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Examples: Refactored directx9_example to be eaasier to copy & paste into user application.

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This commit is contained in:
ocornut 2015-03-09 13:03:46 +00:00
parent b87ec205a9
commit 7397425097
5 changed files with 338 additions and 292 deletions
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6
examples/directx9_example/directx9_example.vcxproj
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@ -48,7 +48,7 @@
<ClCompile>
<WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>$(DXSDK_DIR)Include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>..\..;$(DXSDK_DIR)Include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
@ -63,7 +63,7 @@
<Optimization>MaxSpeed</Optimization>
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<AdditionalIncludeDirectories>$(DXSDK_DIR)Include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>..\..;$(DXSDK_DIR)Include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
@ -76,11 +76,13 @@
</ItemDefinitionGroup>
<ItemGroup>
<ClCompile Include="..\..\imgui.cpp" />
<ClCompile Include="imgui_impl_dx9.cpp" />
<ClCompile Include="main.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\..\imconfig.h" />
<ClInclude Include="..\..\imgui.h" />
<ClInclude Include="imgui_impl_dx9.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">

6
examples/directx9_example/directx9_example.vcxproj.filters
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@ -16,6 +16,9 @@
<ClCompile Include="..\..\imgui.cpp">
<Filter>imgui</Filter>
</ClCompile>
<ClCompile Include="imgui_impl_dx9.cpp">
<Filter>sources</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\..\imconfig.h">
@ -24,5 +27,8 @@
<ClInclude Include="..\..\imgui.h">
<Filter>imgui</Filter>
</ClInclude>
<ClInclude Include="imgui_impl_dx9.h">
<Filter>sources</Filter>
</ClInclude>
</ItemGroup>
</Project>

262
examples/directx9_example/imgui_impl_dx9.cpp Normal file
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@ -0,0 +1,262 @@
// ImGui Win32 + DirectX9 binding
// https://github.com/ocornut/imgui
#include <imgui.h>
#include "imgui_impl_dx9.h"
// DirectX
#include <d3dx9.h>
#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>
// Data
static INT64 g_Time = 0;
static INT64 g_TicksPerSecond = 0;
static bool g_FontTextureLoaded = false;
static LPDIRECT3DDEVICE9 g_pd3dDevice = NULL;
static LPDIRECT3DVERTEXBUFFER9 g_pVB = NULL;
struct CUSTOMVERTEX
{
D3DXVECTOR3 pos;
D3DCOLOR col;
D3DXVECTOR2 uv;
};
#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1)
// This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
// If text or lines are blurry when integrating ImGui in your engine:
// - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
static void ImGui_ImplDX9_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_count)
{
size_t total_vtx_count = 0;
for (int n = 0; n < cmd_lists_count; n++)
total_vtx_count += cmd_lists[n]->vtx_buffer.size();
if (total_vtx_count == 0)
return;
// Copy and convert all vertices into a single contiguous buffer
CUSTOMVERTEX* vtx_dst;
if (g_pVB->Lock(0, (UINT)total_vtx_count, (void**)&vtx_dst, D3DLOCK_DISCARD) < 0)
return;
for (int n = 0; n < cmd_lists_count; n++)
{
const ImDrawList* cmd_list = cmd_lists[n];
const ImDrawVert* vtx_src = &cmd_list->vtx_buffer[0];
