1;
in uvec4 vertexMetadata1;
in uvec4 vertexOcclusionSides;
out vec2 fragTexCoord;
out vec3 fragNormal;
out vec2 fragTileTexCoord;
flat out int ambientOcclusionSide1;
flat out int ambientOcclusionSide2;
flat out int ambientOcclusionCorner1;
flat out int ambientOcclusionCorner2;
flat out int ambientOcclusionCorner3;
flat out uvec4 occlusionSides;
flat out int topLeftObscured;
flat out int topRightObscured;
flat out int bottomLeftObscured;
flat out int bottomRightObscured;
flat out int quadHeight;
flat out int quadWidth;
@ -24,16 +25,15 @@ void main() {
fragTexCoord = vertexTexCoord;
fragTileTexCoord = vertexTileTexCoord;
fragNormal = vertexNormal;
occlusionSides = vertexOcclusionSides;
gl_Position = mvp*vec4(vertexPosition, 1.0);
// metadata 1 parsing
ambientOcclusionSide1 = floatBitsToInt(vertexMetadata1.x);
ambientOcclusionSide2 = floatBitsToInt(vertexMetadata1.y);
int metadata1Z = floatBitsToInt(vertexMetadata1.z);
int metadata1W = floatBitsToInt(vertexMetadata1.w);
ambientOcclusionCorner1 = (metadata1Z & 0x1) >> 0; // Take 0th bit.
ambientOcclusionCorner2 = (metadata1Z & 0x2) >> 1; // Take 1st bit.
ambientOcclusionCorner3 = (metadata1Z & 0x4) >> 2; // Take 2nd bit.
quadHeight = (metadata1Z & 0x1f8) >> 3; // Take 3rd-8th bits.
quadWidth = (metadata1Z & 0x7e00) >> 9; // Take 9th-14th bits.
int metadata1W = int(vertexMetadata1.w);
topLeftObscured = (metadata1W & 0x1); // Take 0th bit.
topRightObscured = (metadata1W & 0x2) >> 1; // Take 1st bits.
bottomLeftObscured = (metadata1W & 0x4) >> 2; // Take 2nd bits.
bottomRightObscured = (metadata1W & 0x8) >> 3; // Take 3rd bits.
quadHeight = (metadata1W & 0x3f0) >> 4; // Take 4rd-9th bits.
quadWidth = (metadata1W & 0xfc00) >> 10; // Take 10th-16th bits.
}