diff options
author | nat-goodspeed <nat@lindenlab.com> | 2024-09-05 15:40:12 -0400 |
---|---|---|
committer | GitHub <noreply@github.com> | 2024-09-05 15:40:12 -0400 |
commit | 04568da18d2261f3f7b851cf5341b766c9648204 (patch) | |
tree | 83d5db1c173636bb77ebb33e860fac77ab5d79e8 /indra/newview/app_settings/shaders/class1/interface | |
parent | 18d81e20f0b0044c16615953d7b69d7fb34d3449 (diff) | |
parent | ff2d79906ccef217194d5d9ec9d7025db03592a8 (diff) |
Merge pull request #2513 from secondlife/lua-merge-dev
Merge develop branch into Lua project branch.
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/interface')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/interface/pbrTerrainBakeF.glsl | 62 | ||||
-rw-r--r-- | indra/newview/app_settings/shaders/class1/interface/pbrTerrainBakeV.glsl | 42 |
2 files changed, 104 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/interface/pbrTerrainBakeF.glsl b/indra/newview/app_settings/shaders/class1/interface/pbrTerrainBakeF.glsl new file mode 100644 index 0000000000..cf20653a0f --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/pbrTerrainBakeF.glsl @@ -0,0 +1,62 @@ +/** + * @file terrainBakeF.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2024, 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 + * $/LicenseInfo$ + */ + +/*[EXTRA_CODE_HERE]*/ + +out vec4 frag_color; + +struct TerrainMix +{ + vec4 weight; + int type; +}; + +TerrainMix get_terrain_mix_weights(float alpha1, float alpha2, float alphaFinal); + +uniform sampler2D alpha_ramp; + +// vary_texcoord* are used for terrain composition +in vec4 vary_texcoord0; +in vec4 vary_texcoord1; + +void main() +{ + TerrainMix tm; + 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; + + tm = get_terrain_mix_weights(alpha1, alpha2, alphaFinal); + + // tm.weight.x can be ignored. The paintmap saves a channel by not storing + // swatch 1, and assuming the weights of the 4 swatches add to 1. + // TERRAIN_PAINT_PRECISION emulates loss of precision at lower bit depth + // when a corresponding low-bit image format is not available. Because + // integral values at one depth cannot be precisely represented at another + // bit depth, rounding is required. To maximize numerical stability for + // future conversions, bit depth conversions should round to the nearest + // integer, not floor or ceil. + frag_color = max(vec4(round(tm.weight.yzw * TERRAIN_PAINT_PRECISION) / TERRAIN_PAINT_PRECISION, 1.0), vec4(0)); +} diff --git a/indra/newview/app_settings/shaders/class1/interface/pbrTerrainBakeV.glsl b/indra/newview/app_settings/shaders/class1/interface/pbrTerrainBakeV.glsl new file mode 100644 index 0000000000..fd150b54ad --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/pbrTerrainBakeV.glsl @@ -0,0 +1,42 @@ +/** + * @file pbrTerrainBakeV.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2024, 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 + * $/LicenseInfo$ + */ + +uniform mat4 modelview_projection_matrix; + +in vec3 position; +in vec2 texcoord1; + +out vec4 vary_texcoord0; +out vec4 vary_texcoord1; + +void main() +{ + gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); + vec2 tc = texcoord1.xy; + vary_texcoord0.zw = tc.xy; + vary_texcoord1.xy = tc.xy-vec2(2.0, 0.0); + vary_texcoord1.zw = tc.xy-vec2(1.0, 0.0); +} + |