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xxGraphicD3D6.cpp
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//==============================================================================
// xxGraphic : Direct3D 6.0 Source
//
// Copyright (c) 2019-2025 TAiGA
// https://github.com/metarutaiga/xxGraphic
//==============================================================================
#define DIRECTDRAW_VERSION 0x600
#define DIRECT3D_VERSION 0x600
#define D3D_OVERLOADS
#include "xxSystem.h"
#include "dxsdk/ddraw.h"
#include "dxsdk/d3d.h"
#include "internal/xxGraphicInternalD3D.h"
#include "xxGraphicD3D6.h"
typedef HRESULT (WINAPI *PFN_DIRECT_DRAW_CREATE)(GUID*, LPDIRECTDRAW*, IUnknown*);
#define D3DRTYPE_CONSTANTBUFFER 0
#define D3DRTYPE_INDEXBUFFER 1
#define D3DRTYPE_VERTEXBUFFER 2
#define D3DRTYPE_STORAGEBUFFER 3
#define D3DRTYPE_INSTANCEBUFFER 4
static void* g_ddrawLibrary = nullptr;
static LPDIRECTDRAW4 g_ddraw = nullptr;
static LPDIRECTDRAWSURFACE4 g_primarySurface = nullptr;
#if USE_VB
static LPDIRECT3DVERTEXBUFFER g_vertexBuffer = nullptr;
#else
static D3DVERTEXBUFFER3* g_vertexBuffer = nullptr;
#endif
//==============================================================================
// Instance
//==============================================================================
uint64_t xxCreateInstanceD3D6()
{
if (g_ddrawLibrary == nullptr)
g_ddrawLibrary = xxLoadLibrary("ddraw.dll");
if (g_ddrawLibrary == nullptr)
return 0;
PFN_DIRECT_DRAW_CREATE DirectDrawCreate;
(void*&)DirectDrawCreate = xxGetProcAddress(g_ddrawLibrary, "DirectDrawCreate");
if (DirectDrawCreate == nullptr)
return 0;
LPDIRECTDRAW ddraw = nullptr;
if (ddraw == nullptr)
{
HRESULT result = DirectDrawCreate(nullptr, &ddraw, nullptr);
if (result != S_OK)
return 0;
ddraw->SetCooperativeLevel(nullptr, DDSCL_FPUSETUP | DDSCL_NORMAL);
}
LPDIRECTDRAW4 ddraw4 = nullptr;
if (ddraw4 == nullptr)
{
HRESULT result = ddraw->QueryInterface(IID_PPV_ARGS(&ddraw4));
if (result != S_OK)
return 0;
ddraw->Release();
}
g_ddraw = ddraw4;
LPDIRECT3D3 d3d = nullptr;
HRESULT result = ddraw4->QueryInterface(IID_PPV_ARGS(&d3d));
if (result != S_OK)
return 0;
PatchD3DIM("d3dim.dll");
xxRegisterFunction(D3D6);
return reinterpret_cast<uint64_t>(d3d);
}
//------------------------------------------------------------------------------
void xxDestroyInstanceD3D6(uint64_t instance)
{
LPDIRECT3D3 d3d = reinterpret_cast<LPDIRECT3D3>(instance);
SafeRelease(d3d);
SafeRelease(g_ddraw);
if (g_ddrawLibrary)
{
xxFreeLibrary(g_ddrawLibrary);
g_ddrawLibrary = nullptr;
}
xxUnregisterFunction();
}
//==============================================================================
// Device
//==============================================================================
uint64_t xxCreateDeviceD3D6(uint64_t instance)
{
LPDIRECT3D3 d3d = reinterpret_cast<LPDIRECT3D3>(instance);
if (d3d == nullptr)
return 0;
LPDIRECTDRAWSURFACE4 primarySurface = nullptr;
if (primarySurface == nullptr)
{
DDSURFACEDESC2 desc = {};
desc.dwSize = sizeof(DDSURFACEDESC2);
desc.dwFlags = DDSD_CAPS;
desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
