diff options
author | Dan Goodliffe <dan@randomdan.homeip.net> | 2023-04-22 19:06:42 +0100 |
---|---|---|
committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2023-04-22 19:06:42 +0100 |
commit | d1f79b4c438ebf0822741e103b2cb06bdee4514e (patch) | |
tree | a4d574d12cd81d5e33886ce7ca961f7dbe872fcf /game/scenary/foliage.cpp | |
parent | Rename lots of shader files (diff) | |
parent | Keep the instance unused vector sorted and binary search it (diff) | |
download | ilt-d1f79b4c438ebf0822741e103b2cb06bdee4514e.tar.bz2 ilt-d1f79b4c438ebf0822741e103b2cb06bdee4514e.tar.xz ilt-d1f79b4c438ebf0822741e103b2cb06bdee4514e.zip |
Merge branch 'instancing'
Diffstat (limited to 'game/scenary/foliage.cpp')
-rw-r--r-- | game/scenary/foliage.cpp | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/game/scenary/foliage.cpp b/game/scenary/foliage.cpp index d39d500..35be051 100644 --- a/game/scenary/foliage.cpp +++ b/game/scenary/foliage.cpp @@ -1,7 +1,9 @@ #include "foliage.h" #include "gfx/gl/sceneShader.h" #include "gfx/gl/shadowMapper.h" +#include "gfx/gl/vertexArrayObject.hpp" #include "gfx/models/texture.h" +#include "location.hpp" bool Foliage::persist(Persistence::PersistenceStore & store) @@ -13,21 +15,25 @@ void Foliage::postLoad() { texture = getTexture(); + bodyMesh->configureVAO(instanceVAO).addAttribs<glm::mat4>(instances.bufferName(), 1); } void -Foliage::render(const SceneShader & shader, const Location & loc) const +Foliage::render(const SceneShader & shader) const { - shader.basic.use(loc); - if (texture) { - texture->bind(); + if (const auto count = instances.count()) { + shader.basicInst.use(); + if (texture) { + texture->bind(); + } + glBindVertexArray(instanceVAO); + glDrawElementsInstanced( + bodyMesh->type(), bodyMesh->count(), GL_UNSIGNED_INT, nullptr, static_cast<GLsizei>(count)); + glBindVertexArray(0); } - bodyMesh->Draw(); } void -Foliage::shadows(const ShadowMapper & mapper, const Location & loc) const +Foliage::shadows(const ShadowMapper &) const { - mapper.dynamicPoint.use(loc); - bodyMesh->Draw(); } |