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// Copyright (c) 2021-2025 The Khronos Group Inc.
// Copyright (c) 2021-2025 Valve Corporation
// Copyright (c) 2021-2025 LunarG, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#version 450
#extension GL_GOOGLE_include_directive : enable
#include "common.h"
#include "push_data.h"
layout(push_constant)
uniform PushConstants {
CountBufferPushData pc;
};
layout(set = kValPipeDescSet, binding = kPreDrawBinding_CountBuffer) readonly buffer CountBuffer {
uint count_buffer[];
};
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
void main() {
const uint draw_count = count_buffer[ pc.api_count_buffer_offset_dwords ];
if (draw_count == 0) return;
const uint64_t draw_buffer_max_read_offset = pc.api_stride * (draw_count - 1) + pc.api_offset + pc.api_struct_size_byte;
if (draw_buffer_max_read_offset > pc.draw_buffer_size) {
GpuavLogError2(kErrorGroupGpuPreDraw, kErrorSubCodePreDraw_DrawBufferSize, draw_count, 0);
} else if (draw_count > pc.device_limit_max_draw_indirect_count) {
GpuavLogError2(kErrorGroupGpuPreDraw, kErrorSubCodePreDraw_DrawCountLimit, draw_count, 0);
}
}
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