HRESULT result = g_ddraw->CreateSurface(&desc, &primarySurface, nullptr);
if (result != S_OK)
return 0;
g_primarySurface = primarySurface;
}
LPDIRECTDRAWSURFACE4 backSurface = nullptr;
if (backSurface == nullptr)
{
DDSURFACEDESC2 desc = {};
desc.dwSize = sizeof(DDSURFACEDESC2);
desc.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS;
desc.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
desc.dwWidth = 1;
desc.dwHeight = 1;
HRESULT result = g_ddraw->CreateSurface(&desc, &backSurface, nullptr);
if (result != S_OK)
return 0;
}
LPDIRECT3DDEVICE3 d3dDevice = nullptr;
d3d->CreateDevice(__uuidof(IDirect3DHALDevice), backSurface, &d3dDevice, nullptr);
if (d3dDevice == nullptr)
{
backSurface->Release();
return 0;
}
backSurface->Release();
LPDIRECT3DVIEWPORT3 viewport = nullptr;
d3d->CreateViewport(&viewport, nullptr);
d3dDevice->AddViewport(viewport);
d3dDevice->SetCurrentViewport(viewport);
viewport->Release();
IUnknown* unknown = nullptr;
xxLocalBreak()
{
if (d3dDevice->QueryInterface(__uuidof(IDirect3DDevice3), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "6.0", xxGetInstanceName());
break;
}
}
SafeRelease(unknown);
return reinterpret_cast<uint64_t>(d3dDevice);
}
//------------------------------------------------------------------------------
void xxDestroyDeviceD3D6(uint64_t device)
{
LPDIRECT3DDEVICE3 d3dDevice = reinterpret_cast<LPDIRECT3DDEVICE3>(device);
SafeRelease(d3dDevice);
SafeRelease(g_primarySurface);
}
//------------------------------------------------------------------------------
bool xxResetDeviceD3D6(uint64_t device)
{
return false;
}
//------------------------------------------------------------------------------
bool xxTestDeviceD3D6(uint64_t device)
{
HRESULT hResult = g_ddraw->TestCooperativeLevel();
while (hResult == DDERR_NOEXCLUSIVEMODE || hResult == DDERR_EXCLUSIVEMODEALREADYSET)
{
Sleep(100);
hResult = g_ddraw->TestCooperativeLevel();
}
return hResult == DD_OK;
}
//==============================================================================
// Swapchain
//==============================================================================
uint64_t xxCreateSwapchainD3D6(uint64_t device, uint64_t renderPass, void* view, int width, int height, uint64_t oldSwapchain)
{
LPDIRECT3DDEVICE3 d3dDevice = reinterpret_cast<LPDIRECT3DDEVICE3>(device);
if (d3dDevice == nullptr)
return 0;
D3DSWAPCHAIN3* d3dOldSwapchain = reinterpret_cast<D3DSWAPCHAIN3*>(oldSwapchain);
if (d3dOldSwapchain && d3dOldSwapchain->hWnd == view && d3dOldSwapchain->width == width && d3dOldSwapchain->height == height)
return oldSwapchain;
D3DSWAPCHAIN3* swapchain = xxAlloc(D3DSWAPCHAIN3);
if (swapchain == nullptr)
return 0;
xxDestroySwapchainD3D6(oldSwapchain);
HWND hWnd = (HWND)view;
LPDIRECTDRAWSURFACE4 backSurface = nullptr;
if (backSurface == nullptr)
{
DDSURFACEDESC2 desc = {};
desc.dwSize = sizeof(DDSURFACEDESC2);
desc.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS;
desc.ddsCaps.dwCaps = DDSCAPS_VIDEOMEMORY | DDSCAPS_3DDEVICE;
desc.dwWidth = width;
desc.dwHeight = height;
HRESULT result = g_ddraw->CreateSurface(&desc, &backSurface, nullptr);
