115 lines
No EOL
4.5 KiB
GLSL
115 lines
No EOL
4.5 KiB
GLSL
#version 450
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layout(location = 0) flat in uvec2 fragRasterPos;
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layout(location = 1) flat in uint fragVolumeStart;
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layout(location = 2) in vec3 origPosition;
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layout(location = 3) flat in uint facing;
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layout(location = 0) out vec4 outColor;
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layout(binding = 2) buffer SceneInfoBuffer{
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uint infos[];
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} scene_info;
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uvec4 unpack_color(uint val) {
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// left most 8 bits first
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uint val1 = (val >> 24);
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uint val2 = (val << 8) >> 24;
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uint val3 = (val << 16) >> 24;
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uint val4 = (val << 24) >> 24;
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return uvec4(val1, val2, val3, val4);
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}
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uvec4 sample_from_scene_info(uint volume_start, uvec2 raster_pos, uint f) {
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uint array_descr_start = volume_start + 3;
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uint color_array_start = array_descr_start + 24;
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uint top_color_size_u = scene_info.infos[array_descr_start];
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uint top_color_size_v = scene_info.infos[array_descr_start + 1];
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uint bottom_color_size_u = scene_info.infos[array_descr_start + 2];
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uint bottom_color_size_v = scene_info.infos[array_descr_start + 3];
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uint left_color_size_u = scene_info.infos[array_descr_start + 4];
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uint left_color_size_v = scene_info.infos[array_descr_start + 5];
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uint right_color_size_u = scene_info.infos[array_descr_start + 6];
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uint right_color_size_v = scene_info.infos[array_descr_start + 7];
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uint front_color_size_u = scene_info.infos[array_descr_start + 8];
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uint front_color_size_v = scene_info.infos[array_descr_start + 9];
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uint back_color_size_u = scene_info.infos[array_descr_start + 10];
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uint back_color_size_v = scene_info.infos[array_descr_start + 11];
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uint top_neighbor_size_u = scene_info.infos[array_descr_start + 12];
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uint top_neighbor_size_v = scene_info.infos[array_descr_start + 13];
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/*uint bottom_neighbor_size_u = scene_info.infos[array_descr_start + 14];
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uint bottom_neighbor_size_v = scene_info.infos[array_descr_start + 15];
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uint left_neighbor_size_u = scene_info.infos[array_descr_start + 16];
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uint left_neighbor_size_v = scene_info.infos[array_descr_start + 17];
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uint right_neighbor_size_u = scene_info.infos[array_descr_start + 18];
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uint right_neighbor_size_v = scene_info.infos[array_descr_start + 19];
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uint front_neighbor_size_u = scene_info.infos[array_descr_start + 20];
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uint front_neighbor_size_v = scene_info.infos[array_descr_start + 21];
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uint back_neighbor_size_u = scene_info.infos[array_descr_start + 22];
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uint back_neighbor_size_v = scene_info.infos[array_descr_start + 23];*/
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uint top_size = top_color_size_u * top_color_size_v;
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uint bottom_size = bottom_color_size_u * bottom_color_size_v;
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uint left_size = left_color_size_u * left_color_size_v;
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uint right_size = right_color_size_u * right_color_size_v;
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uint front_size = front_color_size_u * front_color_size_v;
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uint back_size = back_color_size_u * back_color_size_v;
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// maybe do an array solution for this as well
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uint array_start = color_array_start + uint(f > 0) * top_size + uint(f > 1) * bottom_size + uint(f > 2) * left_size + uint(f > 3) * right_size + uint(f > 4) * front_size;
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uint us[6] = {top_color_size_u, bottom_color_size_u, left_color_size_u, right_color_size_u, front_color_size_u, back_color_size_u};
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uint vs[6] = {top_color_size_v, bottom_color_size_v, left_color_size_v, right_color_size_v, front_color_size_v, back_color_size_v};
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uint u_size = us[f];
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uint v_size = vs[f];
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uint value = scene_info.infos[array_start + raster_pos.x * v_size + raster_pos.y];
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if (top_color_size_v == 0) {
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return uvec4(255, 0, 0, 255);
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}
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return unpack_color(value);
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}
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void main() {
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uint max_length = scene_info.infos[0];
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uint last = scene_info.infos[max_length];
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uvec4 color_roughness = sample_from_scene_info(fragVolumeStart, fragRasterPos, facing);
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outColor = vec4(float(color_roughness.x) / 255.0, float(color_roughness.y) / 255.0, float(color_roughness.z) / 255.0, 1);
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/*if (scene_info.infos[1] == 16) {
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outColor = vec4(0, 1, 0, 1);
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}*/
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/*if (fragVolumeStart == 1 && scene_info.infos[fragVolumeStart] == 16) {
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outColor = vec4(0, 1, 0, 1);
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}*/
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/*if (facing == 0) {
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outColor = vec4(1, 0, 0, 1);
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} else if (facing == 1) {
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outColor = vec4(0, 1, 1, 1);
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} else if (facing == 2) {
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outColor = vec4(0, 1, 0, 1);
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} else if (facing == 3) {
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outColor = vec4(1, 0, 1, 1);
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} else if (facing == 4) {
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outColor = vec4(0, 0, 1, 1);
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} else if (facing == 5) {
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outColor = vec4(1, 1, 0, 1);
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}*/
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} |