From 566713e68c50e5cec63b91470a74219731d0b3ea Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= Date: Tue, 17 Mar 2020 22:38:50 +0100 Subject: [PATCH] Shaders: improve MeshVisualizer docs a bit. --- src/Magnum/Shaders/MeshVisualizer.h | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/src/Magnum/Shaders/MeshVisualizer.h b/src/Magnum/Shaders/MeshVisualizer.h index ad8f910c8..b837350fb 100644 --- a/src/Magnum/Shaders/MeshVisualizer.h +++ b/src/Magnum/Shaders/MeshVisualizer.h @@ -49,19 +49,18 @@ configure the shader. @section Shaders-MeshVisualizer-wireframe Wireframe visualization Wireframe visualization is done by enabling @ref Flag::Wireframe. It is done -either using geometry shaders or with help of additional vertex information. - -If you have geometry shaders available, you don't need to do anything else. +either using geometry shaders or with help of additional vertex information. If +you have geometry shaders available, you don't need to do anything else. @requires_gl32 Extension @gl_extension{ARB,geometry_shader4} for wireframe rendering using geometry shaders. @requires_es_extension Extension @gl_extension{EXT,geometry_shader} for wireframe rendering using geometry shaders. -If you don't have geometry shaders, you need to set @ref Flag::NoGeometryShader -(it's enabled by default in OpenGL ES 2.0) and use only **non-indexed** triangle -meshes (see @ref MeshTools::duplicate() for a possible solution). Additionaly, -if you have OpenGL < 3.1 or OpenGL ES 2.0, you need to provide also the +If you don't have geometry shaders, you need to enable @ref Flag::NoGeometryShader +(done by default in OpenGL ES 2.0) and use only **non-indexed** triangle meshes +(see @ref MeshTools::duplicate() for a possible solution). Additionaly, if you +have OpenGL < 3.1 or OpenGL ES 2.0, you need to provide also the @ref VertexIndex attribute. @requires_gles30 Extension @gl_extension{OES,standard_derivatives} for @@ -84,7 +83,7 @@ Common rendering setup: @subsection Shaders-MeshVisualizer-usage-wireframe-no-geom Wireframe visualization of indexed meshes without a geometry shader -The vertices have to be be converted to a non-indexed array. Mesh setup: +The vertices have to be converted to a non-indexed array first. Mesh setup: @snippet MagnumShaders.cpp MeshVisualizer-usage-no-geom1