if (result != S_OK)
return 0;
}
LPDIRECTDRAWSURFACE4 depthSurface = nullptr;
if (depthSurface == nullptr)
{
DDSURFACEDESC2 desc = {};
desc.dwSize = sizeof(DDSURFACEDESC2);
desc.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS | DDSD_PIXELFORMAT;
desc.ddsCaps.dwCaps = DDSCAPS_ZBUFFER | DDSCAPS_VIDEOMEMORY;
desc.dwWidth = width;
desc.dwHeight = height;
desc.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
desc.ddpfPixelFormat.dwFlags = DDPF_ZBUFFER | DDPF_STENCILBUFFER;
desc.ddpfPixelFormat.dwZBufferBitDepth = 32;
desc.ddpfPixelFormat.dwStencilBitDepth = 8;
desc.ddpfPixelFormat.dwZBitMask = 0x00FFFFFF;
desc.ddpfPixelFormat.dwStencilBitMask = 0xFF000000;
HRESULT result = g_ddraw->CreateSurface(&desc, &depthSurface, nullptr);
if (result != S_OK)
{
backSurface->Release();
return 0;
}
backSurface->AddAttachedSurface(depthSurface);
}
LPDIRECTDRAWCLIPPER clipper = nullptr;
if (clipper == nullptr)
{
HRESULT result = g_ddraw->CreateClipper(0, &clipper, nullptr);
if (result != S_OK)
{
backSurface->Release();
depthSurface->Release();
return 0;
}
clipper->SetHWnd(0, hWnd);
}
swapchain->backSurface = backSurface;
swapchain->depthSurface = depthSurface;
swapchain->clipper = clipper;
swapchain->hWnd = hWnd;
swapchain->width = width;
swapchain->height = height;
return reinterpret_cast<uint64_t>(swapchain);
}
//------------------------------------------------------------------------------
void xxDestroySwapchainD3D6(uint64_t swapchain)
{
D3DSWAPCHAIN3* d3dSwapchain = reinterpret_cast<D3DSWAPCHAIN3*>(swapchain);
if (d3dSwapchain == nullptr)
return;
SafeRelease(d3dSwapchain->backSurface);
SafeRelease(d3dSwapchain->depthSurface);
SafeRelease(d3dSwapchain->clipper);
xxFree(d3dSwapchain);
}
//------------------------------------------------------------------------------
void xxPresentSwapchainD3D6(uint64_t swapchain)
{
D3DSWAPCHAIN3* d3dSwapchain = reinterpret_cast<D3DSWAPCHAIN3*>(swapchain);
if (d3dSwapchain == nullptr)
return;
RECT rect = {};
GetClientRect(d3dSwapchain->hWnd, &rect);
ClientToScreen(d3dSwapchain->hWnd, (POINT*)&rect.left);
ClientToScreen(d3dSwapchain->hWnd, (POINT*)&rect.right);
g_primarySurface->SetClipper(d3dSwapchain->clipper);
g_primarySurface->Blt(&rect, d3dSwapchain->backSurface, nullptr, DDBLT_WAIT, nullptr);
}
//==============================================================================
// Framebuffer
//==============================================================================
uint64_t xxCreateFramebufferD3D6(uint64_t device, uint64_t texture)
{
return 0;
}
//------------------------------------------------------------------------------
void xxDestroyFramebufferD3D6(uint64_t framebuffer)
{
}
//------------------------------------------------------------------------------
uint64_t xxGetFramebufferD3D6(uint64_t device, uint64_t swapchain, float* scale)
{
if (scale)
{
(*scale) = 1.0f;
}
return swapchain;
}
//==============================================================================
// Command Buffer
//==============================================================================
uint64_t xxGetCommandBufferD3D6(uint64_t device, uint64_t swapchain)