for (size_t i = 0; i < cmd_list->vtx_buffer.size(); i++)
{
vtx_dst->pos.x = vtx_src->pos.x;
vtx_dst->pos.y = vtx_src->pos.y;
vtx_dst->pos.z = 0.0f;
vtx_dst->col = (vtx_src->col & 0xFF00FF00) | ((vtx_src->col & 0xFF0000)>>16) | ((vtx_src->col & 0xFF) << 16); // RGBA --> ARGB for DirectX9
vtx_dst->uv.x = vtx_src->uv.x;
vtx_dst->uv.y = vtx_src->uv.y;
vtx_dst++;
vtx_src++;
}
}
g_pVB->Unlock();
g_pd3dDevice->SetStreamSource( 0, g_pVB, 0, sizeof( CUSTOMVERTEX ) );
g_pd3dDevice->SetFVF( D3DFVF_CUSTOMVERTEX );
// Setup render state: alpha-blending, no face culling, no depth testing
g_pd3dDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_NONE );
g_pd3dDevice->SetRenderState( D3DRS_LIGHTING, false );
g_pd3dDevice->SetRenderState( D3DRS_ZENABLE, false );
g_pd3dDevice->SetRenderState( D3DRS_ALPHABLENDENABLE, true );
g_pd3dDevice->SetRenderState( D3DRS_BLENDOP, D3DBLENDOP_ADD );
g_pd3dDevice->SetRenderState( D3DRS_ALPHATESTENABLE, false );
g_pd3dDevice->SetRenderState( D3DRS_SRCBLEND, D3DBLEND_SRCALPHA );
g_pd3dDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
g_pd3dDevice->SetRenderState( D3DRS_SCISSORTESTENABLE, true );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_SELECTARG1 );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_DIFFUSE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
g_pd3dDevice->SetSamplerState( 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR );
g_pd3dDevice->SetSamplerState( 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR );
// Setup orthographic projection matrix
D3DXMATRIXA16 mat;
D3DXMatrixIdentity(&mat);
g_pd3dDevice->SetTransform(D3DTS_WORLD, &mat);
g_pd3dDevice->SetTransform(D3DTS_VIEW, &mat);
D3DXMatrixOrthoOffCenterLH(&mat, 0.5f, ImGui::GetIO().DisplaySize.x+0.5f, ImGui::GetIO().DisplaySize.y+0.5f, 0.5f, -1.0f, +1.0f);
g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &mat);
// Render command lists
int vtx_offset = 0;
for (int n = 0; n < cmd_lists_count; n++)
{
// Render command list
const ImDrawList* cmd_list = cmd_lists[n];
for (size_t cmd_i = 0; cmd_i < cmd_list->commands.size(); cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->commands[cmd_i];
const RECT r = { (LONG)pcmd->clip_rect.x, (LONG)pcmd->clip_rect.y, (LONG)pcmd->clip_rect.z, (LONG)pcmd->clip_rect.w };
g_pd3dDevice->SetTexture( 0, (LPDIRECT3DTEXTURE9)pcmd->texture_id );
g_pd3dDevice->SetScissorRect(&r);
g_pd3dDevice->DrawPrimitive(D3DPT_TRIANGLELIST, vtx_offset, pcmd->vtx_count/3);
vtx_offset += pcmd->vtx_count;
}
}
}
LRESULT ImGui_ImplDX9_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
ImGuiIO& io = ImGui::GetIO();
switch (msg)
{
case WM_LBUTTONDOWN:
io.MouseDown[0] = true;
return true;
case WM_LBUTTONUP:
io.MouseDown[0] = false;
return true;
case WM_RBUTTONDOWN:
io.MouseDown[1] = true;
return true;
case WM_RBUTTONUP:
io.MouseDown[1] = false;
return true;
case WM_MOUSEWHEEL:
io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
return true;
case WM_MOUSEMOVE:
io.MousePos.x = (signed short)(lParam);
io.MousePos.y = (signed short)(lParam >> 16);
return true;
case WM_KEYDOWN:
if (wParam >= 0 && wParam < 256)
io.KeysDown[wParam] = 1;
return true;
case WM_KEYUP:
if (wParam >= 0 && wParam < 256)
io.KeysDown[wParam] = 0;
return true;
case WM_CHAR:
// You can also use ToAscii()+GetKeyboardState() to retrieve characters.
