Differential D14664 Diff 55290 intern/cycles/kernel/types.h

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intern/cycles/kernel/types.h

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	struct {			struct {
	float pad;			float pad;
	float size;			float size;
	} lamp;			} lamp;
	};			};
	} KernelLightDistribution;			} KernelLightDistribution;
	static_assert_align(KernelLightDistribution, 16);			static_assert_align(KernelLightDistribution, 16);

				typedef struct KernelLightTreeNode {
				/* Bounding box. */
				float bounding_box_min[3];
				float bounding_box_max[3];

				/* Bounding cone. */
				float bounding_cone_axis[3];
				float theta_o;
				float theta_e;

				/* Energy. */
				float energy;

				/* If this is 0 or less, we're at a leaf node
				* and the negative value indexes into the first child of the light array.
				* Otherwise, it's an index to the node's second child. */
				int child_index;
				union {
				int num_prims; /* leaf nodes need to know the number of primitives stored. */
				float energy_variance; /* interior nodes use the energy variance for the splitting heuristic. */
				};

				/* Bit trail. */
				uint bit_trail;

				/* Padding. */
				int pad1;
				} KernelLightTreeNode;
				static_assert_align(KernelLightTreeNode, 16);

				typedef struct KernelLightTreeEmitter {
				/* Bounding box. */
				float bounding_box_min[3];
				float bounding_box_max[3];

				/* Bounding cone. */
				float bounding_cone_axis[3];
				float theta_o;
				float theta_e;

				/* Energy. */
				float energy;

				/* prim_id denotes the location in the lights or triangles array. */
				int prim_id;
				union {
				struct {
				int shader_flag;
				int object_id;
				} mesh_light;
				struct {
				float pad;
				float size;
				} lamp;
				};

				/* Parent. */
				int parent_index;
				} KernelLightTreeEmitter;
				static_assert_align(KernelLightTreeEmitter, 16);

				typedef struct KernelLightTreeDistantEmitter {
				/* Direction from world to light. */
				float direction[3];

				/* Size of light (in radians). */
				float bounding_radius;

				/* Energy. */
				float energy;

				/* Prim ID. */
				int prim_id;

				/* Padding. */
				int pad1, pad2;
				} KernelLightTreeDistantEmitter;
				static_assert_align(KernelLightTreeDistantEmitter, 16);

	typedef struct KernelParticle {			typedef struct KernelParticle {
	int index;			int index;
	float age;			float age;
	float lifetime;			float lifetime;
	float size;			float size;
	float4 rotation;			float4 rotation;
	/* Only xyz are used of the following. float4 instead of float3 are used			/* Only xyz are used of the following. float4 instead of float3 are used
	* to ensure consistent padding/alignment across devices. */			* to ensure consistent padding/alignment across devices. */
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