Swapchain resize and rename to `IDevice` (#1741)

* Swapchain resize

* Fix.

6 files changed, 39 insertions, 31 deletions

diff --git a/tools/platform/gui.cpp b/tools/platform/gui.cpp
index cf7e74acc..5c210f460 100644
--- a/tools/platform/gui.cpp
+++ b/tools/platform/gui.cpp
@@ -40,10 +40,10 @@ void setNativeWindowHook(Window* window, WNDPROC proc);
 
 GUI::GUI(
     Window* window,
-    IRenderer* inRenderer,
+    IDevice* inDevice,
     ICommandQueue* inQueue,
     IFramebufferLayout* framebufferLayout)
-    : renderer(inRenderer)
+    : device(inDevice)
     , queue(inQueue)
 {
      ImGui::CreateContext();
@@ -151,7 +151,7 @@ GUI::GUI(
     programDesc.kernels = &kernelDescs[0];
     programDesc.kernelCount = 2;
 
-    auto program = renderer->createProgram(programDesc);
+    auto program = device->createProgram(programDesc);
 
     vertexShaderBlob->release();
     fragmentShaderBlob->release();
@@ -161,7 +161,7 @@ GUI::GUI(
         {"U", 1, Format::RG_Float32,        offsetof(ImDrawVert, uv) },
         {"U", 2, Format::RGBA_Unorm_UInt8,  offsetof(ImDrawVert, col) },
     };
-    auto inputLayout = renderer->createInputLayout(
+    auto inputLayout = device->createInputLayout(
         &inputElements[0],
         SLANG_COUNT_OF(inputElements));
 
@@ -176,7 +176,7 @@ GUI::GUI(
     descriptorSetLayoutDesc.slotRangeCount = descriptorSetRanges.getCount();
     descriptorSetLayoutDesc.slotRanges = descriptorSetRanges.getBuffer();
 
-    descriptorSetLayout = renderer->createDescriptorSetLayout(descriptorSetLayoutDesc);
+    descriptorSetLayout = device->createDescriptorSetLayout(descriptorSetLayoutDesc);
 
     Slang::List<IPipelineLayout::DescriptorSetDesc> pipelineDescriptorSets;
     pipelineDescriptorSets.add(IPipelineLayout::DescriptorSetDesc(descriptorSetLayout));
@@ -186,7 +186,7 @@ GUI::GUI(
     pipelineLayoutDesc.descriptorSets = pipelineDescriptorSets.getBuffer();
     pipelineLayoutDesc.renderTargetCount = 1;
 
-    pipelineLayout = renderer->createPipelineLayout(pipelineLayoutDesc);
+    pipelineLayout = device->createPipelineLayout(pipelineLayoutDesc);
 
     TargetBlendDesc targetBlendDesc;
     targetBlendDesc.color.srcFactor = BlendFactor::SrcAlpha;
@@ -208,7 +208,7 @@ GUI::GUI(
 
     // TODO: need to set up blending state...
 
-    pipelineState = renderer->createGraphicsPipelineState(pipelineDesc);
+    pipelineState = device->createGraphicsPipelineState(pipelineDesc);
 
     // Initialize the texture atlas
     unsigned char* pixels;
@@ -229,19 +229,20 @@ GUI::GUI(
         initData.numSubResources = 1;
         initData.subResources = subResourceData;
 
-        auto texture = renderer->createTextureResource(IResource::Usage::PixelShaderResource, desc, &initData);
+        auto texture =
+            device->createTextureResource(IResource::Usage::PixelShaderResource, desc, &initData);
 
         gfx::IResourceView::Desc viewDesc;
         viewDesc.format = desc.format;
         viewDesc.type = IResourceView::Type::ShaderResource;
-        auto textureView = renderer->createTextureView(texture, viewDesc);
+        auto textureView = device->createTextureView(texture, viewDesc);
 
         io.Fonts->TexID = (void*) textureView.detach();
     }
 
     {
         ISamplerState::Desc desc;
-        samplerState = renderer->createSamplerState(desc);
+        samplerState = device->createSamplerState(desc);
     }
 
