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EXAMPLE: models_skybox works on OpenGL ES 2.0

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raysan5 2020-09-18 20:47:39 +02:00
parent 79d63e6ca1
commit b5d50ee51a
6 changed files with 22 additions and 58 deletions
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20
examples/models/resources/shaders/glsl100/skybox.fs
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@ -1,14 +1,6 @@
/*******************************************************************************************
*
* rPBR [shader] - Background skybox fragment shader
*
* Copyright (c) 2017 Victor Fisac
*
* 19-Jun-2020 - modified by Giuseppe Mastrangelo (@peppemas) - VFlip Support
*
**********************************************************************************************/
#version 100
#version 110
precision mediump float;
// Input vertex attributes (from vertex shader)
varying vec3 fragPosition;
@ -20,11 +12,13 @@ uniform bool vflipped;
void main()
{
// Fetch color from texture map
vec3 color = { 0.0 };
vec4 texelColor = vec4(0.0);
if (vflipped) color = texture2D(environmentMap, vec3(fragPosition.x, -fragPosition.y, fragPosition.z)).rgb;
else color = texture2D(environmentMap, fragPosition).rgb;
if (vflipped) texelColor = textureCube(environmentMap, vec3(fragPosition.x, -fragPosition.y, fragPosition.z));
else texelColor = textureCube(environmentMap, fragPosition);
vec3 color = vec3(texelColor.x, texelColor.y, texelColor.z);
// Apply gamma correction
color = color/(color + vec3(1.0));
color = pow(color, vec3(1.0/2.2));