if (wParam > 0 && wParam < 0x10000)
io.AddInputCharacter((unsigned short)wParam);
return true;
}
return 0;
}
void ImGui_ImplDX9_InitFontsTexture()
{
ImGuiIO& io = ImGui::GetIO();
// Build
unsigned char* pixels;
int width, height, bytes_per_pixel;
io.Fonts->GetTexDataAsAlpha8(&pixels, &width, &height, &bytes_per_pixel);
// Create DX9 texture
LPDIRECT3DTEXTURE9 pTexture = NULL;
if (D3DXCreateTexture(g_pd3dDevice, width, height, 1, D3DUSAGE_DYNAMIC, D3DFMT_A8, D3DPOOL_DEFAULT, &pTexture) < 0)
{
IM_ASSERT(0);
return;
}
D3DLOCKED_RECT tex_locked_rect;
if (pTexture->LockRect(0, &tex_locked_rect, NULL, 0) != D3D_OK)
{
IM_ASSERT(0);
return;
}
for (int y = 0; y < height; y++)
memcpy((unsigned char *)tex_locked_rect.pBits + tex_locked_rect.Pitch * y, pixels + (width * bytes_per_pixel) * y, (width * bytes_per_pixel));
pTexture->UnlockRect(0);
// Store our identifier
io.Fonts->TexID = (void *)pTexture;
g_FontTextureLoaded = true;
}
bool ImGui_ImplDX9_Init(void* hwnd, IDirect3DDevice9* device, bool install_callbacks)
{
g_pd3dDevice = device;
if (!QueryPerformanceFrequency((LARGE_INTEGER *)&g_TicksPerSecond))
return false;
if (!QueryPerformanceCounter((LARGE_INTEGER *)&g_Time))
return false;
// FIXME
RECT rect;
GetClientRect((HWND)hwnd, &rect);
int display_w = (int)(rect.right - rect.left);
int display_h = (int)(rect.bottom - rect.top);
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2((float)display_w, (float)display_h); // Display size, in pixels. For clamping windows positions.
io.KeyMap[ImGuiKey_Tab] = VK_TAB; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array that we will update during the application lifetime.
io.KeyMap[ImGuiKey_LeftArrow] = VK_LEFT;
io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;
io.KeyMap[ImGuiKey_UpArrow] = VK_UP;
io.KeyMap[ImGuiKey_DownArrow] = VK_UP;
io.KeyMap[ImGuiKey_Home] = VK_HOME;
io.KeyMap[ImGuiKey_End] = VK_END;
io.KeyMap[ImGuiKey_Delete] = VK_DELETE;
io.KeyMap[ImGuiKey_Backspace] = VK_BACK;
io.KeyMap[ImGuiKey_Enter] = VK_RETURN;
io.KeyMap[ImGuiKey_Escape] = VK_ESCAPE;
io.KeyMap[ImGuiKey_A] = 'A';
io.KeyMap[ImGuiKey_C] = 'C';
io.KeyMap[ImGuiKey_V] = 'V';
io.KeyMap[ImGuiKey_X] = 'X';
io.KeyMap[ImGuiKey_Y] = 'Y';
io.KeyMap[ImGuiKey_Z] = 'Z';
io.RenderDrawListsFn = ImGui_ImplDX9_RenderDrawLists;
io.ImeWindowHandle = hwnd;
// Create the vertex buffer
if (g_pd3dDevice->CreateVertexBuffer(10000 * sizeof(CUSTOMVERTEX), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &g_pVB, NULL) < 0)
return false;
return true;
}
void ImGui_ImplDX9_Shutdown()
{
if (g_pVB)
{
g_pVB->Release();
g_pVB = NULL;
}
if (LPDIRECT3DTEXTURE9 tex = (LPDIRECT3DTEXTURE9)ImGui::GetIO().Fonts->TexID)
{
tex->Release();
ImGui::GetIO().Fonts->TexID = 0;
}
ImGui::Shutdown();
}
void ImGui_ImplDX9_NewFrame()
{
if (!g_FontTextureLoaded)
ImGui_ImplDX9_InitFontsTexture();
ImGuiIO& io = ImGui::GetIO();
// Setup time step
INT64 current_time;
QueryPerformanceCounter((LARGE_INTEGER *)&current_time);
io.DeltaTime = (float)(current_time - g_Time) / g_TicksPerSecond;
g_Time = current_time;
// Read keyboard modifiers inputs
io.KeyCtrl = (GetKeyState(VK_CONTROL) & 0x8000) != 0;
io.KeyShift = (GetKeyState(VK_SHIFT) & 0x8000) != 0;
// io.KeysDown : filled by WM_KEYDOWN/WM_KEYUP events
// io.MousePos : filled by WM_MOUSEMOVE events
// io.MouseDown : filled by WM_*BUTTON* events
// io.MouseWheel : filled by WM_MOUSEWHEEL events
// Start the frame
ImGui::NewFrame();
}

16
examples/directx9_example/imgui_impl_dx9.h Normal file
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@ -0,0 +1,16 @@
// ImGui Win32 + DirectX9 binding
// https://github.com/ocornut/imgui
struct IDirect3DDevice9;
bool ImGui_ImplDX9_Init(void* hwnd, IDirect3DDevice9* device, bool install_callbacks);
void ImGui_ImplDX9_InitFontsTexture();
void ImGui_ImplDX9_Shutdown();
void ImGui_ImplDX9_NewFrame();
// Handler for Win32 messages, update mouse/keyboard data.
