| // Copyright 2021 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SRC_GRAPHICS_LIB_COMPUTE_RADIX_SORT_PLATFORMS_VK_SHADERS_PREFIX_LIMITS_H_ |
| #define SRC_GRAPHICS_LIB_COMPUTE_RADIX_SORT_PLATFORMS_VK_SHADERS_PREFIX_LIMITS_H_ |
| |
| // |
| // Define various prefix limits |
| // |
| #define RS_PREFIX_LIMITS |
| |
| // |
| // Multi-subgroup prefix requires shared memory. |
| // |
| #if (RS_WORKGROUP_SUBGROUPS > 1) |
| |
| // clang-format off |
| #define RS_H_COMPONENTS (RS_RADIX_SIZE / RS_WORKGROUP_SIZE) |
| |
| #define RS_SWEEP_0_SIZE (RS_RADIX_SIZE / RS_SUBGROUP_SIZE) |
| #define RS_SWEEP_1_SIZE (RS_SWEEP_0_SIZE / RS_SUBGROUP_SIZE) |
| #define RS_SWEEP_2_SIZE (RS_SWEEP_1_SIZE / RS_SUBGROUP_SIZE) |
| |
| #define RS_SWEEP_SIZE (RS_SWEEP_0_SIZE + RS_SWEEP_1_SIZE + RS_SWEEP_2_SIZE) |
| |
| #define RS_S0_PASSES (RS_SWEEP_0_SIZE / RS_WORKGROUP_SIZE) |
| #define RS_S1_PASSES (RS_SWEEP_1_SIZE / RS_WORKGROUP_SIZE) |
| |
| #define RS_SWEEP_0_OFFSET 0 |
| #define RS_SWEEP_1_OFFSET (RS_SWEEP_0_OFFSET + RS_SWEEP_0_SIZE) |
| #define RS_SWEEP_2_OFFSET (RS_SWEEP_1_OFFSET + RS_SWEEP_1_SIZE) |
| // clang-format on |
| |
| // |
| // Single subgroup prefix doesn't use shared memory. |
| // |
| #else |
| |
| #define RS_SWEEP_SIZE 0 |
| |
| #endif |
| |
| // |
| // |
| // |
| |
| #endif // SRC_GRAPHICS_LIB_COMPUTE_RADIX_SORT_PLATFORMS_VK_SHADERS_PREFIX_LIMITS_H_ |
