a90019baa2
* Remove fog and lighting uniforms from FL0 --------- Co-authored-by: Mathias Agopian <mathias@google.com>
128 lines
3.9 KiB
GLSL
128 lines
3.9 KiB
GLSL
#if __VERSION__ == 100
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vec4 fragColor;
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#else
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layout(location = 0) out vec4 fragColor;
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#endif
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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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vec4 blend = color;
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#if defined(POST_LIGHTING_BLEND_MODE_OPAQUE)
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blend = material.postLightingColor;
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#elif defined(POST_LIGHTING_BLEND_MODE_TRANSPARENT)
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blend = material.postLightingColor + color * (1.0 - material.postLightingColor.a);
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#elif defined(POST_LIGHTING_BLEND_MODE_ADD)
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blend += material.postLightingColor;
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#elif defined(POST_LIGHTING_BLEND_MODE_MULTIPLY)
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blend *= material.postLightingColor;
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#elif defined(POST_LIGHTING_BLEND_MODE_SCREEN)
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blend += material.postLightingColor * (1.0 - color);
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#endif
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color = mix(color, blend, material.postLightingMixFactor);
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}
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#endif
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#if defined(BLEND_MODE_MASKED)
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void applyAlphaMask(inout vec4 baseColor) {
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// Use derivatives to sharpen alpha tested edges, combined with alpha to
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// coverage to smooth the result
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baseColor.a = (baseColor.a - getMaskThreshold()) / max(fwidth(baseColor.a), 1e-3) + 0.5;
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if (baseColor.a <= getMaskThreshold()) {
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discard;
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}
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}
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#else
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void applyAlphaMask(inout vec4 baseColor) {}
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#endif
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void main() {
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filament_lodBias = frameUniforms.lodBias;
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#if defined(FILAMENT_HAS_FEATURE_INSTANCING)
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logical_instance_index = instance_index;
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#endif
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initObjectUniforms();
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// See surface_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 surface_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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applyAlphaMask(inputs.baseColor);
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fragColor = evaluateMaterial(inputs);
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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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#if defined(VARIANT_HAS_FOG)
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highp vec3 view = getWorldPosition() - getWorldCameraPosition();
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view = frameUniforms.fogFromWorldMatrix * view;
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#if MATERIAL_FEATURE_LEVEL > 0
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# if defined (FILAMENT_LINEAR_FOG)
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vec4 fogColor = fogLinear(view, sampler0_fog);
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# else
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vec4 fogColor = fog(view, sampler0_fog);
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# endif
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#else
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vec4 fogColor = fogLinear(view);
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#endif
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# if defined(BLEND_MODE_OPAQUE)
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// nothing to do here
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# elif defined(BLEND_MODE_TRANSPARENT)
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fogColor.rgb *= fragColor.a;
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# elif defined(BLEND_MODE_ADD)
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fogColor.rgb = vec3(0.0);
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# elif defined(BLEND_MODE_MASKED)
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// nothing to do here
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# elif defined(BLEND_MODE_MULTIPLY)
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// FIXME: unclear what to do here
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# elif defined(BLEND_MODE_SCREEN)
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// FIXME: unclear what to do here
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#endif
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fragColor.rgb = fragColor.rgb * (1.0 - fogColor.a) + fogColor.rgb;
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#endif
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#if defined(VARIANT_HAS_SHADOWING) && defined(VARIANT_HAS_DIRECTIONAL_LIGHTING)
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if (CONFIG_DEBUG_DIRECTIONAL_SHADOWMAP) {
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float a = fragColor.a;
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highp vec4 p = getShadowPosition(getShadowCascade());
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p.xy = p.xy * (1.0 / p.w);
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if (p.xy != saturate(p.xy)) {
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vec4 c = vec4(1.0, 0, 1.0, 1.0) * a;
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fragColor = mix(fragColor, c, 0.2);
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} else {
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highp vec2 size = vec2(textureSize(sampler0_shadowMap, 0));
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highp int ix = int(floor(p.x * size.x));
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highp int iy = int(floor(p.y * size.y));
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float t = float((ix ^ iy) & 1) * 0.2;
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vec4 c = vec4(vec3(t * a), a);
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fragColor = mix(fragColor, c, 0.5);
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}
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}
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#endif
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#if MATERIAL_FEATURE_LEVEL == 0
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if (CONFIG_SRGB_SWAPCHAIN_EMULATION) {
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if (frameUniforms.rec709 != 0) {
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fragColor.r = pow(fragColor.r, 0.45454);
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fragColor.g = pow(fragColor.g, 0.45454);
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fragColor.b = pow(fragColor.b, 0.45454);
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}
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}
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#endif
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#if __VERSION__ == 100
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gl_FragData[0] = fragColor;
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#endif
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}
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