Differential D16083 Diff 56430 source/blender/gpu/GPU_sculpt_shader_shared.h

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source/blender/gpu/GPU_sculpt_shader_shared.h

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				/* SPDX-License-Identifier: GPL-2.0-or-later
				* Copyright 2022 Blender Foundation. All rights reserved. */

				/** \file
				* \ingroup gpu
				*/

				#ifndef USE_GPU_SHADER_CREATE_INFO
				# include "GPU_shader_shared_utils.h"
				#endif

				struct TrianglePaintInput {
				int3 vert_indices;
				float _pad0;
				/**
				* Delta barycentric coordinates between 2 neighboring UV's in the U direction.
				*
				* Only the first two coordinates are stored. The third should be recalculated on the fly.
				*/
				float2 delta_barycentric_coord;
				float2 _pad1;
				};
				BLI_STATIC_ASSERT_ALIGN(TrianglePaintInput, 16)

				struct PackedPixelRow {
				/** Barycentric coordinate of the first pixel. */
				float2 start_barycentric_coord;
				/** Image coordinate starting of the first pixel. First 16 bits is u, other 16 bits is v. */
				uint start_image_coordinate;

				/**
				* 16 bits: Reference to the pbvh triangle index.
				* 16 bits: Number of sequential pixels encoded in this package.
				*/
				uint encoded;
				};
				BLI_STATIC_ASSERT_ALIGN(TrianglePaintInput, 16)

				#define PIXEL_ROW_START_IMAGE_COORD(row) \
				ivec2(row.start_image_coordinate & 0xffff, (row.start_image_coordinate & 0xffff0000) >> 16)
				#define PIXEL_ROW_LEN(row) uint(row.encoded & 0xffff);
				#define PIXEL_ROW_PRIM_INDEX(row) uint((row.encoded & 0xffff0000) >> 16)

				struct PaintBrushTestData {
				/* world to local matrix for clipping plane tests. */
				float4x4 symm_rot_mat_inv;
				};
				BLI_STATIC_ASSERT_ALIGN(PaintBrushTestData, 16)

				struct PaintBrushData {
				float4 color;
				PaintBrushTestData test;
				float alpha;
				int falloff_shape;
				float _pad0[2];
				};
				BLI_STATIC_ASSERT_ALIGN(PaintBrushData, 16)

				struct PaintStepData {
				float3 location;
				float radius;
				/* Circle falloff. */
				float4 plane_view;
				float hardness;
				float strength;
				int mirror_symmetry_pass;
				int _pad0[1];
				};
				BLI_STATIC_ASSERT_ALIGN(PaintStepData, 16);