HDR output buffer (WIP)

2022-02-15 23:37:42 +08:00
parent a628fdb434
commit 326253a73b
5 changed files with 34 additions and 13 deletions
--- a/internal/asset/shader/world/output.frag
+++ b/internal/asset/shader/world/output.frag
@@ -1,10 +1,15 @@
 #version 330

 uniform sampler2D tex;
+uniform float gamma, exposure;

 in vec2 fragPosScreen;
 out vec4 outputColor;

 void main() {
-    outputColor = texture(tex, fragPosScreen);
+    vec4 texColor = texture(tex, fragPosScreen);
+	if (texColor.a < 1e-4)
+		discard;
+
+	outputColor = vec4(pow(texColor.rgb / exposure, vec3(1.0/gamma)), 1.0f);
 }