From 239a319b41474a35e4c9c4b7c6ae3c6e0b0b7185 Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Thu, 6 Jun 2024 17:35:09 +0000
Subject: add cubemaps.

---
 graphics.h | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'graphics.h')

diff --git a/graphics.h b/graphics.h
index 7998d01..b7cfdce 100644
--- a/graphics.h
+++ b/graphics.h
@@ -23,6 +23,7 @@ enum {
 };
 
 typedef struct Color Color;
+typedef struct Cubemap Cubemap;
 typedef struct Vertexattr Vertexattr;
 typedef struct Vertex Vertex;
 typedef struct LightSource LightSource;
@@ -48,6 +49,12 @@ struct Color
 	double r, g, b, a;
 };
 
+struct Cubemap
+{
+	char *name;
+	Memimage *faces[6];
+};
+
 /*
  * a more general approach worth investigating.
  * it could be made to handle types other than double.
@@ -124,7 +131,7 @@ struct Model
 {
 	Primitive *prims;
 	ulong nprims;
-	Memimage *tex;		/* texture map */
+	Memimage *tex;		/* texture map (TODO get rid of it, use materials) */
 	Material *materials;
 	ulong nmaterials;
 };
@@ -142,6 +149,7 @@ struct Scene
 	char *name;
 	Entity ents;
 	ulong nents;
+	Cubemap *skybox;
 
 	void (*addent)(Scene*, Entity*);
 	void (*delent)(Scene*, Entity*);
@@ -168,6 +176,7 @@ struct SUparams
 	Framebuf *fb;
 	Memimage *frag;
 	Renderjob *job;
+	Camera *camera;
 	Entity *entity;
 	Primitive *eb, *ee;
 
@@ -199,6 +208,7 @@ struct Renderjob
 	Ref;
 	uvlong id;
 	Framebuf *fb;
+	Camera *camera;
 	Scene *scene;
 	Shadertab *shaders;
 	Channel *donec;
@@ -245,7 +255,7 @@ struct Camera
 {
 	RFrame3;		/* VCS */
 	Viewport *vp;
-	Scene *s;
+	Scene *scene;
 	Renderer *rctl;
 	double fov;		/* vertical FOV */
 	struct {
@@ -313,6 +323,9 @@ Vertexattr *getvattr(Vertex*, char*);
 Color neartexsampler(Memimage*, Point2);
 Color bilitexsampler(Memimage*, Point2);
 Color texture(Memimage*, Point2, Color(*)(Memimage*, Point2));
+Cubemap *readcubemap(char*[6]);
+void freecubemap(Cubemap*);
+Color cubemaptexture(Cubemap*, Point3, Color(*)(Memimage*, Point2));
 
 /* util */
 double fmin(double, double);
-- 
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