From b0544549c551dfa0b52e7c685580f954861240ba Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Fri, 13 Feb 2026 14:21:37 -0800
Subject: Emit normals

---
 include/swgfx.h | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'include')

diff --git a/include/swgfx.h b/include/swgfx.h
index b3f9150..452847c 100644
--- a/include/swgfx.h
+++ b/include/swgfx.h
@@ -37,8 +37,8 @@ typedef sgVec3 sgNormal;
 
 typedef struct sgVert2i { sgVec2i pos; sgVec2 uv; } sgVert2i;
 typedef struct sgVert2  { sgVec2  pos; sgVec2 uv; } sgVert2;
-typedef struct sgVert3  { sgVec3  pos; sgVec2 uv; } sgVert3;
-typedef struct sgVert4  { sgVec4  pos; sgVec2 uv; } sgVert4;
+typedef struct sgVert3  { sgVec3  pos; sgVec2 uv; sgVec3 normal; } sgVert3;
+typedef struct sgVert4  { sgVec4  pos; sgVec2 uv; sgVec3 normal; } sgVert4;
 
 typedef struct sgQuadi { sgVert2i p0, p1; }     sgQuadi;
 typedef struct sgQuad  { sgVert2  p0, p1; }     sgQuad;
@@ -108,11 +108,15 @@ void sgTriangles2    (swgfx*, size_t count, const sgTri2*);
 void sgTriangleStrip2(swgfx*, size_t count, const sgVec2*);
 void sgTriangles     (swgfx*, size_t count, const sgTri3*, const sgNormal*);
 void sgTriangleStrip (swgfx*, size_t count, const sgVec3*, const sgNormal*);
-void sgTrianglesIndexed(swgfx*, size_t numIndices, const sgIdx* indices, const sgVec3* positions, const sgVec2* texcoords);
-void sgTrianglesIndexedNonUniform(swgfx*, size_t numTris, const sgTriIdx* tris, const sgVec3* positions, const sgVec2* texcoords);
+void sgTrianglesIndexed(swgfx*, size_t numIndices, const sgIdx* indices, const sgVec3* positions, const sgVec2* texcoords, const sgVec3* normals);
+void sgTrianglesIndexedNonUniform(swgfx*, size_t numTris, const sgTriIdx* tris, const sgVec3* positions, const sgVec2* texcoords, const sgVec3* normals);
 
 void sgLighting(swgfx*);
 void sgAmbient(swgfx*, sgVec3 ambient);
+// TODO: Implement directional lights.
+
+void sgDepth(swgfx*);
+void sgNormals(swgfx*);
 
 void sgGamma   (swgfx*, sgPixel*, int width, int height);
 void sgGammaInv(swgfx*, sgPixel*, int width, int height);
-- 
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