{
LPDIRECT3DDEVICE3 d3dDevice = reinterpret_cast<LPDIRECT3DDEVICE3>(device);
if (d3dDevice == nullptr)
return 0;
D3DSWAPCHAIN3* d3dSwapchain = reinterpret_cast<D3DSWAPCHAIN3*>(swapchain);
if (d3dSwapchain == nullptr)
return 0;
HRESULT hResult = d3dDevice->SetRenderTarget(d3dSwapchain->backSurface, 0);
if (hResult != S_OK)
return 0;
return device;
}
//------------------------------------------------------------------------------
bool xxBeginCommandBufferD3D6(uint64_t commandBuffer)
{
LPDIRECT3DDEVICE3 d3dDevice = reinterpret_cast<LPDIRECT3DDEVICE3>(commandBuffer);
if (d3dDevice == nullptr)
return false;
HRESULT hResult = d3dDevice->BeginScene();
return (hResult == S_OK);
}
//------------------------------------------------------------------------------
void xxEndCommandBufferD3D6(uint64_t commandBuffer)
{
LPDIRECT3DDEVICE3 d3dDevice = reinterpret_cast<LPDIRECT3DDEVICE3>(commandBuffer);
if (d3dDevice == nullptr)
return;
HRESULT hResult = d3dDevice->EndScene();
}
//------------------------------------------------------------------------------
void xxSubmitCommandBufferD3D6(uint64_t commandBuffer, uint64_t swapchain)
{
}
//==============================================================================
// Render Pass
//==============================================================================
uint64_t xxCreateRenderPassD3D6(uint64_t device, bool clearColor, bool clearDepth, bool clearStencil, bool storeColor, bool storeDepth, bool storeStencil)
{
DWORD flags = 0;
if (clearColor)
flags |= D3DCLEAR_TARGET;
if (clearDepth)
flags |= D3DCLEAR_ZBUFFER;
if (clearStencil)
flags |= D3DCLEAR_STENCIL;
return flags;
}
//------------------------------------------------------------------------------
void xxDestroyRenderPassD3D6(uint64_t renderPass)
{
}
//------------------------------------------------------------------------------
uint64_t xxBeginRenderPassD3D6(uint64_t commandBuffer, uint64_t framebuffer, uint64_t renderPass, int width, int height, float color[4], float depth, unsigned char stencil)
{
LPDIRECT3DDEVICE3 d3dDevice = reinterpret_cast<LPDIRECT3DDEVICE3>(commandBuffer);
if (d3dDevice == nullptr)
return 0;
D3DFRAMEBUFFER3* d3dFramebuffer = reinterpret_cast<D3DFRAMEBUFFER3*>(framebuffer);
if (d3dFramebuffer == nullptr)
return 0;
DWORD d3dFlags = static_cast<DWORD>(renderPass);
if (d3dFlags)
{
LPDIRECT3DVIEWPORT3 viewport = nullptr;
d3dDevice->GetCurrentViewport(&viewport);
viewport->Release();
D3DVIEWPORT2 vp = {};
vp.dwSize = sizeof(D3DVIEWPORT2);
vp.dwX = 0;
vp.dwY = 0;
vp.dwWidth = width;
vp.dwHeight = height;
vp.dvClipX = -1.0f;
vp.dvClipY = 1.0f;
vp.dvClipWidth = 2.0f;
vp.dvClipHeight = 2.0f;
vp.dvMinZ = 0.0f;
vp.dvMaxZ = 1.0f;
viewport->SetViewport2(&vp);
D3DRECT rect = {};
rect.lX2 = width;
rect.lY2 = height;
viewport->Clear2(1, &rect, d3dFlags, D3DRGBA(color[0], color[1], color[2], color[3]), depth, stencil);
}
return commandBuffer;
}
//------------------------------------------------------------------------------
void xxEndRenderPassD3D6(uint64_t commandEncoder, uint64_t framebuffer, uint64_t renderPass)
{
}
