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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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6
examples/HelloUBO.cpp
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@@ -66,8 +66,8 @@ void init() {
.GetResult();
buffer = device.CreateBufferBuilder()
.SetAllowedUsage(nxt::BufferUsageBit::Mapped | nxt::BufferUsageBit::Uniform)
.SetInitialUsage(nxt::BufferUsageBit::Mapped)
.SetAllowedUsage(nxt::BufferUsageBit::MapWrite | nxt::BufferUsageBit::Uniform)
.SetInitialUsage(nxt::BufferUsageBit::MapWrite)
.SetSize(sizeof(s))
.GetResult();
@@ -87,7 +87,7 @@ void frame() {
s.b += 0.02;
if (s.b >= 1.0f) {s.b = 0.0f;}
buffer.TransitionUsage(nxt::BufferUsageBit::Mapped);
buffer.TransitionUsage(nxt::BufferUsageBit::MapWrite);
buffer.SetSubData(0, sizeof(s) / sizeof(uint32_t), reinterpret_cast<uint32_t*>(&s));
nxt::CommandBuffer commands = device.CreateCommandBufferBuilder()