eevee_motion_blur_shared.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "GPU_shader_shared_utils.hh"
 
#ifndef GPU_SHADER
namespace blender::eevee {
#endif
 
#define MOTION_BLUR_TILE_SIZE 32
#define MOTION_BLUR_MAX_TILE 512 /* 16384 / MOTION_BLUR_TILE_SIZE */
struct MotionBlurData {
  float2 target_size_inv;
  float2 motion_scale;
  float depth_scale;
 
  float _pad0, _pad1, _pad2;
};
BLI_STATIC_ASSERT_ALIGN(MotionBlurData, 16)
 
/* For some reasons some GLSL compilers do not like this struct.
 * So we declare it as a uint array instead and do indexing ourselves. */
#ifdef __cplusplus
struct MotionBlurTileIndirection {
  uint prev[MOTION_BLUR_MAX_TILE][MOTION_BLUR_MAX_TILE];
  uint next[MOTION_BLUR_MAX_TILE][MOTION_BLUR_MAX_TILE];
};
BLI_STATIC_ASSERT_ALIGN(MotionBlurTileIndirection, 16)
#endif
 
#ifndef GPU_SHADER
}  // namespace blender::eevee
#endif