//==============================================================================
// Vertex Attribute
//==============================================================================
uint64_t xxCreateVertexAttributeD3D6(uint64_t device, int count, int* attribute)
{
D3DVERTEXATTRIBUTE3 d3dVertexAttribute = {};
int stride = 0;
for (int i = 0; i < count; ++i)
{
int stream = (*attribute++);
int offset = (*attribute++);
int element = (*attribute++);
int size = (*attribute++);
(void)stream;
stride += size;
if (element == 'POS3' && size == sizeof(float) * 3)
{
d3dVertexAttribute.fvf |= D3DFVF_XYZ;
d3dVertexAttribute.offset |= 1 << (offset / sizeof(float));
}
if (element == 'NOR3' && size == sizeof(float) * 3)
{
d3dVertexAttribute.fvf |= D3DFVF_NORMAL;
d3dVertexAttribute.offset |= 1 << (offset / sizeof(float));
}
if (element == 'COL4' && size == sizeof(char) * 4)
{
d3dVertexAttribute.fvf |= D3DFVF_DIFFUSE;
d3dVertexAttribute.offset |= 1 << (offset / sizeof(float));
}
if (element == 'TEX2' && size == sizeof(float) * 2)
{
d3dVertexAttribute.fvf += D3DFVF_TEX1;
d3dVertexAttribute.offset |= 1 << (offset / sizeof(float));
}
}
d3dVertexAttribute.stride = stride;
return static_cast<uint64_t>(d3dVertexAttribute.value);
}
//------------------------------------------------------------------------------
void xxDestroyVertexAttributeD3D6(uint64_t vertexAttribute)
{
}
//==============================================================================
// Buffer
//==============================================================================
uint64_t xxCreateConstantBufferD3D6(uint64_t device, int size)
{
char* d3dBuffer = xxAlloc(char, size);
return reinterpret_cast<uint64_t>(d3dBuffer) | D3DRTYPE_CONSTANTBUFFER;
}
//------------------------------------------------------------------------------
uint64_t xxCreateIndexBufferD3D6(uint64_t device, int size, int bits)
{
char* d3dBuffer = xxAlloc(char, size);
return reinterpret_cast<uint64_t>(d3dBuffer) | D3DRTYPE_INDEXBUFFER;
}
//------------------------------------------------------------------------------
uint64_t xxCreateVertexBufferD3D6(uint64_t device, int size, uint64_t vertexAttribute)
{
#if USE_VB
LPDIRECT3DDEVICE3 d3dDevice = reinterpret_cast<LPDIRECT3DDEVICE3>(device);
if (d3dDevice == nullptr)
return 0;
LPDIRECT3D3 d3d = nullptr;
if (d3d == nullptr)
{
HRESULT result = d3dDevice->GetDirect3D(&d3d);
if (result != S_OK)
return 0;
d3d->Release();
}
D3DVERTEXATTRIBUTE3 d3dVertexAttribute = { vertexAttribute };
D3DVERTEXBUFFERDESC desc = {};
desc.dwSize = sizeof(D3DVERTEXBUFFERDESC);
desc.dwCaps = D3DVBCAPS_WRITEONLY;
desc.dwFVF = d3dVertexAttribute.fvf;
desc.dwNumVertices = (size / d3dVertexAttribute.stride);
LPDIRECT3DVERTEXBUFFER buffer = nullptr;
HRESULT result = d3d->CreateVertexBuffer(&desc, &buffer, 0, nullptr);
if (result != S_OK)
return 0;
return reinterpret_cast<uint64_t>(buffer) | D3DRTYPE_VERTEXBUFFER;
#else
D3DVERTEXATTRIBUTE2 d3dVertexAttribute = { vertexAttribute };
if (d3dVertexAttribute.stride == 0)
return 0;
D3DVERTEXBUFFER3* d3dVertexBuffer = xxAlloc(D3DVERTEXBUFFER3);
if (d3dVertexBuffer == nullptr)
return 0;
