30 lines
894 B
GLSL
30 lines
894 B
GLSL
#version 330 core
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// Struct to hold an array of diffuse textures
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struct TextureArray {
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sampler2D texture_diffuse[32]; // Array of diffuse texture samplers
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};
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// Uniforms
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uniform TextureArray uTextures; // Array of diffuse textures
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uniform int uNumDiffuseTextures; // Number of active diffuse textures
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// Input variables from the vertex shader
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in vec2 TexCoords; // Texture coordinates
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flat in int TextureIndex; // Texture index for this fragment
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// Output fragment color
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out vec4 FragColor;
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void main()
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{
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// Clamp the texture index to prevent out-of-bounds access
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int texIndex = clamp(TextureIndex, 0, uNumDiffuseTextures - 1);
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// Sample the texture using the provided index and texture coordinates
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vec4 sampledColor = texture(uTextures.texture_diffuse[texIndex], TexCoords);
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// Set the final fragment color
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FragColor = sampledColor;
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}
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