Merge 8935c520c0 into 5a8fb5e2d3

src/app/CMakeLists.txt

@@ -32,6 +32,8 @@ if(WHOA_SYSTEM_MAC)
             "-framework AppKit"
             "-framework Carbon"
             "-framework IOKit"
+            "-framework Metal"
+            "-framework QuartzCore"
     )
 
     install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/mac/MainMenu.nib DESTINATION "bin")

src/app/mac/EngineMTLLayerView.h

@@ -0,0 +1,9 @@
+#ifndef APP_MAC_ENGINE_MTL_LAYER_VIEW_H
+#define APP_MAC_ENGINE_MTL_LAYER_VIEW_H
+
+#include "app/mac/EngineGLLayerView.h"
+
+@interface EngineMTLLayerView : EngineGLLayerView
+@end
+
+#endif

src/app/mac/EngineMTLLayerView.mm

@@ -0,0 +1,36 @@
+#include "app/mac/EngineMTLLayerView.h"
+#import <QuartzCore/CAMetalLayer.h>
+
+@implementation EngineMTLLayerView
+
+- (CALayer*)makeBackingLayer {
+    return [CAMetalLayer layer];
+}
+
+- (id)initWithFrame:(NSRect)frame glWindow:(GLWindow*)window {
+    self = [super initWithFrame:frame glWindow:window];
+
+    if (self) {
+        [self setWantsLayer:YES];
+    }
+
+    return self;
+}
+
+- (void)drawRect:(NSRect)dirtyRect {
+    // Rendering is driven by CGxDeviceMTL.
+}
+
+- (void)update {
+    [super update];
+
+    if (![self.layer isKindOfClass:[CAMetalLayer class]]) {
+        return;
+    }
+
+    CAMetalLayer* layer = (CAMetalLayer*)self.layer;
+    CGSize size = [self convertSizeToBacking:self.bounds.size];
+    layer.drawableSize = size;
+}
+
+@end

src/app/mac/View.mm

@@ -1,7 +1,9 @@
 #include "app/mac/View.h"
 #include "app/mac/EngineGLLayerView.h"
+#include "app/mac/EngineMTLLayerView.h"
 #include "app/mac/WindowCallbacks.h"
 #include "gx/gll/GLWindow.h"
+#include "gx/Device.hpp"
 
 GLWindowCallbacks EngineViewCallbacks = {
     &MacOnResized,
@@ -23,5 +25,9 @@ void AssignEngineViewCallbacks(GLWindowCallbacks* callbacks) {
 }
 
 Class GetEngineViewClass() {
+    if (GxDevApi() == GxApi_Metal) {
+        return [EngineMTLLayerView class];
+    }
+
     return [EngineGLLayerView class];
 }

src/app/mac/WindowCallbacks.mm

@@ -2,6 +2,7 @@
 #include "app/mac/MacClient.h"
 #include "event/Input.hpp"
 #include "gx/gll/CGxDeviceGLL.hpp"
+#include "gx/mtl/CGxDeviceMTL.hpp"
 #include "gx/Device.hpp"
 #include "gx/Window.hpp"
 #include <bc/Debug.hpp>
@@ -171,7 +172,11 @@ void MacOnResized(int32_t width, int32_t height, bool a3) {
         return;
     }
 
-    static_cast<CGxDeviceGLL*>(g_theGxDevicePtr)->Resize(width, height);
+    if (GxDevApi() == GxApi_GLL) {
+        static_cast<CGxDeviceGLL*>(g_theGxDevicePtr)->Resize(width, height);
+    } else if (GxDevApi() == GxApi_Metal) {
+        static_cast<CGxDeviceMTL*>(g_theGxDevicePtr)->Resize(width, height);
+    }
 
     OsQueuePut(OS_INPUT_SIZE, width, height, 0, 0);
 

src/console/Device.cpp

@@ -6,6 +6,7 @@
 #include "gx/Adapter.hpp"
 #include "gx/Device.hpp"
 #include <storm/Array.hpp>
+#include <cstdlib>
 #include <cstring>
 
 static CGxDevice* s_device;
@@ -417,6 +418,13 @@ void ConsoleDeviceInitialize(const char* title) {
     api = GxApi_GLL;
 #endif
 
