| // Copyright 2019 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. |
| |
| #version 460 |
| |
| // |
| // TTRKS SEGMENT DISPATCH |
| // |
| |
| // |
| // |
| // |
| #extension GL_GOOGLE_include_directive : require |
| |
| // |
| // |
| // |
| #extension GL_EXT_debug_printf : enable |
| |
| // |
| // |
| // |
| #include "config.h" |
| #include "push.h" |
| |
| // |
| // SPN_DEVICE_TTRKS_SEGMENT_WORKGROUP_SIZE must equal 1 |
| // |
| layout(local_size_x = SPN_DEVICE_TTRKS_SEGMENT_DISPATCH_WORKGROUP_SIZE) in; |
| |
| // |
| // Push constants |
| // |
| SPN_PUSH_LAYOUT_TTRKS_SEGMENT_DISPATCH(); |
| |
| // |
| // Buffer references |
| // |
| SPN_BUFFER_DEFINE_TTRKS_HEADER(noaccess, readwrite); |
| |
| // |
| // Local defines |
| // |
| // clang-format off |
| #define SPN_WORKGROUP_TTRKS (SPN_DEVICE_TTRKS_SEGMENT_ROWS * SPN_DEVICE_TTRKS_SEGMENT_WORKGROUP_SIZE) |
| // clang-format on |
| |
| // |
| // This is a single-lane workgroup. |
| // |
| // There should be no need to predicate on (gl_LocalInvocationID.x == 0). |
| // |
| void |
| main() |
| { |
| // |
| // Define ttrks bufref |
| // |
| SPN_BUFREF_DEFINE(SPN_BUFFER_TYPE(ttrks_header), ttrks, push.devaddr_ttrks_header); |
| |
| // |
| // Load ttrks count |
| // |
| const uint32_t ttrks_count = ttrks.count_dispatch.w; |
| |
| // |
| // A workgroup processes a block of TTRKS |
| // |
| const uint32_t wgs = (ttrks_count + SPN_WORKGROUP_TTRKS - 1) / SPN_WORKGROUP_TTRKS; |
| |
| // |
| // Store dispatch |
| // |
| const u32vec4 dispatch = { wgs, 1, 1, ttrks_count }; |
| |
| ttrks.count_dispatch = dispatch; |
| |
| // debugPrintfEXT("TTRKS.DISPATCH: %v4u\n", dispatch); |
| } |
| |
| // |
| // |
| // |