// You may or not need this for your implementation, but it can serve as reference for handling inputs.
// Commented out to avoid dragging dependencies on <windows.h> types. You can copy the extern declaration in your code.
/*
extern LRESULT ImGui_ImplDX9_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
*/

340
examples/directx9_example/main.cpp
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@ -1,112 +1,44 @@
// ImGui - standalone example application for DirectX 9
// TODO: Allow resizing the application window.
#include <windows.h>
#include "../../imgui.h"
// DirectX 9
#include <imgui.h>
#include "imgui_impl_dx9.h"
#include <d3dx9.h>
#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>
#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strdup
static HWND hWnd;
static LPDIRECT3D9 g_pD3D = NULL; // Used to create the D3DDevice
static LPDIRECT3DDEVICE9 g_pd3dDevice = NULL; // Our rendering device
static LPDIRECT3DVERTEXBUFFER9 g_pVB = NULL; // Buffer to hold vertices
struct CUSTOMVERTEX
extern LRESULT ImGui_ImplDX9_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
D3DXVECTOR3 pos;
D3DCOLOR col;
D3DXVECTOR2 uv;
};
#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1)
if (ImGui_ImplDX9_WndProcHandler(hWnd, msg, wParam, lParam))
return true;
// This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
// If text or lines are blurry when integrating ImGui in your engine:
// - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
static void ImImpl_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_count)
{
size_t total_vtx_count = 0;
for (int n = 0; n < cmd_lists_count; n++)
total_vtx_count += cmd_lists[n]->vtx_buffer.size();
if (total_vtx_count == 0)
return;
// Copy and convert all vertices into a single contiguous buffer
CUSTOMVERTEX* vtx_dst;
if (g_pVB->Lock(0, (UINT)total_vtx_count, (void**)&vtx_dst, D3DLOCK_DISCARD) < 0)
return;
for (int n = 0; n < cmd_lists_count; n++)
switch (msg)
{
const ImDrawList* cmd_list = cmd_lists[n];
const ImDrawVert* vtx_src = &cmd_list->vtx_buffer[0];
for (size_t i = 0; i < cmd_list->vtx_buffer.size(); i++)
{
vtx_dst->pos.x = vtx_src->pos.x;
vtx_dst->pos.y = vtx_src->pos.y;
vtx_dst->pos.z = 0.0f;
vtx_dst->col = (vtx_src->col & 0xFF00FF00) | ((vtx_src->col & 0xFF0000)>>16) | ((vtx_src->col & 0xFF) << 16); // RGBA --> ARGB for DirectX9
vtx_dst->uv.x = vtx_src->uv.x;
vtx_dst->uv.y = vtx_src->uv.y;
vtx_dst++;
vtx_src++;
}
}
g_pVB->Unlock();
g_pd3dDevice->SetStreamSource( 0, g_pVB, 0, sizeof( CUSTOMVERTEX ) );
g_pd3dDevice->SetFVF( D3DFVF_CUSTOMVERTEX );
// Setup render state: alpha-blending, no face culling, no depth testing
g_pd3dDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_NONE );
g_pd3dDevice->SetRenderState( D3DRS_LIGHTING, false );
g_pd3dDevice->SetRenderState( D3DRS_ZENABLE, false );
g_pd3dDevice->SetRenderState( D3DRS_ALPHABLENDENABLE, true );
g_pd3dDevice->SetRenderState( D3DRS_BLENDOP, D3DBLENDOP_ADD );
g_pd3dDevice->SetRenderState( D3DRS_ALPHATESTENABLE, false );
g_pd3dDevice->SetRenderState( D3DRS_SRCBLEND, D3DBLEND_SRCALPHA );
g_pd3dDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
g_pd3dDevice->SetRenderState( D3DRS_SCISSORTESTENABLE, true );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_SELECTARG1 );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_DIFFUSE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
