curioustorvald/Terrarum
1
0
Fork 0
mirror of https://github.com/curioustorvald/Terrarum.git synced 2026-03-09 13:21:51 +09:00
Code Issues Packages Projects Releases Wiki Activity

floating points packing for shaders

Browse Source
This commit is contained in:
minjaesong
2023-09-25 19:09:26 +09:00
parent 7623b120ac
commit 2c9f3ce1e5
5 changed files with 16 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/shaders/clouds.frag
View File

@@ -2,7 +2,7 @@
in vec4 v_color; // lightCol
in vec4 v_generic; // [rgb gamma, a gamma, shadiness, 0]
in vec4 v_generic; // [rgb gamma + a gamma, shadiness, 0, 0]
in vec2 v_texCoords;
uniform sampler2D u_texture;
out vec4 fragColor;
@@ -16,9 +16,9 @@ vec4 shadeVec = vec4(1.0 + 3.333 * v_generic.z, 1.0 + 3.333 * v_generic.z, 1.0 +
void main() {
vec4 cloudCol = v_color;
float rgbGamma = v_generic.x;
float aGamma = v_generic.y;
vec4 gamma = v_generic.xxxy;
float rgbGamma = uintBitsToFloat(floatBitsToUint(v_generic.x) & 0xffff0000u);
float aGamma = uintBitsToFloat((floatBitsToUint(v_generic.x) & 0x0000ffffu) << 16);
vec4 gamma = vec4(rgbGamma, rgbGamma, rgbGamma, aGamma);
vec4 range = vec4(vec3(min(rgbGamma, 1.0 / rgbGamma)), 1.0);
vec4 offset = vec4(vec3(max(0.0, 1.0 - rgbGamma)), 0.0);