58 lines
1.9 KiB
GLSL
58 lines
1.9 KiB
GLSL
layout(location = 0) out vec4 fragColor;
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#if defined(MATERIAL_HAS_POST_LIGHTING_COLOR)
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void blendPostLightingColor(const MaterialInputs material, inout vec4 color) {
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#if defined(POST_LIGHTING_BLEND_MODE_OPAQUE)
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color = material.postLightingColor;
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#elif defined(POST_LIGHTING_BLEND_MODE_TRANSPARENT)
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color = material.postLightingColor + color * (1.0 - material.postLightingColor.a);
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#elif defined(POST_LIGHTING_BLEND_MODE_ADD)
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color += material.postLightingColor;
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#elif defined(POST_LIGHTING_BLEND_MODE_MULTIPLY)
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color *= material.postLightingColor;
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#elif defined(POST_LIGHTING_BLEND_MODE_SCREEN)
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color += material.postLightingColor * (1.0 - color);
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#endif
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}
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#endif
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void main() {
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filament_lodBias = frameUniforms.lodBias;
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// See shading_parameters.fs
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// Computes global variables we need to evaluate material and lighting
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computeShadingParams();
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// Initialize the inputs to sensible default values, see material_inputs.fs
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MaterialInputs inputs;
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initMaterial(inputs);
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// Invoke user code
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material(inputs);
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fragColor = evaluateMaterial(inputs);
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#if defined(TARGET_METAL_ENVIRONMENT)
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// Hack to force spirv-cross to keep the light_structure texture present in the argument buffer.
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float hack = textureLod(light_structure, vec2(0.0, 0.0), 0.0).r;
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fragColor.x += hack;
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fragColor.x -= hack;
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#endif
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#if defined(VARIANT_HAS_DIRECTIONAL_LIGHTING) && defined(VARIANT_HAS_SHADOWING)
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bool visualizeCascades = bool(frameUniforms.cascades & 0x10u);
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if (visualizeCascades) {
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fragColor.rgb *= uintToColorDebug(getShadowCascade());
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}
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#endif
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#if defined(VARIANT_HAS_FOG)
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vec3 view = getWorldPosition() - getWorldCameraPosition();
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fragColor = fog(fragColor, view);
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#endif
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#if defined(MATERIAL_HAS_POST_LIGHTING_COLOR) && !defined(MATERIAL_HAS_REFLECTIONS)
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blendPostLightingColor(inputs, fragColor);
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#endif
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}
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