     {
@@ -255,7 +256,7 @@ GUI::GUI(
         colorAccess.storeOp = IRenderPassLayout::AttachmentStoreOp::Store;
         desc.renderTargetAccess = &colorAccess;
         desc.renderTargetCount = 1;
-        renderPass = renderer->createRenderPassLayout(desc);
+        renderPass = device->createRenderPassLayout(desc);
     }
 }
 
@@ -288,15 +289,14 @@ void GUI::endFrame(IFramebuffer* framebuffer)
     vertexBufferDesc.init(vertexCount * sizeof(ImDrawVert));
     vertexBufferDesc.setDefaults(IResource::Usage::VertexBuffer);
     vertexBufferDesc.cpuAccessFlags = IResource::AccessFlag::Write;
-    auto vertexBuffer = renderer->createBufferResource(
-        IResource::Usage::VertexBuffer,
-        vertexBufferDesc);
+    auto vertexBuffer =
+        device->createBufferResource(IResource::Usage::VertexBuffer, vertexBufferDesc);
 
     gfx::IBufferResource::Desc indexBufferDesc;
     indexBufferDesc.init(indexCount * sizeof(ImDrawIdx));
     indexBufferDesc.setDefaults(IResource::Usage::IndexBuffer);
     indexBufferDesc.cpuAccessFlags = IResource::AccessFlag::Write;
-    auto indexBuffer = renderer->createBufferResource(
+    auto indexBuffer = device->createBufferResource(
         IResource::Usage::IndexBuffer,
         indexBufferDesc);
     auto cmdBuf = queue->createCommandBuffer();
@@ -323,9 +323,8 @@ void GUI::endFrame(IFramebuffer* framebuffer)
     constantBufferDesc.init(sizeof(glm::mat4x4));
     constantBufferDesc.setDefaults(IResource::Usage::ConstantBuffer);
     constantBufferDesc.cpuAccessFlags = IResource::AccessFlag::Write;
-    auto constantBuffer = renderer->createBufferResource(
-        IResource::Usage::ConstantBuffer,
-        constantBufferDesc);
+    auto constantBuffer =
+        device->createBufferResource(IResource::Usage::ConstantBuffer, constantBufferDesc);
 
     {
         float L = draw_data->DisplayPos.x;
@@ -389,7 +388,7 @@ void GUI::endFrame(IFramebuffer* framebuffer)
                 renderEncoder->setScissorRects(1, &rect);
 
                 // TODO: This should be a dynamic/transient descriptor set...
-                auto descriptorSet = renderer->createDescriptorSet(descriptorSetLayout, gfx::IDescriptorSet::Flag::Transient);
+                auto descriptorSet = device->createDescriptorSet(descriptorSetLayout, gfx::IDescriptorSet::Flag::Transient);
                 descriptorSet->setConstantBuffer(0, 0, constantBuffer);
                 descriptorSet->setResource(1, 0,
                     (gfx::IResourceView*) command->TextureId);
diff --git a/tools/platform/gui.h b/tools/platform/gui.h
index d22da3299..970f3a4e8 100644
--- a/tools/platform/gui.h
+++ b/tools/platform/gui.h
@@ -13,7 +13,7 @@ namespace platform {
 struct GUI : Slang::RefObject
 {
     GUI(Window* window,
-        gfx::IRenderer* renderer,
+        gfx::IDevice* device,
         gfx::ICommandQueue* queue,
         gfx::IFramebufferLayout* framebufferLayout);
     ~GUI();
@@ -22,7 +22,7 @@ struct GUI : Slang::RefObject
     void endFrame(gfx::IFramebuffer* framebuffer);
 
 private:
-    Slang::ComPtr<gfx::IRenderer>    renderer;
+    Slang::ComPtr<gfx::IDevice> device;
     Slang::ComPtr<gfx::ICommandQueue> queue;
     Slang::ComPtr<gfx::IRenderPassLayout> renderPass;
     Slang::ComPtr<gfx::IPipelineState>       pipelineState;
diff --git a/tools/platform/model.cpp b/tools/platform/model.cpp
index f28577631..287f80958 100644
--- a/tools/platform/model.cpp
+++ b/tools/platform/model.cpp
@@ -98,7 +98,7 @@ namespace gfx
 {
 
