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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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60
examples/SampleUtils.cpp
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@@ -18,6 +18,7 @@
#include <nxt/nxt.h>
#include <nxt/nxtcpp.h>
#include <nxt/nxt_wsi.h>
#include "GLFW/glfw3.h"
#include <cstring>
@@ -39,9 +40,9 @@ enum class CmdBufType {
static utils::BackendType backendType = utils::BackendType::D3D12;
#elif defined(NXT_ENABLE_BACKEND_METAL)
static utils::BackendType backendType = utils::BackendType::Metal;
#elif defined(NXT_ENABLE_BACKEND_VULKAN)
static utils::BackendType backendType = utils::BackendType::OpenGL;
#elif defined(NXT_ENABLE_BACKEND_OPENGL)
static utils::BackendType backendType = utils::BackendType::OpenGL;
#elif defined(NXT_ENABLE_BACKEND_VULKAN)
static utils::BackendType backendType = utils::BackendType::Vulkan;
#else
#error
@@ -111,6 +112,56 @@ nxt::Device CreateCppNXTDevice() {
return nxt::Device::Acquire(cDevice);
}
uint64_t GetSwapChainImplementation() {
return binding->GetSwapChainImplementation();
}
nxt::SwapChain GetSwapChain(const nxt::Device &device) {
return device.CreateSwapChainBuilder()
.SetImplementation(GetSwapChainImplementation())
.GetResult();
}
nxt::RenderPass CreateDefaultRenderPass(const nxt::Device& device) {
return device.CreateRenderPassBuilder()
.SetAttachmentCount(2)
.AttachmentSetFormat(0, nxt::TextureFormat::R8G8B8A8Unorm)
.AttachmentSetFormat(1, nxt::TextureFormat::D32FloatS8Uint)
.SetSubpassCount(1)
.SubpassSetColorAttachment(0, 0, 0)
.SubpassSetDepthStencilAttachment(0, 1)
.GetResult();
}
nxt::TextureView CreateDefaultDepthStencilView(const nxt::Device& device) {
auto depthStencilTexture = device.CreateTextureBuilder()
.SetDimension(nxt::TextureDimension::e2D)
.SetExtent(640, 480, 1)
.SetFormat(nxt::TextureFormat::D32FloatS8Uint)
.SetMipLevels(1)
.SetAllowedUsage(nxt::TextureUsageBit::OutputAttachment)
.GetResult();
depthStencilTexture.FreezeUsage(nxt::TextureUsageBit::OutputAttachment);
return depthStencilTexture.CreateTextureViewBuilder()
.GetResult();
}
void GetNextFramebuffer(const nxt::Device& device,
const nxt::RenderPass& renderpass,
const nxt::SwapChain& swapchain,
const nxt::TextureView& depthStencilView,
nxt::Texture* backbuffer,
nxt::Framebuffer* framebuffer) {
*backbuffer = swapchain.GetNextTexture();
auto backbufferView = backbuffer->CreateTextureViewBuilder().GetResult();
*framebuffer = device.CreateFramebufferBuilder()
.SetRenderPass(renderpass)
.SetDimensions(640, 480)
.SetAttachment(0, backbufferView)
.SetAttachment(1, depthStencilView)
.GetResult();
}
bool InitSample(int argc, const char** argv) {
for (int i = 0; i < argc; i++) {
if (std::string("-b") == argv[i] || std::string("--backend") == argv[i]) {
@@ -138,7 +189,7 @@ bool InitSample(int argc, const char** argv) {
fprintf(stderr, "--backend expects a backend name (opengl, metal, d3d12, null, vulkan)\n");
return false;
}
if (std::string("-c") == argv[i] || std::string("--comand-buffer") == argv[i]) {
if (std::string("-c") == argv[i] || std::string("--command-buffer") == argv[i]) {
i++;
if (i < argc && std::string("none") == argv[i]) {
cmdBufType = CmdBufType::None;
@@ -161,13 +212,12 @@ bool InitSample(int argc, const char** argv) {
return true;
}
void DoSwapBuffers() {
void DoFlush() {
if (cmdBufType == CmdBufType::Terrible) {
c2sBuf->Flush();
s2cBuf->Flush();
}
glfwPollEvents();
binding->SwapBuffers();
}
bool ShouldQuit() {