add link to lavapipe tests

diff --git a/3d_gpu/mesa.mdwn b/3d_gpu/mesa.mdwn
index 16cbd91c4fe310042dd53ad08cb597e4c8d976ab..c67d71fe577fa6ca381121a0fb190d2a67111a4f 100644 (file)
--- a/3d_gpu/mesa.mdwn
+++ b/3d_gpu/mesa.mdwn
@@ -116,3 +116,16 @@ branch.
 
 * <https://github.com/GameTechDev/IntroductionToVulkan/tree/master/Project/Tutorials/01>
 * <http://lists.libre-soc.org/pipermail/libre-soc-dev/2020-August/000368.html>
+
+# Demos with lavapipe
+
+> It can be built with 
+> meson configure -Dvulkan-drivers=swrast -Dgallium-drivers=swrast
+> set VK_ICD_FILENAMES to the lvp_icd.x86_64.json file and vulkaninfo should
+> show it.
+> 
+> I tried running demos from
+> https://software.intel.com/content/www/us/en/develop/articles/api-without-
+> secrets-introduction-to-vulkan-part-1.html and all 7 runs fine with lavapipe.
+
+* <https://bugs.libre-soc.org/show_bug.cgi?id=251#c58>