64 lines
1.9 KiB
GLSL
64 lines
1.9 KiB
GLSL
#version 450
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#pragma shader_stage(fragment)
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#define FRAGMENT 1
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#define CUBEMAPS 1
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// #define MAX_TEXTURES TEXTURES
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#define MAX_TEXTURES textures.length()
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layout (constant_id = 0) const uint TEXTURES = 1;
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#include "../common/macros.h"
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#include "../common/structs.h"
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layout (binding = 5) uniform sampler2D samplerTextures[TEXTURES];
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layout (std140, binding = 6) readonly buffer Instances {
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Instance instances[];
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};
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layout (std140, binding = 7) readonly buffer Materials {
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Material materials[];
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};
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layout (std140, binding = 8) readonly buffer Textures {
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Texture textures[];
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};
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#include "../common/functions.h"
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layout (location = 0) in vec2 inUv;
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layout (location = 1) in vec2 inSt;
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layout (location = 2) in vec4 inColor;
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layout (location = 3) in vec3 inNormal;
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layout (location = 4) in mat3 inTBN;
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layout (location = 7) in vec3 inPosition;
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layout (location = 8) flat in uvec4 inId;
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void main() {
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const uint drawID = uint(inId.x);
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const uint instanceID = uint(inId.y);
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const uint materialID = uint(inId.z);
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const vec2 uv = wrap(inUv.xy);
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const Material material = materials[materialID];
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vec4 A = material.colorBase;
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surface.uv.xy = uv;
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surface.uv.z = mipLevel(dFdx(inUv), dFdy(inUv));
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// sample albedo
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// if ( !validTextureIndex( material.indexAlbedo ) ) discard; {
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if ( validTextureIndex( material.indexAlbedo ) ) {
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// const Texture t = textures[material.indexAlbedo];
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// A = textureLod( samplerTextures[nonuniformEXT(t.index)], mix( t.lerp.xy, t.lerp.zw, uv ), mip );
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A = sampleTexture( material.indexAlbedo );
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// alpha mode OPAQUE
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if ( material.modeAlpha == 0 ) {
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A.a = 1;
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// alpha mode BLEND
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} else if ( material.modeAlpha == 1 ) {
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// alpha mode MASK
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} else if ( material.modeAlpha == 2 ) {
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if ( A.a < abs(material.factorAlphaCutoff) ) discard;
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A.a = 1;
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}
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// if ( A.a < 1 - 0.00001 ) discard;
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}
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} |