From 7229dfcc59943f025219721701b2bda471a2ae25 Mon Sep 17 00:00:00 2001 From: Ptolemy Date: Fri, 2 Sep 2022 16:12:49 -0700 Subject: SL-17701: PBR: Add support for gltf Alpha MASK (cutoff) --- .../app_settings/shaders/class1/deferred/pbropaqueF.glsl | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'indra/newview/app_settings/shaders') diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl index b5c38bba04..b0becdbb5b 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl @@ -76,17 +76,23 @@ VARYING vec2 vary_texcoord1; VARYING vec2 vary_texcoord2; #endif +uniform float minimum_alpha; // PBR alphaMode: MASK, See: mAlphaCutoff, setAlphaCutoff() + vec2 encode_normal(vec3 n); vec3 linear_to_srgb(vec3 c); -const float M_PI = 3.141592653589793; - void main() { // IF .mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels; // vec3 col = vertex_color.rgb * diffuseLookup(vary_texcoord0.xy).rgb; // else - vec3 col = vertex_color.rgb * texture2D(diffuseMap, vary_texcoord0.xy).rgb; + vec4 albedo = texture2D(diffuseMap, vary_texcoord0.xy).rgba; + if (albedo.a < minimum_alpha) + { + discard; + } + + vec3 col = vertex_color.rgb * albedo.rgb; #ifdef HAS_NORMAL_MAP vec4 norm = texture2D(bumpMap, vary_texcoord1.xy); -- cgit v1.2.3