+#if defined(WHOA_SYSTEM_MAC)
+    const char* apiOverride = getenv("WHOA_GX_API");
+    if (apiOverride && !strcmp(apiOverride, "metal")) {
+        api = GxApi_Metal;
+    }
+#endif
+
     s_device = GxDevCreate(api, OsWindowProc, format);
 
     // TODO

src/gx/CGxDevice.cpp

@@ -18,6 +18,7 @@
 
 #if defined(WHOA_SYSTEM_MAC)
     #include "gx/gll/CGxDeviceGLL.hpp"
+    #include "gx/mtl/CGxDeviceMTL.hpp"
     #include "gx/mac/Display.hpp"
     #include <ApplicationServices/ApplicationServices.h>
     #include <OpenGL/OpenGL.h>
@@ -117,6 +118,8 @@ int32_t CGxDevice::AdapterFormats(EGxApi api, TSGrowableArray<CGxFormat>& adapte
         CGxDevice::OpenGlAdapterFormats(adapterFormats);
     } else if (api == GxApi_GLL) {
         CGxDevice::GLLAdapterFormats(adapterFormats);
+    } else if (api == GxApi_Metal) {
+        CGxDevice::OpenGlAdapterFormats(adapterFormats);
     }
 
 #elif defined(WHOA_SYSTEM_LINUX)
@@ -228,6 +231,11 @@ CGxDevice* CGxDevice::NewGLL() {
     auto m = SMemAlloc(sizeof(CGxDeviceGLL), __FILE__, __LINE__, 0x0);
     return new (m) CGxDeviceGLL();
 }
+
+CGxDevice* CGxDevice::NewMTL() {
+    auto m = SMemAlloc(sizeof(CGxDeviceMTL), __FILE__, __LINE__, 0x0);
+    return new (m) CGxDeviceMTL();
+}
 #endif
 
 CGxDevice* CGxDevice::NewOpenGl() {

src/gx/CGxDevice.hpp

@@ -70,6 +70,7 @@ class CGxDevice {
 #endif
 #if defined(WHOA_SYSTEM_MAC)
         static CGxDevice* NewGLL();
+        static CGxDevice* NewMTL();
 #endif
         static CGxDevice* NewOpenGl();
         static void OpenGlAdapterFormats(TSGrowableArray<CGxFormat>& adapterFormats);

src/gx/CMakeLists.txt

@@ -20,6 +20,7 @@ if(WHOA_SYSTEM_MAC)
     file(GLOB MAC_SOURCES
         "gll/*.cpp"
         "gll/*.mm"
+        "mtl/*.mm"
         "mac/*.cpp"
     )
 

src/gx/Device.cpp

@@ -24,6 +24,8 @@ CGxDevice* GxDevCreate(EGxApi api, int32_t (*windowProc)(void* window, uint32_t
             device = CGxDevice::NewOpenGl();
         } else if (api == GxApi_GLL) {
             device = CGxDevice::NewGLL();
+        } else if (api == GxApi_Metal) {
+            device = CGxDevice::NewMTL();
         } else {
             // Error
         }

src/gx/Types.hpp

@@ -35,7 +35,8 @@ enum EGxApi {
     GxApi_D3d10 = 3,
     GxApi_D3d11 = 4,
     GxApi_GLL = 5,
-    GxApis_Last = 6
+    GxApi_Metal = 6,
+    GxApis_Last = 7
 };
 
