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[examples] Fix PBR and Shadowmap example shaders for GLSL 1.20 (#4167)

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* Update pbr.fs

remove presicion mediump float because it is for GLES, and not desktop GL

* Fix shadowmap.fs

also suffers the same problem as pbr.fs
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CDM15y 2024-07-20 09:42:55 +01:00 • committed by GitHub
parent aa70d32786
commit 2d94d8d06d
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2 changed files with 10 additions and 14 deletions
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16
examples/shaders/resources/shaders/glsl120/pbr.fs
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@ -1,7 +1,5 @@
#version 120 #version 120
precision mediump float;
#define MAX_LIGHTS 4 #define MAX_LIGHTS 4
#define LIGHT_DIRECTIONAL 0 #define LIGHT_DIRECTIONAL 0
#define LIGHT_POINT 1 #define LIGHT_POINT 1
@ -17,12 +15,12 @@ struct Light {
}; };
// Input vertex attributes (from vertex shader) // Input vertex attributes (from vertex shader)
varying in vec3 fragPosition; varying vec3 fragPosition;
varying in vec2 fragTexCoord; varying vec2 fragTexCoord;
varying in vec4 fragColor; varying vec4 fragColor;
varying in vec3 fragNormal; varying vec3 fragNormal;
varying in vec4 shadowPos; varying vec4 shadowPos;
varying in mat3 TBN; varying mat3 TBN;
// Input uniform values // Input uniform values
@ -153,4 +151,4 @@ void main()
gl_FragColor = vec4(color,1.0); gl_FragColor = vec4(color,1.0);
} }

8
examples/shaders/resources/shaders/glsl120/shadowmap.fs
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@ -1,15 +1,13 @@
#version 120 #version 120
precision mediump float;
// This shader is based on the basic lighting shader // This shader is based on the basic lighting shader
// This only supports one light, which is directional, and it (of course) supports shadows // This only supports one light, which is directional, and it (of course) supports shadows
// Input vertex attributes (from vertex shader) // Input vertex attributes (from vertex shader)
varying in vec3 fragPosition; varying vec3 fragPosition;
varying in vec2 fragTexCoord; varying vec2 fragTexCoord;
//varying in vec4 fragColor; //varying in vec4 fragColor;
varying in vec3 fragNormal; varying vec3 fragNormal;
// Input uniform values // Input uniform values
uniform sampler2D texture0; uniform sampler2D texture0;