g_pd3dDevice->SetSamplerState( 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR );
g_pd3dDevice->SetSamplerState( 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR );
// Setup orthographic projection matrix
D3DXMATRIXA16 mat;
D3DXMatrixIdentity(&mat);
g_pd3dDevice->SetTransform(D3DTS_WORLD, &mat);
g_pd3dDevice->SetTransform(D3DTS_VIEW, &mat);
D3DXMatrixOrthoOffCenterLH(&mat, 0.5f, ImGui::GetIO().DisplaySize.x+0.5f, ImGui::GetIO().DisplaySize.y+0.5f, 0.5f, -1.0f, +1.0f);
g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &mat);
// Render command lists
int vtx_offset = 0;
for (int n = 0; n < cmd_lists_count; n++)
{
// Render command list
const ImDrawList* cmd_list = cmd_lists[n];
for (size_t cmd_i = 0; cmd_i < cmd_list->commands.size(); cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->commands[cmd_i];
const RECT r = { (LONG)pcmd->clip_rect.x, (LONG)pcmd->clip_rect.y, (LONG)pcmd->clip_rect.z, (LONG)pcmd->clip_rect.w };
g_pd3dDevice->SetTexture( 0, (LPDIRECT3DTEXTURE9)pcmd->texture_id );
g_pd3dDevice->SetScissorRect(&r);
g_pd3dDevice->DrawPrimitive(D3DPT_TRIANGLELIST, vtx_offset, pcmd->vtx_count/3);
vtx_offset += pcmd->vtx_count;
}
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
HRESULT InitDeviceD3D(HWND hWnd)
int main(int argc, char** argv)
{
if (NULL == (g_pD3D = Direct3DCreate9(D3D_SDK_VERSION)))
return E_FAIL;
// Register the window class
WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, LoadCursor(NULL, IDC_ARROW), NULL, NULL, L"ImGui Example", NULL };
RegisterClassEx(&wc);
// Create the application's window
HWND hwnd = CreateWindow(L"ImGui Example", L"ImGui DirectX9 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
// Initialize Direct3D
LPDIRECT3D9 pD3D;
if ((pD3D = Direct3DCreate9(D3D_SDK_VERSION)) == NULL)
{
UnregisterClass(L"ImGui Example", wc.hInstance);
return 0;
}
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory(&d3dpp, sizeof(d3dpp));
d3dpp.Windowed = TRUE;
@ -117,207 +49,32 @@ HRESULT InitDeviceD3D(HWND hWnd)
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
// Create the D3DDevice
if (g_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &d3dpp, &g_pd3dDevice) < 0)
return E_FAIL;
return S_OK;
}
void CleanupDevice()
{
// InitImGui
if (g_pVB) g_pVB->Release();
// InitDeviceD3D
if (LPDIRECT3DTEXTURE9 tex = (LPDIRECT3DTEXTURE9)ImGui::GetIO().Fonts->TexID)
tex->Release();
if (g_pd3dDevice) g_pd3dDevice->Release();
if (g_pD3D) g_pD3D->Release();
}
LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
ImGuiIO& io = ImGui::GetIO();
switch (msg)
LPDIRECT3DDEVICE9 pd3dDevice = NULL;
if (pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hwnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &d3dpp, &pd3dDevice) < 0)
{
case WM_LBUTTONDOWN:
io.MouseDown[0] = true;
return true;
case WM_LBUTTONUP:
io.MouseDown[0] = false;
return true;
case WM_RBUTTONDOWN:
io.MouseDown[1] = true;
return true;
case WM_RBUTTONUP:
io.MouseDown[1] = false;
return true;
case WM_MOUSEWHEEL:
io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
return true;
case WM_MOUSEMOVE:
// Mouse position, in pixels (set to -1,-1 if no mouse / on another screen, etc.)