 enum EGxBlend {

src/gx/mtl/CGxDeviceMTL.hpp

@@ -0,0 +1,81 @@
+#ifndef GX_MTL_C_GX_DEVICE_MTL_HPP
+#define GX_MTL_C_GX_DEVICE_MTL_HPP
+
+#include "gx/CGxDevice.hpp"
+#include "gx/gll/GLWindow.h"
+
+class CGxBatch;
+class CGxShader;
+
+class CGxDeviceMTL : public CGxDevice {
+    public:
+        // Member variables
+        GLWindow m_window;
+
+        // Virtual member functions
+        void ITexMarkAsUpdated(CGxTex*) override;
+        void IRsSendToHw(EGxRenderState) override;
+        int32_t DeviceCreate(int32_t (*windowProc)(void* window, uint32_t message, uintptr_t wparam, intptr_t lparam), const CGxFormat&) override;
+        int32_t DeviceSetFormat(const CGxFormat&) override;
+        void* DeviceWindow() override;
+        void DeviceWM(EGxWM wm, uintptr_t param1, uintptr_t param2) override {};
+        void CapsWindowSize(CRect&) override;
+        void CapsWindowSizeInScreenCoords(CRect& dst) override;
+        void ScenePresent() override;
+        void SceneClear(uint32_t, CImVector) override;
+        void Draw(CGxBatch* batch, int32_t indexed) override;
+        void PoolSizeSet(CGxPool*, uint32_t) override;
+        char* BufLock(CGxBuf*) override;
+        int32_t BufUnlock(CGxBuf*, uint32_t) override;
+        void BufData(CGxBuf* buf, const void* data, size_t size, uintptr_t offset) override;
+        void TexDestroy(CGxTex* texId) override;
+        void IShaderCreate(CGxShader*) override;
+        void ShaderCreate(CGxShader*[], EGxShTarget, const char*, const char*, int32_t) override;
+        int32_t StereoEnabled(void) override;
+        void XformSetProjection(const C44Matrix& matrix) override;
+
+        // Member functions
+        CGxDeviceMTL();
+        void Resize(uint32_t width, uint32_t height);
+
+    private:
+        void ISetCaps(const CGxFormat& format);
+        void EnsureLibrary();
+        void BeginFrame();
+        void* GetPipeline(EGxVertexBufferFormat format, bool useColor, bool useSkin, bool useTex, int32_t blendMode);
+        void* GetPoolBuffer(CGxPool* pool);
+        void ITexCreate(CGxTex* texId);
+        void ITexUpload(CGxTex* texId);
+        void* GetTexture(CGxTex* texId);
+        void* GetSampler(CGxTex* texId);
+        void EnsureFallbackTexture();
+        void EnsureDepthTexture(uint32_t width, uint32_t height);
+        void* GetDepthState(bool depthTest, bool depthWrite, uint32_t depthFunc);
+        void* m_device = nullptr;
+        void* m_commandQueue = nullptr;
+        void* m_layer = nullptr;
+        void* m_shaderLibrary = nullptr;
+        void* m_pipelineColor[GxVertexBufferFormats_Last][GxBlends_Last] = {};
+        void* m_pipelineSolid[GxVertexBufferFormats_Last][GxBlends_Last] = {};
+        void* m_pipelineSkin[GxVertexBufferFormats_Last][GxBlends_Last] = {};
+        void* m_pipelineColorTex[GxVertexBufferFormats_Last][GxBlends_Last] = {};
+        void* m_pipelineSolidTex[GxVertexBufferFormats_Last][GxBlends_Last] = {};
+        void* m_pipelineSkinTex[GxVertexBufferFormats_Last][GxBlends_Last] = {};
+        void* m_pipelineColorTex2[GxVertexBufferFormats_Last][GxBlends_Last] = {};
+        void* m_pipelineSolidTex2[GxVertexBufferFormats_Last][GxBlends_Last] = {};
+        void* m_pipelineSkinTex2[GxVertexBufferFormats_Last][GxBlends_Last] = {};
+        void* m_frameCommandBuffer = nullptr;
+        void* m_frameEncoder = nullptr;
+        void* m_frameDrawable = nullptr;
+        uint32_t m_frameHasDraw = 0;
+        uint32_t m_clearMask = 0;
+        uint32_t m_clearColor = 0;
+        void* m_fallbackTexture = nullptr;
+        void* m_fallbackSampler = nullptr;
+        void* m_depthTexture = nullptr;
+        uint32_t m_depthWidth = 0;
+        uint32_t m_depthHeight = 0;
+        void* m_depthStates[2][2][4] = {};
+};
+
+#endif

test/CMakeLists.txt

@@ -22,6 +22,8 @@ if(WHOA_SYSTEM_MAC)
             "-framework AppKit"
             "-framework Carbon"
             "-framework IOKit"
+            "-framework Metal"
+            "-framework QuartzCore"
     )
 endif()