veloren/voxygen/shaders/terrain.vert
Joshua Barretto 1684013138 Improved GPU memory usage by ~5x by compressing vertex data
Former-commit-id: b657ae88e44c6ecbede8073ffe17991ba3a99886
2019-05-22 19:32:33 +01:00

41 lines
665 B
GLSL

#version 330 core
#include <globals.glsl>
in uint v_pos;
in uint v_col_norm;
layout (std140)
uniform u_locals {
vec3 model_offs;
};
out vec3 f_pos;
out vec3 f_norm;
out vec3 f_col;
void main() {
f_pos = vec3(
float((v_pos >> 0) & 0x00FFu),
float((v_pos >> 8) & 0x00FFu),
float((v_pos >> 16) & 0xFFFFu)
);
f_norm = vec3(
float((v_col_norm >> 0) & 0x3u),
float((v_col_norm >> 2) & 0x3u),
float((v_col_norm >> 4) & 0x3u)
) - 1.0;
f_col = vec3(
float((v_col_norm >> 8) & 0xFFu),
float((v_col_norm >> 16) & 0xFFu),
float((v_col_norm >> 24) & 0xFFu)
) / 255.0;
gl_Position =
proj_mat *
view_mat *
vec4(f_pos + model_offs, 1);
}