io.MousePos.x = (signed short)(lParam);
io.MousePos.y = (signed short)(lParam >> 16);
return true;
case WM_KEYDOWN:
if (wParam >= 0 && wParam < 256)
io.KeysDown[wParam] = 1;
return true;
case WM_KEYUP:
if (wParam >= 0 && wParam < 256)
io.KeysDown[wParam] = 0;
return true;
case WM_CHAR:
// You can also use ToAscii()+GetKeyboardState() to retrieve characters.
if (wParam > 0 && wParam < 0x10000)
io.AddInputCharacter((unsigned short)wParam);
return true;
case WM_DESTROY:
CleanupDevice();
PostQuitMessage(0);
pD3D->Release();
UnregisterClass(L"ImGui Example", wc.hInstance);
return 0;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
void LoadFontsTexture()
{
// Load one or more font
ImGuiIO& io = ImGui::GetIO();
ShowWindow(hwnd, SW_SHOWDEFAULT);
UpdateWindow(hwnd);
// ImGui
ImGui_ImplDX9_Init(hwnd, pd3dDevice, true);
//ImGuiIO& io = ImGui::GetIO();
//ImFont* my_font1 = io.Fonts->AddFontDefault();
//ImFont* my_font2 = io.Fonts->AddFontFromFileTTF("extra_fonts/Karla-Regular.ttf", 15.0f);
//ImFont* my_font3 = io.Fonts->AddFontFromFileTTF("extra_fonts/ProggyClean.ttf", 13.0f); my_font3->DisplayOffset.y += 1;
//ImFont* my_font4 = io.Fonts->AddFontFromFileTTF("extra_fonts/ProggyTiny.ttf", 10.0f); my_font4->DisplayOffset.y += 1;
//ImFont* my_font5 = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, io.Fonts->GetGlyphRangesJapanese());
// Build
unsigned char* pixels;
int width, height, bytes_per_pixel;
io.Fonts->GetTexDataAsAlpha8(&pixels, &width, &height, &bytes_per_pixel);
// Create texture
LPDIRECT3DTEXTURE9 pTexture = NULL;
if (D3DXCreateTexture(g_pd3dDevice, width, height, 1, D3DUSAGE_DYNAMIC, D3DFMT_A8, D3DPOOL_DEFAULT, &pTexture) < 0)
{
IM_ASSERT(0);
return;
}
// Copy pixels
D3DLOCKED_RECT tex_locked_rect;
if (pTexture->LockRect(0, &tex_locked_rect, NULL, 0) != D3D_OK)
{
IM_ASSERT(0);
return;
}
for (int y = 0; y < height; y++)
memcpy((unsigned char *)tex_locked_rect.pBits + tex_locked_rect.Pitch * y, pixels + (width * bytes_per_pixel) * y, (width * bytes_per_pixel));
pTexture->UnlockRect(0);
// Store our identifier
io.Fonts->TexID = (void *)pTexture;
}
void InitImGui()
{
RECT rect;
GetClientRect(hWnd, &rect);
int display_w = (int)(rect.right - rect.left);
int display_h = (int)(rect.bottom - rect.top);
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2((float)display_w, (float)display_h); // Display size, in pixels. For clamping windows positions.
io.DeltaTime = 1.0f/60.0f; // Time elapsed since last frame, in seconds (in this sample app we'll override this every frame because our time step is variable)
io.KeyMap[ImGuiKey_Tab] = VK_TAB; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array that we will update during the application lifetime.
