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GPU: Refactor API for Clearing Storage Buffers #105521

Merged
Clément Foucault merged 15 commits from Jeroen-Bakker/blender:gpu-storage-buffer-clear-api into main 2023-03-09 18:46:41 +01:00
Conversation 1 Commits 15 Files Changed 10 +8 -4
3 changed files with 8 additions and 4 deletions
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Showing only changes of commit 27fab835cf - Show all commits

1
source/blender/draw/engines/eevee_next/eevee_shadow.cc
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@ -857,6 +857,7 @@ void ShadowModule::end_sync()
PassSimple::Sub &sub = pass.sub("ClearClipmap");
sub.shader_set(inst_.shaders.static_shader_get(SHADOW_CLIPMAP_CLEAR));
sub.bind_ssbo("tilemaps_clip_buf", tilemap_pool.tilemaps_clip);
sub.push_constant("tilemaps_clip_buf_len", int(tilemap_pool.tilemaps_clip.size()));
sub.dispatch(int3(
divide_ceil_u(tilemap_pool.tilemaps_clip.size(), SHADOW_CLIPMAP_GROUP_SIZE), 1, 1));
sub.barrier(GPU_BARRIER_SHADER_STORAGE);

10
source/blender/draw/engines/eevee_next/shaders/eevee_shadow_clipmap_clear_comp.glsl
View File

@ -4,8 +4,10 @@
void main()
{
int index = int(gl_GlobalInvocationID.x);
tilemaps_clip_buf[index].clip_near_stored = 0;
tilemaps_clip_buf[index].clip_far_stored = 0;
tilemaps_clip_buf[index].clip_near = floatBitsToOrderedInt(-FLT_MAX);
tilemaps_clip_buf[index].clip_far = floatBitsToOrderedInt(FLT_MAX);
if (index < tilemaps_clip_buf_len) {
tilemaps_clip_buf[index].clip_near_stored = 0;
tilemaps_clip_buf[index].clip_far_stored = 0;
tilemaps_clip_buf[index].clip_near = floatBitsToOrderedInt(-FLT_MAX);
tilemaps_clip_buf[index].clip_far = floatBitsToOrderedInt(FLT_MAX);
}
}

1
source/blender/draw/engines/eevee_next/shaders/infos/eevee_shadow_info.hh
View File

@ -12,6 +12,7 @@ GPU_SHADER_CREATE_INFO(eevee_shadow_clipmap_clear)
.do_static_compilation(true)
.local_group_size(SHADOW_CLIPMAP_GROUP_SIZE)
.storage_buf(0, Qualifier::WRITE, "ShadowTileMapClip", "tilemaps_clip_buf[]")
.push_constant(Type::INT, "tilemaps_clip_buf_len")
.additional_info("eevee_shared")
.compute_source("eevee_shadow_clipmap_clear_comp.glsl");