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Swap chains, part 2 (#94)

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This commit is contained in:
Kai Ninomiya
2017-07-27 18:30:57 -07:00
committed by GitHub
parent 3818e18c5c
commit c16a67ae52
49 changed files with 771 additions and 435 deletions
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19
examples/glTFViewer/glTFViewer.cpp
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@@ -77,8 +77,10 @@ struct u_transform_block {
nxt::Device device;
nxt::Queue queue;
nxt::SwapChain swapchain;
nxt::TextureView depthStencilView;
nxt::RenderPass renderpass;
nxt::Framebuffer framebuffer;
nxt::Framebuffer lastFramebuffer;
nxt::Buffer defaultBuffer;
std::map<std::string, nxt::Buffer> buffers;
@@ -467,7 +469,11 @@ namespace {
device = CreateCppNXTDevice();
queue = device.CreateQueueBuilder().GetResult();
utils::CreateDefaultRenderPass(device, &renderpass, &framebuffer);
swapchain = GetSwapChain(device);
swapchain.Configure(nxt::TextureFormat::R8G8B8A8Unorm, 640, 480);
renderpass = CreateDefaultRenderPass(device);
depthStencilView = CreateDefaultDepthStencilView(device);
initBuffers();
initSamplers();
@@ -506,7 +512,7 @@ namespace {
material.uniformBuffer.SetSubData(0,
sizeof(u_transform_block) / sizeof(uint32_t),
reinterpret_cast<const uint32_t*>(&transforms));
cmd.BeginRenderPass(renderpass, framebuffer);
cmd.BeginRenderPass(renderpass, lastFramebuffer);
cmd.BeginRenderSubpass();
cmd.SetRenderPipeline(material.pipeline);
cmd.TransitionBufferUsage(material.uniformBuffer, nxt::BufferUsageBit::Uniform);
@@ -586,12 +592,17 @@ namespace {
}
void frame() {
nxt::Texture backbuffer;
GetNextFramebuffer(device, renderpass, swapchain, depthStencilView, &backbuffer, &lastFramebuffer);
const auto& defaultSceneNodes = scene.scenes.at(scene.defaultScene);
for (const auto& n : defaultSceneNodes) {
const auto& node = scene.nodes.at(n);
drawNode(node);
}
DoSwapBuffers();
backbuffer.TransitionUsage(nxt::TextureUsageBit::Present);
swapchain.Present(backbuffer);
DoFlush();
}
}