diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/interface/normaldebugG.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/interface/normaldebugG.glsl | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/interface/normaldebugG.glsl b/indra/newview/app_settings/shaders/class1/interface/normaldebugG.glsl new file mode 100644 index 0000000000..51d05cd507 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/normaldebugG.glsl @@ -0,0 +1,76 @@ +/** + * @file normaldebugG.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 + * $/LicenseInfo$ + */ + +// *NOTE: Geometry shaders have a reputation for being slow. Consider using +// compute shaders instead, which have a reputation for being fast. This +// geometry shader in particular seems to run fine on my machine, but I won't +// vouch for this in performance-critical areas. +// -Cosmic,2023-09-28 + +out vec4 vertex_color; + +in vec4 normal_g[]; +#ifdef HAS_ATTRIBUTE_TANGENT +in vec4 tangent_g[]; +#endif + +layout(triangles) in; +#ifdef HAS_ATTRIBUTE_TANGENT +layout(line_strip, max_vertices = 12) out; +#else +layout(line_strip, max_vertices = 6) out; +#endif + +void triangle_normal_debug(int i) +{ + // Normal + vec4 normal_color = vec4(1.0, 1.0, 0.0, 1.0); + gl_Position = gl_in[i].gl_Position; + vertex_color = normal_color; + EmitVertex(); + gl_Position = normal_g[i]; + vertex_color = normal_color; + EmitVertex(); + EndPrimitive(); + +#ifdef HAS_ATTRIBUTE_TANGENT + // Tangent + vec4 tangent_color = vec4(0.0, 1.0, 1.0, 1.0); + gl_Position = gl_in[i].gl_Position; + vertex_color = tangent_color; + EmitVertex(); + gl_Position = tangent_g[i]; + vertex_color = tangent_color; + EmitVertex(); + EndPrimitive(); +#endif +} + +void main() +{ + triangle_normal_debug(0); + triangle_normal_debug(1); + triangle_normal_debug(2); +} |