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Fix no color values on bloom texture (#13197)

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Align meaning of 'exposure' variable across different stages
Put 'exposure' variable behind ENABLE_AUTO_EXPOSURE
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x2048 2023-02-10 21:04:37 +01:00 • committed by GitHub
parent d3a6ee00e6
commit 4cd6b773bb
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 29 additions and 9 deletions
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9
client/shaders/extract_bloom/opengl_vertex.glsl
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@ -1,18 +1,25 @@
#ifdef ENABLE_AUTO_EXPOSURE
#define exposureMap texture1
uniform sampler2D exposureMap;
varying float exposure;
#endif
#ifdef GL_ES
varying mediump vec2 varTexCoord;
#else
centroid varying vec2 varTexCoord;
#endif
varying float exposure;
void main(void)
{
#ifdef ENABLE_AUTO_EXPOSURE
// value in the texture is on a logarithtmic scale
exposure = texture2D(exposureMap, vec2(0.5)).r;
exposure = pow(2., exposure);
#endif
varTexCoord.st = inTexCoord0.st;
gl_Position = inVertexPosition;