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add buffer creation utility function

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This commit is contained in:
Austin Eng
2017-06-01 13:37:47 -04:00
committed by Corentin Wallez
parent 00176858b5
commit 5a67d196be
3 changed files with 20 additions and 25 deletions
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15
examples/Utils.cpp
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@@ -245,6 +245,17 @@ void CreateDefaultRenderPass(const nxt::Device& device, nxt::RenderPass* renderP
.GetResult();
}
nxt::Buffer CreateFrozenBufferFromData(const nxt::Device& device, void* data, uint32_t size, nxt::BufferUsageBit usage) {
nxt::Buffer buffer = device.CreateBufferBuilder()
.SetAllowedUsage(nxt::BufferUsageBit::Mapped | usage)
.SetInitialUsage(nxt::BufferUsageBit::Mapped)
.SetSize(size)
.GetResult();
buffer.SetSubData(0, size / sizeof(uint32_t), reinterpret_cast<const uint32_t*>(data));
buffer.FreezeUsage(usage);
return buffer;
}
extern "C" {
bool InitUtils(int argc, const char** argv) {
for (int i = 0; i < argc; i++) {
@@ -296,6 +307,10 @@ extern "C" {
return CreateShaderModule(device, static_cast<nxt::ShaderStage>(stage), source).Release();
}
nxtBuffer CreateFrozenBufferFromData(nxtDevice device, void* data, uint32_t size, nxtBufferUsageBit usage) {
return CreateFrozenBufferFromData(device, data, size, usage);
}
void DoSwapBuffers() {
if (cmdBufType == CmdBufType::Terrible) {
c2sBuf->Flush();