From fa9175ff02acffd02679398e17732f3832d3fc28 Mon Sep 17 00:00:00 2001
From: Stefan Werner <stefan.werner@tangent-animation.com>
Date: Thu, 8 Mar 2018 00:15:41 +0100
Subject: Code refactor: use KernelLight instead of float4 arrays.

Original patch by Stefan with modifications by Brecht.
---
 intern/cycles/kernel/kernel_types.h | 56 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 55 insertions(+), 1 deletion(-)

(limited to 'intern/cycles/kernel/kernel_types.h')

diff --git a/intern/cycles/kernel/kernel_types.h b/intern/cycles/kernel/kernel_types.h
index b6f1a3a6d98..198ce39c63f 100644
--- a/intern/cycles/kernel/kernel_types.h
+++ b/intern/cycles/kernel/kernel_types.h
@@ -36,7 +36,6 @@ CCL_NAMESPACE_BEGIN
 
 /* Constants */
 #define OBJECT_VECTOR_SIZE	6
-#define LIGHT_SIZE		11
 #define FILTER_TABLE_SIZE	1024
 #define RAMP_TABLE_SIZE		256
 #define SHUTTER_TABLE_SIZE		256
@@ -1456,6 +1455,61 @@ typedef struct KernelObject {
 } KernelObject;;
 static_assert_align(KernelObject, 16);
 
+typedef struct KernelSpotLight {
+	float radius;
+	float invarea;
+	float spot_angle;
+	float spot_smooth;
+	float dir[3];
+} KernelSpotLight;
+
+/* PointLight is SpotLight with only radius and invarea being used. */
+
+typedef struct KernelAreaLight {
+	float axisu[3];
+	float invarea;
+	float axisv[3];
+	float dir[3];
+} KernelAreaLight;
+
+typedef struct KernelDistantLight {
+	float radius;
+	float cosangle;
+	float invarea;
+} KernelDistantLight;
+
+typedef struct KernelLight {
+	int type;
+	float co[3];
+	int shader_id;
+	int samples;
+	float max_bounces;
+	float random;
+	float4 tfm[3];
+	float4 itfm[3];
+	union {
+		KernelSpotLight spot;
+		KernelAreaLight area;
+		KernelDistantLight distant;
+	};
+} KernelLight;
+static_assert_align(KernelLight, 16);
+
+typedef struct KernelLightDistribution {
+	float totarea;
+	int prim;
+	union {
+		struct {
+			int shader_flag;
+			int object_id;
+		} mesh_light;
+		struct {
+			float pad;
+			float size;
+		} lamp;
+	};
+} KernelLightDistribution;
+static_assert_align(KernelLightDistribution, 16);
 
 /* Declarations required for split kernel */
 
-- 
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