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Split Mapped usage in MapWrite and MapRead

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Also make use of CreateFrozenBufferFromData where possible in the
example to make the renaming easier.
This commit is contained in:
Corentin Wallez
2017-06-05 15:42:14 -04:00
committed by Corentin Wallez
parent 613eee30c3
commit f45bdb89c6
13 changed files with 35 additions and 138 deletions
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22
examples/ComputeBoids.cpp
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@@ -62,24 +62,10 @@ void initBuffers() {
{0.01, -0.02},
{0.00, 0.02},
};
modelBuffer = device.CreateBufferBuilder()
.SetAllowedUsage(nxt::BufferUsageBit::Mapped | nxt::BufferUsageBit::Vertex)
.SetInitialUsage(nxt::BufferUsageBit::Mapped)
.SetSize(sizeof(model))
.GetResult();
modelBuffer.SetSubData(0, sizeof(model) / sizeof(uint32_t),
reinterpret_cast<uint32_t*>(model));
modelBuffer.FreezeUsage(nxt::BufferUsageBit::Vertex);
modelBuffer = CreateFrozenBufferFromData(device, model, sizeof(model), nxt::BufferUsageBit::Vertex);
SimParams params = { 0.04, 0.1, 0.025, 0.025, 0.02, 0.05, 0.005, kNumParticles };
updateParams = device.CreateBufferBuilder()
.SetAllowedUsage(nxt::BufferUsageBit::Mapped | nxt::BufferUsageBit::Uniform)
.SetInitialUsage(nxt::BufferUsageBit::Mapped)
.SetSize(sizeof(SimParams))
.GetResult();
updateParams.SetSubData(0, sizeof(SimParams) / sizeof(uint32_t),
reinterpret_cast<uint32_t*>(&params));
updateParams.FreezeUsage(nxt::BufferUsageBit::Uniform);
updateParams = CreateFrozenBufferFromData(device, &params, sizeof(params), nxt::BufferUsageBit::Uniform);
std::vector<Particle> initialParticles(kNumParticles);
{
@@ -94,8 +80,8 @@ void initBuffers() {
for (int i = 0; i < 2; i++) {
particleBuffers[i] = device.CreateBufferBuilder()
.SetAllowedUsage(nxt::BufferUsageBit::Mapped | nxt::BufferUsageBit::Vertex | nxt::BufferUsageBit::Storage)
.SetInitialUsage(nxt::BufferUsageBit::Mapped)
.SetAllowedUsage(nxt::BufferUsageBit::MapWrite | nxt::BufferUsageBit::Vertex | nxt::BufferUsageBit::Storage)
.SetInitialUsage(nxt::BufferUsageBit::MapWrite)
.SetSize(sizeof(Particle) * kNumParticles)
.GetResult();