105 lines
4.1 KiB
C
105 lines
4.1 KiB
C
// This file is part of the FidelityFX SDK.
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//
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// Copyright (C) 2024 Advanced Micro Devices, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files(the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and /or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions :
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "ffx_brixelizer_common.h"
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#include "ffx_brixelizer_host_gpu_shared.h"
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void PushAABB(FfxBrixelizerDebugAABB aabb)
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{
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FfxUInt32 offset;
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IncrementContextCounter(FFX_BRIXELIZER_CONTEXT_COUNTER_NUM_DEBUG_AABBS, 1, offset);
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if (offset < GetDebugInfoMaxAABBs()) {
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StoreDebugAABB(offset, aabb);
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}
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}
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void FfxBrixelizerDrawAABBTreeAABB(FfxUInt32 aabb_index)
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{
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// if g_debug_info.debug_state is set to 1 we only want to draw the cascade bounding box
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if (GetDebugInfoDebugState() == 1 && aabb_index > 0) {
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return;
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}
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if (aabb_index == 0) {
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FfxBrixelizerCascadeInfo cascade_info = GetCascadeInfo();
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FfxBrixelizerDebugAABB debug_aabb;
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debug_aabb.color = FfxFloat32x3(1.0f, 0.0f, 0.0f);
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debug_aabb.aabbMin = cascade_info.grid_min;
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debug_aabb.aabbMax = cascade_info.grid_max;
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PushAABB(debug_aabb);
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} else if (aabb_index == 1) {
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// root aabb
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FfxUInt32 index = 16*16*16 + 4*4*4*6;
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FfxBrixelizerDebugAABB debug_aabb;
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debug_aabb.color = FfxFloat32x3(0.0f, 1.0f, 1.0f);
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debug_aabb.aabbMin = LoadCascadeAABBTreeFloat3(index);
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debug_aabb.aabbMax = LoadCascadeAABBTreeFloat3(index + 3);
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PushAABB(debug_aabb);
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} else if (aabb_index <= 1 + 4*4*4) {
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// second level aabb
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FfxUInt32 index = 16*16*16 + (aabb_index - 2)*6;
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FfxBrixelizerDebugAABB debug_aabb;
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debug_aabb.color = FfxFloat32x3(1.0f, 1.0f, 0.0f);
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debug_aabb.aabbMin = LoadCascadeAABBTreeFloat3(index);
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debug_aabb.aabbMax = LoadCascadeAABBTreeFloat3(index + 3);
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if (ffxAsUInt32(debug_aabb.aabbMin.x) == ffxAsUInt32(debug_aabb.aabbMax.x)) {
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return;
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}
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PushAABB(debug_aabb);
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} else if (aabb_index <= 1 + 4*4*4 + 16*16*16) {
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// leaf aabb
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FfxBrixelizerCascadeInfo cascade_info = GetCascadeInfo();
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FfxUInt32 index = aabb_index - (4*4*4 + 1 + 1);
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FfxUInt32 packedAABB = LoadCascadeAABBTreeUInt(index);
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if (packedAABB == FFX_BRIXELIZER_INVALID_BOTTOM_AABB_NODE) {
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return;
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}
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FfxUInt32x3 leaf_offset = FfxBrixelizerUnflattenPOT(index, 4) * 32;
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FfxUInt32x3 aabbMin = leaf_offset + FfxBrixelizerUnflattenPOT(packedAABB & ((1 << 15) - 1), 5);
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FfxUInt32x3 aabbMax = leaf_offset + FfxBrixelizerUnflattenPOT((packedAABB >> 16) & ((1 << 15) - 1), 5) + 1;
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FfxBrixelizerDebugAABB debug_aabb;
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debug_aabb.color = FfxFloat32x3(0.0f, 1.0f, 0.0f);
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debug_aabb.aabbMin = cascade_info.grid_min + FfxFloat32x3(aabbMin) * cascade_info.voxel_size / 8.0f;
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debug_aabb.aabbMax = cascade_info.grid_min + FfxFloat32x3(aabbMax) * cascade_info.voxel_size / 8.0f;
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PushAABB(debug_aabb);
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}
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}
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void FfxBrixelizerDrawInstanceAABB(FfxUInt32 index)
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{
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// XXX -- use debug_state to pass in number of instance IDs
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if (index >= GetDebugInfoDebugState()) {
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return;
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}
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FfxUInt32 instance_id = GetDebugInstanceID(index);
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FfxBrixelizerInstanceInfo instance_info = LoadInstanceInfo(instance_id);
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FfxBrixelizerDebugAABB debug_aabb;
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debug_aabb.color = FfxFloat32x3(0.0f, 0.0f, 1.0f);
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debug_aabb.aabbMin = instance_info.aabbMin;
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debug_aabb.aabbMax = instance_info.aabbMax;
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PushAABB(debug_aabb);
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} |