diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred')
4 files changed, 55 insertions, 16 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrShadowAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrShadowAlphaMaskF.glsl index c1fb9f5d84..35b7602569 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbrShadowAlphaMaskF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbrShadowAlphaMaskF.glsl @@ -1,24 +1,24 @@ -/** +/** * @file pbrShadowAlphaMaskF.glsl * * $LicenseInfo:firstyear=2023&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2023, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -33,9 +33,9 @@ in vec4 vertex_color; in vec2 vary_texcoord0; uniform float minimum_alpha; -void main() +void main() { - float alpha = texture(diffuseMap,vary_texcoord0.xy).a; + float alpha = texture(diffuseMap,vary_texcoord0.xy).a * vertex_color.a; if (alpha < minimum_alpha) { diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl index 1d5f810cf3..380d493636 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl @@ -69,12 +69,16 @@ void main() mirrorClip(vary_position); vec4 basecolor = texture(diffuseMap, base_color_texcoord.xy).rgba; + basecolor.rgb = srgb_to_linear(basecolor.rgb); + + basecolor *= vertex_color; + if (basecolor.a < minimum_alpha) { discard; } - vec3 col = vertex_color.rgb * srgb_to_linear(basecolor.rgb); + vec3 col = basecolor.rgb; // from mikktspace.com vec3 vNt = texture(bumpMap, normal_texcoord.xy).xyz*2.0-1.0; @@ -108,7 +112,7 @@ void main() //emissive = tnorm*0.5+0.5; // See: C++: addDeferredAttachments(), GLSL: softenLightF frag_data[0] = max(vec4(col, 0.0), vec4(0)); // Diffuse - frag_data[1] = max(vec4(spec.rgb,vertex_color.a), vec4(0)); // PBR linear packed Occlusion, Roughness, Metal. + frag_data[1] = max(vec4(spec.rgb,0.0), vec4(0)); // PBR linear packed Occlusion, Roughness, Metal. frag_data[2] = vec4(tnorm, GBUFFER_FLAG_HAS_PBR); // normal, environment intensity, flags frag_data[3] = max(vec4(emissive,0), vec4(0)); // PBR sRGB Emissive } diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl index 4efb9a1f53..ed52297314 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl @@ -50,8 +50,8 @@ out vec3 vary_position; // tangent_space_transform below. uniform vec4[2] texture_base_color_transform; -vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); -vec3 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform, mat4 sl_animation_transform); +vec2 terrain_texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform); +vec3 terrain_tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform); void main() { @@ -70,7 +70,7 @@ void main() // *HACK: Should be using texture_normal_transform here. The KHR texture // transform spec requires handling texture transforms separately for each // individual texture. - vary_tangent = normalize(tangent_space_transform(vec4(t, tangent.w), n, texture_base_color_transform, texture_matrix0)); + vary_tangent = normalize(terrain_tangent_space_transform(vec4(t, tangent.w), n, texture_base_color_transform)); vary_sign = tangent.w; vary_normal = normalize(n); @@ -80,13 +80,13 @@ void main() // separately for each individual texture. #if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 // xy - vary_coords[0].xy = texture_transform(position.xy, texture_base_color_transform, texture_matrix0); + vary_coords[0].xy = terrain_texture_transform(position.xy, texture_base_color_transform); // yz - vary_coords[0].zw = texture_transform(position.yz, texture_base_color_transform, texture_matrix0); + vary_coords[0].zw = terrain_texture_transform(position.yz, texture_base_color_transform); // (-x)z - vary_coords[1].xy = texture_transform(position.xz * vec2(-1, 1), texture_base_color_transform, texture_matrix0); + vary_coords[1].xy = terrain_texture_transform(position.xz * vec2(-1, 1), texture_base_color_transform); #elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 - vary_texcoord0.xy = texture_transform(position.xy, texture_base_color_transform, texture_matrix0); + vary_texcoord0.xy = terrain_texture_transform(position.xy, texture_base_color_transform); #endif vec4 tc = vec4(texcoord1,0,1); diff --git a/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl b/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl index 732333311c..7c02cb9d4a 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl @@ -77,6 +77,19 @@ vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl return texcoord; } +// Similar to texture_transform but no offset during coordinate system +// conversion, and no texture animation support. +vec2 terrain_texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform) +{ + vec2 texcoord = vertex_texcoord; + + texcoord.y = -texcoord.y; + texcoord = khr_texture_transform(texcoord, khr_gltf_transform[0].xy, khr_gltf_transform[0].z, khr_gltf_transform[1].xy); + texcoord.y = -texcoord.y; + + return texcoord; +} + // Take the rotation only from both transforms and apply to the tangent. This // accounts for the change of the topology of the normal texture when a texture // rotation is applied to it. @@ -120,3 +133,25 @@ vec3 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] kh return (weights.x * vertex_binormal.xyz) + (weights.y * vertex_tangent.xyz); } + +// Similar to tangent_space_transform but no no texture animation support. +vec3 terrain_tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform) +{ + // Immediately convert to left-handed coordinate system ((0,1) -> (0, -1)) + vec2 weights = vec2(0, -1); + + // Apply KHR_texture_transform (rotation only) + float khr_rotation = khr_gltf_transform[0].z; + mat2 khr_rotation_mat = mat2( + cos(khr_rotation),-sin(khr_rotation), + sin(khr_rotation), cos(khr_rotation) + ); + weights = khr_rotation_mat * weights; + + // Convert back to right-handed coordinate system + weights.y = -weights.y; + + vec3 vertex_binormal = vertex_tangent.w * cross(vertex_normal, vertex_tangent.xyz); + + return (weights.x * vertex_binormal.xyz) + (weights.y * vertex_tangent.xyz); +} |