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Update glTFViewer for render passes and depth stencil state (#39)

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This commit is contained in:
Kai Ninomiya 2017-06-08 19:03:59 -07:00 committed by GitHub
parent 468dafde9d
commit 39c1bce62d
1 changed files with 23 additions and 0 deletions
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23
examples/glTFViewer/glTFViewer.cpp
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@ -71,6 +71,8 @@ struct u_transform_block {
nxt::Device device; nxt::Device device;
nxt::Queue queue; nxt::Queue queue;
nxt::RenderPass renderpass;
nxt::Framebuffer framebuffer;
nxt::Buffer defaultBuffer; nxt::Buffer defaultBuffer;
std::map<std::string, nxt::Buffer> buffers; std::map<std::string, nxt::Buffer> buffers;
@ -252,14 +254,21 @@ namespace {
.SetBindingsType(nxt::ShaderStageBit::Fragment, nxt::BindingType::SampledTexture, 2, 1) .SetBindingsType(nxt::ShaderStageBit::Fragment, nxt::BindingType::SampledTexture, 2, 1)
.GetResult(); .GetResult();
auto depthStencilState = device.CreateDepthStencilStateBuilder()
.SetDepthCompareFunction(nxt::CompareFunction::Less)
.SetDepthWriteEnabled(true)
.GetResult();
auto pipelineLayout = device.CreatePipelineLayoutBuilder() auto pipelineLayout = device.CreatePipelineLayoutBuilder()
.SetBindGroupLayout(0, bindGroupLayout) .SetBindGroupLayout(0, bindGroupLayout)
.GetResult(); .GetResult();
auto pipeline = device.CreatePipelineBuilder() auto pipeline = device.CreatePipelineBuilder()
.SetSubpass(renderpass, 0)
.SetLayout(pipelineLayout) .SetLayout(pipelineLayout)
.SetStage(nxt::ShaderStage::Vertex, oVSModule, "main") .SetStage(nxt::ShaderStage::Vertex, oVSModule, "main")
.SetStage(nxt::ShaderStage::Fragment, oFSModule, "main") .SetStage(nxt::ShaderStage::Fragment, oFSModule, "main")
.SetInputState(inputState) .SetInputState(inputState)
.SetDepthStencilState(depthStencilState)
.GetResult(); .GetResult();
auto uniformBuffer = device.CreateBufferBuilder() auto uniformBuffer = device.CreateBufferBuilder()
@ -458,6 +467,18 @@ namespace {
device = CreateCppNXTDevice(); device = CreateCppNXTDevice();
queue = device.CreateQueueBuilder().GetResult(); queue = device.CreateQueueBuilder().GetResult();
renderpass = device.CreateRenderPassBuilder()
.SetAttachmentCount(1)
.AttachmentSetFormat(0, nxt::TextureFormat::R8G8B8A8Unorm)
.SetSubpassCount(1)
.SubpassSetColorAttachment(0, 0, 0)
.GetResult();
framebuffer = device.CreateFramebufferBuilder()
.SetRenderPass(renderpass)
// attachment 0 -> back buffer
// (implicit) // TODO(kainino@chromium.org): use the texture provided by WSI
.SetDimensions(640, 480)
.GetResult();
initBuffers(); initBuffers();
initSamplers(); initSamplers();
@ -496,6 +517,7 @@ namespace {
material.uniformBuffer.SetSubData(0, material.uniformBuffer.SetSubData(0,
sizeof(u_transform_block) / sizeof(uint32_t), sizeof(u_transform_block) / sizeof(uint32_t),
reinterpret_cast<const uint32_t*>(&transforms)); reinterpret_cast<const uint32_t*>(&transforms));
cmd.BeginRenderPass(renderpass, framebuffer);
cmd.SetPipeline(material.pipeline); cmd.SetPipeline(material.pipeline);
cmd.TransitionBufferUsage(material.uniformBuffer, nxt::BufferUsageBit::Uniform); cmd.TransitionBufferUsage(material.uniformBuffer, nxt::BufferUsageBit::Uniform);
cmd.SetBindGroup(0, material.bindGroup0); cmd.SetBindGroup(0, material.bindGroup0);
@ -539,6 +561,7 @@ namespace {
// DrawArrays // DrawArrays
cmd.DrawArrays(vertexCount, 1, 0, 0); cmd.DrawArrays(vertexCount, 1, 0, 0);
} }
cmd.EndRenderPass();
} }
auto commands = cmd.GetResult(); auto commands = cmd.GetResult();
queue.Submit(1, &commands); queue.Submit(1, &commands);