D3DDRAWPRIMITIVESTRIDEDDATA* stridedData = xxAlloc(D3DDRAWPRIMITIVESTRIDEDDATA);
if (stridedData == nullptr)
{
xxFree(d3dVertexBuffer);
return 0;
}
d3dVertexBuffer->buffer = xxAlloc(char, size);
d3dVertexBuffer->size = size;
d3dVertexBuffer->count = size / d3dVertexAttribute.stride;
d3dVertexBuffer->fvf = d3dVertexAttribute.fvf;
d3dVertexBuffer->address = stridedData;
int offsetBits = d3dVertexAttribute.offset;
if (d3dVertexAttribute.fvf & D3DFVF_XYZ)
{
int offset = xxCountTrailingZeros(offsetBits);
offsetBits &= ~(1 << offset);
stridedData->position.lpvData = (char*)d3dVertexBuffer->buffer + offset * 4;
stridedData->position.dwStride = d3dVertexAttribute.stride;
}
if (d3dVertexAttribute.fvf & D3DFVF_NORMAL)
{
int offset = xxCountTrailingZeros(offsetBits);
offsetBits &= ~(1 << offset);
stridedData->normal.lpvData = (char*)d3dVertexBuffer->buffer + offset * 4;
stridedData->normal.dwStride = d3dVertexAttribute.stride;
}
if (d3dVertexAttribute.fvf & D3DFVF_DIFFUSE)
{
int offset = xxCountTrailingZeros(offsetBits);
offsetBits &= ~(1 << offset);
stridedData->diffuse.lpvData = (char*)d3dVertexBuffer->buffer + offset * 4;
stridedData->diffuse.dwStride = d3dVertexAttribute.stride;
}
if (d3dVertexAttribute.fvf & D3DFVF_TEX1)
{
int offset = xxCountTrailingZeros(offsetBits);
offsetBits &= ~(1 << offset);
stridedData->textureCoords[0].lpvData = (char*)d3dVertexBuffer->buffer + offset * 4;
stridedData->textureCoords[0].dwStride = d3dVertexAttribute.stride;
}
return reinterpret_cast<uint64_t>(d3dVertexBuffer) | D3DRTYPE_VERTEXBUFFER;
#endif
}
//------------------------------------------------------------------------------
uint64_t xxCreateStorageBufferD3D6(uint64_t device, int size)
{
char* d3dBuffer = xxAlloc(char, size);
return reinterpret_cast<uint64_t>(d3dBuffer) | D3DRTYPE_STORAGEBUFFER;
}
//------------------------------------------------------------------------------
uint64_t xxCreateInstanceBufferD3D6(uint64_t device, int size)
{
char* d3dBuffer = xxAlloc(char, size);
return reinterpret_cast<uint64_t>(d3dBuffer) | D3DRTYPE_INSTANCEBUFFER;
}
//------------------------------------------------------------------------------
void xxDestroyBufferD3D6(uint64_t device, uint64_t buffer)
{
switch (getResourceType(buffer))
{
case D3DRTYPE_CONSTANTBUFFER:
case D3DRTYPE_INDEXBUFFER:
case D3DRTYPE_STORAGEBUFFER:
case D3DRTYPE_INSTANCEBUFFER:
{
char* d3dBuffer = reinterpret_cast<char*>(getResourceData(buffer));
xxFree(d3dBuffer);
break;
}
case D3DRTYPE_VERTEXBUFFER:
{
#if USE_VB
LPDIRECT3DVERTEXBUFFER d3dVertexBuffer = reinterpret_cast<LPDIRECT3DVERTEXBUFFER>(getResourceData(buffer));
if (d3dVertexBuffer == nullptr)
return;
d3dVertexBuffer->Release();
#else
D3DVERTEXBUFFER3* d3dVertexBuffer = reinterpret_cast<D3DVERTEXBUFFER3*>(getResourceData(buffer));
if (d3dVertexBuffer == nullptr)
break;
xxFree(d3dVertexBuffer->buffer);
xxFree(d3dVertexBuffer->address);
xxFree(d3dVertexBuffer);
#endif
break;
}
default:
break;
}
}
//------------------------------------------------------------------------------
void* xxMapBufferD3D6(uint64_t device, uint64_t buffer)
{
switch (getResourceType(buffer))
