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Added new example - [shader] render depth texture

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This commit is contained in:
luis605 2025-03-26 16:59:05 +00:00
parent beaadc9185
commit e08fc8ab80
3 changed files with 183 additions and 41 deletions
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35
examples/shaders/resources/shaders/glsl100/depth.fs
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@ -1,26 +1,19 @@
#version 100
precision mediump float;
in vec2 fragTexCoord;
out vec4 finalColor;
uniform sampler2D depthTexture;
// Input vertex attributes (from vertex shader)
varying vec2 fragTexCoord;
varying vec4 fragColor;
// Input uniform values
uniform sampler2D texture0; // Depth texture
uniform vec4 colDiffuse;
// NOTE: Add your custom variables here
void main()
float linearizeDepth(float depth)
{
float zNear = 0.01; // camera z near
float zFar = 10.0; // camera z far
float z = texture2D(texture0, fragTexCoord).x;
float n = 0.1; // near plane
float f = 100.0; // far plane
return (2.0 * n) / (f + n - depth * (f - n));
}
// Linearize depth value
float depth = (2.0*zNear)/(zFar + zNear - z*(zFar - zNear));
// Calculate final fragment color
gl_FragColor = vec4(depth, depth, depth, 1.0);
}
void main() {
vec2 flippedTexCoord = vec2(fragTexCoord.x, 1.0 - fragTexCoord.y);
float depth = texture(depthTexture, flippedTexCoord).r;
float linearDepth = linearizeDepth(depth);
finalColor = vec4(vec3(linearDepth), 1.0);
}

32
examples/shaders/resources/shaders/glsl330/depth.fs
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@ -1,27 +1,19 @@
#version 330
// Input vertex attributes (from vertex shader)
in vec2 fragTexCoord;
in vec4 fragColor;
// Input uniform values
uniform sampler2D texture0; // Depth texture
uniform vec4 colDiffuse;
// Output fragment color
out vec4 finalColor;
uniform sampler2D depthTexture;
// NOTE: Add your custom variables here
void main()
float linearizeDepth(float depth)
{
float zNear = 0.01; // camera z near
float zFar = 10.0; // camera z far
float z = texture(texture0, fragTexCoord).x;
float n = 0.1; // near plane
float f = 100.0; // far plane
return (2.0 * n) / (f + n - depth * (f - n));
}
// Linearize depth value
float depth = (2.0*zNear)/(zFar + zNear - z*(zFar - zNear));
// Calculate final fragment color
finalColor = vec4(depth, depth, depth, 1.0);
}
void main() {
vec2 flippedTexCoord = vec2(fragTexCoord.x, 1.0 - fragTexCoord.y);
float depth = texture(depthTexture, flippedTexCoord).r;
float linearDepth = linearizeDepth(depth);
finalColor = vec4(vec3(linearDepth), 1.0);
}