diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/pbrterrainF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/pbrterrainF.glsl | 60 |
1 files changed, 47 insertions, 13 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainF.glsl index 2cb7ff196b..410c447c64 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainF.glsl @@ -30,6 +30,9 @@ #define TERRAIN_PBR_DETAIL_NORMAL -2 #define TERRAIN_PBR_DETAIL_METALLIC_ROUGHNESS -3 +#define TERRAIN_PAINT_TYPE_HEIGHTMAP_WITH_NOISE 0 +#define TERRAIN_PAINT_TYPE_PBR_PAINTMAP 1 + #if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 #define TerrainCoord vec4[3] #elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 @@ -48,6 +51,7 @@ struct TerrainMix }; TerrainMix get_terrain_mix_weights(float alpha1, float alpha2, float alphaFinal); +TerrainMix get_terrain_usage_from_weight3(vec3 weight3); struct PBRMix { @@ -75,6 +79,9 @@ PBRMix terrain_sample_and_multiply_pbr( #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , sampler2D tex_vNt +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , float transform_sign +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , sampler2D tex_emissive @@ -94,7 +101,11 @@ PBRMix mix_pbr(PBRMix mix1, PBRMix mix2, float mix2_weight); out vec4 frag_data[4]; +#if TERRAIN_PAINT_TYPE == TERRAIN_PAINT_TYPE_HEIGHTMAP_WITH_NOISE uniform sampler2D alpha_ramp; +#elif TERRAIN_PAINT_TYPE == TERRAIN_PAINT_TYPE_PBR_PAINTMAP +uniform sampler2D paint_map; +#endif // https://registry.khronos.org/glTF/specs/2.0/glTF-2.0.html#additional-textures uniform sampler2D detail_0_base_color; @@ -130,19 +141,25 @@ uniform vec3[4] emissiveColors; #endif uniform vec4 minimum_alphas; // PBR alphaMode: MASK, See: mAlphaCutoff, setAlphaCutoff() -#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 -in vec4[10] vary_coords; -#elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 -in vec4[2] vary_coords; -#endif in vec3 vary_position; in vec3 vary_normal; #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) in vec3 vary_tangents[4]; -flat in float vary_sign; +flat in float vary_signs[4]; #endif + +// vary_texcoord* are used for terrain composition, vary_coords are used for terrain UVs +#if TERRAIN_PAINT_TYPE == TERRAIN_PAINT_TYPE_HEIGHTMAP_WITH_NOISE in vec4 vary_texcoord0; in vec4 vary_texcoord1; +#elif TERRAIN_PAINT_TYPE == TERRAIN_PAINT_TYPE_PBR_PAINTMAP +in vec2 vary_texcoord; +#endif +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 +in vec4[10] vary_coords; +#elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1 +in vec4[2] vary_coords; +#endif void mirrorClip(vec3 position); @@ -150,11 +167,11 @@ float terrain_mix(TerrainMix tm, vec4 tms4); #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) // from mikktspace.com -vec3 mikktspace(vec3 vNt, vec3 vT) +vec3 mikktspace(vec3 vNt, vec3 vT, float sign) { vec3 vN = vary_normal; - vec3 vB = vary_sign * cross(vN, vT); + vec3 vB = sign * cross(vN, vT); vec3 tnorm = normalize( vNt.x * vT + vNt.y * vB + vNt.z * vN ); tnorm *= gl_FrontFacing ? 1.0 : -1.0; @@ -168,11 +185,16 @@ void main() // Make sure we clip the terrain if we're in a mirror. mirrorClip(vary_position); + TerrainMix tm; +#if TERRAIN_PAINT_TYPE == TERRAIN_PAINT_TYPE_HEIGHTMAP_WITH_NOISE float alpha1 = texture(alpha_ramp, vary_texcoord0.zw).a; float alpha2 = texture(alpha_ramp,vary_texcoord1.xy).a; float alphaFinal = texture(alpha_ramp, vary_texcoord1.zw).a; - TerrainMix tm = get_terrain_mix_weights(alpha1, alpha2, alphaFinal); + tm = get_terrain_mix_weights(alpha1, alpha2, alphaFinal); +#elif TERRAIN_PAINT_TYPE == TERRAIN_PAINT_TYPE_PBR_PAINTMAP + tm = get_terrain_usage_from_weight3(texture(paint_map, vary_texcoord).xyz); +#endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_OCCLUSION) // RGB = Occlusion, Roughness, Metal @@ -216,6 +238,9 @@ void main() #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , detail_0_normal +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , vary_signs[0] +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , detail_0_emissive @@ -231,7 +256,7 @@ void main() #endif ); #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) - mix2.vNt = mikktspace(mix2.vNt, vary_tangents[0]); + mix2.vNt = mikktspace(mix2.vNt, vary_tangents[0], vary_signs[0]); #endif pbr_mix = mix_pbr(pbr_mix, mix2, tm.weight.x); break; @@ -258,6 +283,9 @@ void main() #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , detail_1_normal +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , vary_signs[1] +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , detail_1_emissive @@ -273,7 +301,7 @@ void main() #endif ); #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) - mix2.vNt = mikktspace(mix2.vNt, vary_tangents[1]); + mix2.vNt = mikktspace(mix2.vNt, vary_tangents[1], vary_signs[1]); #endif pbr_mix = mix_pbr(pbr_mix, mix2, tm.weight.y); break; @@ -300,6 +328,9 @@ void main() #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , detail_2_normal +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , vary_signs[2] +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , detail_2_emissive @@ -315,7 +346,7 @@ void main() #endif ); #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) - mix2.vNt = mikktspace(mix2.vNt, vary_tangents[2]); + mix2.vNt = mikktspace(mix2.vNt, vary_tangents[2], vary_signs[2]); #endif pbr_mix = mix_pbr(pbr_mix, mix2, tm.weight.z); break; @@ -342,6 +373,9 @@ void main() #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , detail_3_normal +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , vary_signs[3] +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , detail_3_emissive @@ -357,7 +391,7 @@ void main() #endif ); #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) - mix2.vNt = mikktspace(mix2.vNt, vary_tangents[3]); + mix2.vNt = mikktspace(mix2.vNt, vary_tangents[3], vary_signs[3]); #endif pbr_mix = mix_pbr(pbr_mix, mix2, tm.weight.w); break; |