 ComPtr<ITextureResource> loadTextureImage(
-    IRenderer*   renderer,
+    IDevice*   device,
     char const* path)
 {
     int extentX = 0;
@@ -187,10 +187,8 @@ ComPtr<ITextureResource> loadTextureImage(
     initData.subResources = &subresourceInitData[0];
     initData.mipRowStrides = &mipRowStrides[0];
 
-    auto texture = renderer->createTextureResource(
-        IResource::Usage::PixelShaderResource,
-        desc,
-        &initData);
+    auto texture =
+        device->createTextureResource(IResource::Usage::PixelShaderResource, desc, &initData);
 
     free(data);
 
@@ -262,7 +260,7 @@ Result ModelLoader::load(
         if(objMaterial.diffuse_texname.length())
         {
             materialData.diffuseMap = loadTextureImage(
-                renderer,
+                device,
                 objMaterial.diffuse_texname.c_str());
         }
 
@@ -542,7 +540,7 @@ Result ModelLoader::load(
     vertexBufferDesc.init(modelData.vertexCount * sizeof(Vertex));
     vertexBufferDesc.setDefaults(IResource::Usage::VertexBuffer);
 
-    modelData.vertexBuffer = renderer->createBufferResource(
+    modelData.vertexBuffer = device->createBufferResource(
         IResource::Usage::VertexBuffer,
         vertexBufferDesc,
         flatVertices.data());
@@ -552,7 +550,7 @@ Result ModelLoader::load(
     indexBufferDesc.init(modelData.indexCount * sizeof(Index));
     vertexBufferDesc.setDefaults(IResource::Usage::IndexBuffer);
 
-    modelData.indexBuffer = renderer->createBufferResource(
+    modelData.indexBuffer = device->createBufferResource(
         IResource::Usage::IndexBuffer,
         indexBufferDesc,
         flatIndices.data());
diff --git a/tools/platform/model.h b/tools/platform/model.h
index 412f10a1d..8cff2c67d 100644
--- a/tools/platform/model.h
+++ b/tools/platform/model.h
@@ -66,7 +66,7 @@ struct ModelLoader
     };
 
     ICallbacks*              callbacks = nullptr;
-    Slang::ComPtr<IRenderer> renderer;
+    Slang::ComPtr<IDevice> device;
     LoadFlags                loadFlags = 0;
     float                    scale = 1.0f;
 
diff --git a/tools/platform/window.h b/tools/platform/window.h
index c776c3ffa..e4a867f0b 100644
--- a/tools/platform/window.h
+++ b/tools/platform/window.h
@@ -146,11 +146,17 @@ struct Rect
     int width, height;
 };
 
+enum class WindowStyle
+{
+    Default, FixedSize,
+};
+
 struct WindowDesc
 {
     char const* title = nullptr;
     int width = 0;
     int height = 0;
+    WindowStyle style = WindowStyle::Default;
 };
 
 class Window : public Slang::RefObject
diff --git a/tools/platform/windows/win-window.cpp b/tools/platform/windows/win-window.cpp
index 0362a6839..8822a6393 100644
--- a/tools/platform/windows/win-window.cpp
+++ b/tools/platform/windows/win-window.cpp
@@ -310,7 +310,12 @@ public:
     Win32PlatformWindow(const WindowDesc& desc)
     {
         DWORD windowExtendedStyle = 0;
-        DWORD style = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU;
+        style = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU;
+        if (desc.style == WindowStyle::Default)
+        {
+            style |= WS_MAXIMIZEBOX | WS_MINIMIZEBOX | WS_THICKFRAME;
+        }
+
         HINSTANCE instance = (HINSTANCE)GetModuleHandle(0);
 
         RECT windowRect;