51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#include "testing/testing.h"
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#include "GPU_index_buffer.hh"
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#include "gpu_testing.hh"
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namespace blender::gpu::tests {
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static void test_index_buffer_subbuilders()
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{
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const uint num_subbuilders = 10;
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const uint verts_per_subbuilders = 100;
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const uint vertex_len = num_subbuilders * verts_per_subbuilders;
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GPUIndexBufBuilder builder;
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GPU_indexbuf_init(&builder, GPU_PRIM_POINTS, vertex_len, vertex_len);
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GPUIndexBufBuilder subbuilders[num_subbuilders];
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for (int subbuilder_index = 0; subbuilder_index < num_subbuilders; subbuilder_index++) {
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memcpy(&subbuilders[subbuilder_index], &builder, sizeof(builder));
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}
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for (int subbuilder_index = 0; subbuilder_index < num_subbuilders; subbuilder_index++) {
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GPUIndexBufBuilder &subbuilder = subbuilders[subbuilder_index];
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for (int subbuilder_vert_index = 0; subbuilder_vert_index < verts_per_subbuilders;
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subbuilder_vert_index++)
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{
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int vert_index_to_update = subbuilder_index * verts_per_subbuilders + subbuilder_vert_index;
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GPU_indexbuf_set_point_vert(&subbuilder, vert_index_to_update, vert_index_to_update);
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}
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}
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for (int subbuilder_index = 0; subbuilder_index < num_subbuilders; subbuilder_index++) {
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EXPECT_EQ(builder.index_len, subbuilder_index * verts_per_subbuilders);
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GPU_indexbuf_join(&builder, &subbuilders[subbuilder_index]);
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EXPECT_EQ(builder.index_len, (subbuilder_index + 1) * verts_per_subbuilders);
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}
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IndexBuf *index_buffer = GPU_indexbuf_build(&builder);
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EXPECT_NE(index_buffer, nullptr);
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GPU_INDEXBUF_DISCARD_SAFE(index_buffer);
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}
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GPU_TEST(index_buffer_subbuilders)
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} // namespace blender::gpu::tests
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