dx9

examples/CMakeLists.txt

@@ -1,7 +1,12 @@
 add_subdirectory(basic)
 if(${MW_TRY_OPENGL})
-add_subdirectory(gldemos)
+  add_subdirectory(gldemos)
 endif()
 if(${MW_TRY_VULKAN})
-add_subdirectory(vkdemos)
+  add_subdirectory(vkdemos)
+endif()
+if(WIN32)
+  if(${MW_TRY_DIRECTX})
+    add_subdirectory(dxdemos)
+  endif()
 endif()

examples/dxdemos/CMakeLists.txt

@@ -0,0 +1,24 @@
+file(
+ GLOB
+ EXAMPLES_DIRECTX_SOURCES
+ *.c
+)
+include(${CMAKE_CURRENT_SOURCE_DIR}/../../resource/FindDirectX.cmake)
+
+if(${DIRECTX_FOUND})
+  foreach(PATH IN LISTS EXAMPLES_DIRECTX_SOURCES)
+    get_filename_component(TARGET ${PATH} NAME_WE)
+    add_executable(${TARGET} MACOSX_BUNDLE ${PATH})
+    target_include_directories(
+  ${TARGET}
+  PRIVATE
+  ${DIRECTX_INCLUDE_DIRS}
+ )
+    target_link_libraries(
+   ${TARGET}
+   PRIVATE
+   Mw
+   ${DIRECTX_D3DX9_LIBRARIES}
+  )
+  endforeach()
+endif()

examples/dxdemos/directx9.c

@@ -0,0 +1,93 @@
+/*
+ * Adapted from:
+ * http://www.directxtutorial.com/Lesson.aspx?lessonid=9-4-1
+ * http://www.directxtutorial.com/Lesson.aspx?lessonid=9-4-4
+ */
+#include <Mw/Milsko.h>
+#include <Mw/Widget/DirectX.h>
+
+MwWidget		window, d3d9;
+LPDIRECT3D9		d3d;
+LPDIRECT3DDEVICE9	d3ddev;
+LPDIRECT3DVERTEXBUFFER9 v_buffer;
+
+struct CUSTOMVERTEX {
+	FLOAT x, y, z, rhw; // from the D3DFVF_XYZRHW flag
+	DWORD color;	    // from the D3DFVF_DIFFUSE flag
+};
+#define CUSTOMFVF (D3DFVF_XYZRHW | D3DFVF_DIFFUSE)
+
+static void MWAPI draw(MwWidget handle, void* user, void* client) {
+	// clear the window to a deep blue
+	d3ddev->lpVtbl->Clear(d3ddev, 0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 40, 100), 1.0f, 0);
+
+	d3ddev->lpVtbl->BeginScene(d3ddev); // begins the 3D scene
+
+	// select which vertex format we are using
+	d3ddev->lpVtbl->SetFVF(d3ddev, CUSTOMFVF);
+
+	// select the vertex buffer to display
+	d3ddev->lpVtbl->SetStreamSource(d3ddev, 0, v_buffer, 0, sizeof(struct CUSTOMVERTEX));
+
+	// copy the vertex buffer to the back buffer
+	d3ddev->lpVtbl->DrawPrimitive(d3ddev, D3DPT_TRIANGLELIST, 0, 1);
+
+	d3ddev->lpVtbl->EndScene(d3ddev); // ends the 3D scene
+
+	d3ddev->lpVtbl->Present(d3ddev, NULL, NULL, NULL, NULL); // displays the created frame
+}
+
+int main() {
+	MwLibraryInit();
+
+	window = MwCreateWidget(MwWindowClass, NULL, NULL, MwDEFAULT, MwDEFAULT, 1024, 768);
+
+	d3d9 = MwCreateWidget(MwD3D9Class, NULL, window, (1024 - 800) / 2, (768 - 600) / 2, 800, 600);
+
+	d3d    = MwDirectXGetD3D9(d3d9);
+	d3ddev = MwDirectXGetD3Dev9(d3d9);
+
+	// create three vertices using the CUSTOMVERTEX struct built earlier
+	struct CUSTOMVERTEX vertices[] =
+	    {
+		{
+		    400.0f,
+		    0.0f,
+		    0.5f,
+		    1.0f,
+		    D3DCOLOR_XRGB(0, 0, 255),
+		},
+		{
+		    800.0f,
+		    600.0f,
+		    0.5f,
+		    1.0f,
+		    D3DCOLOR_XRGB(0, 255, 0),
+		},
+		{
+		    0.0f,
+		    600.0f,
+		    0.5f,
+		    1.0f,
+		    D3DCOLOR_XRGB(255, 0, 0),
+		},
+	    };
+
+	d3ddev->lpVtbl->CreateVertexBuffer(d3ddev,
+					   3 * sizeof(struct CUSTOMVERTEX),
+					   0,
+					   CUSTOMFVF,
+					   D3DPOOL_MANAGED,
+					   &v_buffer,
+					   NULL);
+
+	VOID* pVoid; // the void pointer
+
+	v_buffer->lpVtbl->Lock(v_buffer, 0, 0, (void**)&pVoid, 0); // lock the vertex buffer
+	memcpy(pVoid, vertices, sizeof(vertices));		   // copy the vertices to the locked buffer
+	v_buffer->lpVtbl->Unlock(v_buffer);			   // unlock the vertex buffer
+
+	MwAddUserHandler(window, MwNtickHandler, draw, NULL);
+
+	MwLoop(window);
+}