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Fixes gl state after HDR texture functions. (#1621)

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Updates skybox demo to show how to do both HDR and non HDR skyboxes

Co-authored-by: Jeffery Myers <JefMyers@blizzard.com>
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Jeffery Myers 2021-02-28 14:31:25 -08:00 • committed by GitHub
parent b64fe4dfed
commit 0f10c44578
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5 changed files with 67 additions and 28 deletions
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9
examples/models/resources/shaders/glsl330/skybox.fs
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@ -16,6 +16,7 @@ in vec3 fragPosition;
// Input uniform values
uniform samplerCube environmentMap;
uniform bool vflipped;
uniform bool doGamma;
// Output fragment color
out vec4 finalColor;
@ -28,9 +29,11 @@ void main()
if (vflipped) color = texture(environmentMap, vec3(fragPosition.x, -fragPosition.y, fragPosition.z)).rgb;
else color = texture(environmentMap, fragPosition).rgb;
// Apply gamma correction
color = color/(color + vec3(1.0));
color = pow(color, vec3(1.0/2.2));
if (doGamma)// Apply gamma correction
{
color = color/(color + vec3(1.0));
color = pow(color, vec3(1.0/2.2));
}
// Calculate final fragment color
finalColor = vec4(color, 1.0);