From b27cc55aa631c52dae4a1a9c8c6888fc063fe022 Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Mon, 30 Dec 2024 10:25:26 +1100
Subject: backface culling

---
 video.cpp | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'video.cpp')

diff --git a/video.cpp b/video.cpp
index d5efb34..3148500 100644
--- a/video.cpp
+++ b/video.cpp
@@ -250,6 +250,15 @@ struct Vram_Allocator {
 	void free(Allocation& alloc);
 };
 
+static VkCullModeFlags get_vk_cull_mode(Cull_Mode mode) {
+	switch (mode) {
+		case Cull_Mode::none:  return VK_CULL_MODE_NONE;
+		case Cull_Mode::back:  return VK_CULL_MODE_BACK_BIT;
+		case Cull_Mode::front: return VK_CULL_MODE_FRONT_BIT;
+	}
+	assert(0);
+	return VK_CULL_MODE_NONE;
+}
 
 static VkFormat get_vk_format(Texture_Format fmt) {
 	switch (fmt) {
@@ -2631,14 +2640,13 @@ void Pipeline_Vk::init_rasterisation(
 			sizeof ri
 		);
 	(void)dev;
-	(void)desc;
 	zero(&ri, sizeof ri);
 	ri.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
 	ri.depthClampEnable = VK_FALSE;
 	ri.rasterizerDiscardEnable = VK_FALSE;
 	ri.polygonMode = VK_POLYGON_MODE_FILL;
 	ri.lineWidth = 1.0f;
-	ri.cullMode = VK_CULL_MODE_NONE;
+	ri.cullMode = get_vk_cull_mode(desc.cull_mode);
 	ri.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
 	ri.depthBiasEnable = VK_FALSE;
 	info.pRasterizationState = &ri;
-- 
cgit v1.2.3-54-g00ecf