io.KeyMap[ImGuiKey_LeftArrow] = VK_LEFT;
io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;
io.KeyMap[ImGuiKey_UpArrow] = VK_UP;
io.KeyMap[ImGuiKey_DownArrow] = VK_UP;
io.KeyMap[ImGuiKey_Home] = VK_HOME;
io.KeyMap[ImGuiKey_End] = VK_END;
io.KeyMap[ImGuiKey_Delete] = VK_DELETE;
io.KeyMap[ImGuiKey_Backspace] = VK_BACK;
io.KeyMap[ImGuiKey_Enter] = VK_RETURN;
io.KeyMap[ImGuiKey_Escape] = VK_ESCAPE;
io.KeyMap[ImGuiKey_A] = 'A';
io.KeyMap[ImGuiKey_C] = 'C';
io.KeyMap[ImGuiKey_V] = 'V';
io.KeyMap[ImGuiKey_X] = 'X';
io.KeyMap[ImGuiKey_Y] = 'Y';
io.KeyMap[ImGuiKey_Z] = 'Z';
io.RenderDrawListsFn = ImImpl_RenderDrawLists;
io.ImeWindowHandle = hWnd;
// Create the vertex buffer
if (g_pd3dDevice->CreateVertexBuffer(10000 * sizeof(CUSTOMVERTEX), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &g_pVB, NULL) < 0)
{
IM_ASSERT(0);
return;
}
LoadFontsTexture();
}
INT64 ticks_per_second = 0;
INT64 last_time = 0;
void UpdateImGui()
{
ImGuiIO& io = ImGui::GetIO();
// Setup time step
INT64 current_time;
QueryPerformanceCounter((LARGE_INTEGER *)&current_time);
io.DeltaTime = (float)(current_time - last_time) / ticks_per_second;
last_time = current_time;
// Read keyboard modifiers inputs
io.KeyCtrl = (GetKeyState(VK_CONTROL) & 0x8000) != 0;
io.KeyShift = (GetKeyState(VK_SHIFT) & 0x8000) != 0;
// io.KeysDown : filled by WM_KEYDOWN/WM_KEYUP events
// io.MousePos : filled by WM_MOUSEMOVE events
// io.MouseDown : filled by WM_*BUTTON* events
// io.MouseWheel : filled by WM_MOUSEWHEEL events
// Start the frame
ImGui::NewFrame();
}
int main(int argc, char** argv)
{
// Register the window class
WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, LoadCursor(NULL, IDC_ARROW), NULL, NULL, L"ImGui Example", NULL };
RegisterClassEx(&wc);
// Create the application's window
hWnd = CreateWindow(L"ImGui Example", L"ImGui DirectX9 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
if (!QueryPerformanceFrequency((LARGE_INTEGER *)&ticks_per_second))
return 1;
if (!QueryPerformanceCounter((LARGE_INTEGER *)&last_time))
return 1;
// Initialize Direct3D
if (InitDeviceD3D(hWnd) < 0)
{
CleanupDevice();
UnregisterClass(L"ImGui Example", wc.hInstance);
return 1;
}
// Show the window
ShowWindow(hWnd, SW_SHOWDEFAULT);
UpdateWindow(hWnd);
InitImGui();
ImGui_ImplDX9_InitFontsTexture();
bool show_test_window = true;
bool show_another_window = false;
ImVec4 clear_col = ImColor(114, 144, 154);
// Enter the message loop
// Main loop
MSG msg;
ZeroMemory(&msg, sizeof(msg));
while (msg.message != WM_QUIT)
@ -328,7 +85,7 @@ int main(int argc, char** argv)
DispatchMessage(&msg);
continue;
}
UpdateImGui();
ImGui_ImplDX9_NewFrame();
// 1. Show a simple window
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
@ -358,21 +115,24 @@ int main(int argc, char** argv)
}
// Rendering
g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, false);
g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, false);
g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, false);
pd3dDevice->SetRenderState(D3DRS_ZENABLE, false);
pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, false);
pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, false);
D3DCOLOR clear_col_dx = D3DCOLOR_RGBA((int)(clear_col.x*255.0f), (int)(clear_col.y*255.0f), (int)(clear_col.z*255.0f), (int)(clear_col.w*255.0f));
g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, clear_col_dx, 1.0f, 0);
if (g_pd3dDevice->BeginScene() >= 0)
pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, clear_col_dx, 1.0f, 0);
if (pd3dDevice->BeginScene() >= 0)
{
ImGui::Render();
g_pd3dDevice->EndScene();
pd3dDevice->EndScene();
}
g_pd3dDevice->Present(NULL, NULL, NULL, NULL);
pd3dDevice->Present(NULL, NULL, NULL, NULL);
}
ImGui::Shutdown();
ImGui_ImplDX9_Shutdown();
if (pd3dDevice) pd3dDevice->Release();
if (pD3D) pD3D->Release();
UnregisterClass(L"ImGui Example", wc.hInstance);
return 0;
}