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Fix cube count & indices logic error in descriptorindexing example

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This commit is contained in:
Stephen Saunders 2022-08-08 02:15:03 -04:00
parent 10fb7f99bb
commit b60f404b0e
1 changed files with 14 additions and 14 deletions
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28
examples/descriptorindexing/descriptorindexing.cpp
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@ -126,15 +126,27 @@ public:
std::uniform_int_distribution<int32_t> rndDist(0, static_cast<uint32_t>(textures.size()) - 1);
// Generate cubes with random per-face texture indices
const uint32_t count = 6;
const uint32_t count = 5;
for (uint32_t i = 0; i < count; i++) {
// Push indices to buffer
const std::vector<uint32_t> cubeIndices = {
0,1,2,0,2,3,
4,5,6,4,6,7,
8,9,10,8,10,11,
12,13,14,12,14,15,
16,17,18,16,18,19,
20,21,22,20,22,23
};
for (auto& index : cubeIndices) {
indices.push_back(index + static_cast<uint32_t>(vertices.size()));
}
// Get random per-Face texture indices that the shader will sample from
int32_t textureIndices[6];
for (uint32_t j = 0; j < 6; j++) {
textureIndices[j] = rndDist(rndEngine);
}
// Push vertices to buffer
float pos = 2.5f * i - (count * 2.5f / 2.0f);
float pos = 2.5f * i - (count * 2.5f / 2.0f) + 1.25f;
const std::vector<Vertex> cube = {
{ { -1.0f + pos, -1.0f, 1.0f }, { 0.0f, 0.0f }, textureIndices[0] },
{ { 1.0f + pos, -1.0f, 1.0f }, { 1.0f, 0.0f }, textureIndices[0] },
@ -169,18 +181,6 @@ public:
for (auto& vertex : cube) {
vertices.push_back(vertex);
}
// Push indices to buffer
const std::vector<uint32_t> cubeIndices = {
0,1,2,0,2,3,
4,5,6,4,6,7,
8,9,10,8,10,11,
12,13,14,12,14,15,
16,17,18,16,18,19,
20,21,22,20,22,23
};
for (auto& index : cubeIndices) {
indices.push_back(index + static_cast<uint32_t>(vertices.size()));
}
}
indexCount = static_cast<uint32_t>(indices.size());