{
case D3DRTYPE_CONSTANTBUFFER:
case D3DRTYPE_INDEXBUFFER:
case D3DRTYPE_STORAGEBUFFER:
case D3DRTYPE_INSTANCEBUFFER:
{
char* ptr = reinterpret_cast<char*>(getResourceData(buffer));
if (ptr == nullptr)
break;
return ptr;
}
case D3DRTYPE_VERTEXBUFFER:
{
#if USE_VB
LPDIRECT3DVERTEXBUFFER d3dVertexBuffer = reinterpret_cast<LPDIRECT3DVERTEXBUFFER>(getResourceData(buffer));
if (d3dVertexBuffer == nullptr)
return nullptr;
void* ptr = nullptr;
HRESULT hResult = d3dVertexBuffer->Lock(DDLOCK_DISCARDCONTENTS, &ptr, nullptr);
if (hResult != S_OK)
break;
return ptr;
#else
D3DVERTEXBUFFER3* d3dVertexBuffer = reinterpret_cast<D3DVERTEXBUFFER3*>(getResourceData(buffer));
if (d3dVertexBuffer == nullptr)
break;
return d3dVertexBuffer->buffer;
#endif
}
default:
break;
}
return nullptr;
}
//------------------------------------------------------------------------------
void xxUnmapBufferD3D6(uint64_t device, uint64_t buffer)
{
switch (getResourceType(buffer))
{
case D3DRTYPE_CONSTANTBUFFER:
case D3DRTYPE_INDEXBUFFER:
case D3DRTYPE_STORAGEBUFFER:
case D3DRTYPE_INSTANCEBUFFER:
{
return;
}
case D3DRTYPE_VERTEXBUFFER:
{
#if USE_VB
LPDIRECT3DVERTEXBUFFER d3dVertexBuffer = reinterpret_cast<LPDIRECT3DVERTEXBUFFER>(getResourceData(buffer));
if (d3dVertexBuffer == nullptr)
return;
d3dVertexBuffer->Unlock();
#endif
return;
}
default:
break;
}
}
//==============================================================================
// Texture
//==============================================================================
uint64_t xxCreateTextureD3D6(uint64_t device, uint64_t format, int width, int height, int depth, int mipmap, int array, void const* external)
{
DDPIXELFORMAT pixelFormat;
switch (format)
{
case "RGB565"_CC: pixelFormat = { 0, DDPF_RGB, 0, 16, 0xFF, 0xFF00, 0xFF0000 }; break;
case "BGR565"_CC: pixelFormat = { 0, DDPF_RGB, 0, 16, 0xFF0000, 0xFF00, 0xFF }; break;
case "ARGB1555"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 16, 0xF800, 0x7C0, 0x3E, 0x1 }; break;
case "ABGR1555"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 16, 0x3E, 0x7C0, 0xF800, 0x1 }; break;
case "ARGB4444"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 16, 0xF0, 0xF00, 0xF000, 0xF }; break;
case "ABGR4444"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 16, 0xF000, 0xF00, 0xF0, 0xF }; break;
case "RGBA4444"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 16, 0xF, 0xF0, 0xF00, 0xF000 }; break;
case "BGRA4444"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 16, 0xF00, 0xF0, 0xF, 0xF000 }; break;
case "RGBA5551"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 16, 0x1F, 0x3E0, 0x7C00, 0x8000 }; break;
case "BGRA5551"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 16, 0x7C00, 0x3E0, 0x1F, 0x8000 }; break;
case "ARGB8888"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 32, 0xFF00, 0xFF0000, 0xFF000000, 0xFF }; break;
case "RGBA8888"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 32, 0xFF, 0xFF00, 0xFF0000, 0xFF000000 }; break;
case "ABGR8888"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 32, 0xFF000000, 0xFF0000, 0xFF00, 0xFF }; break;
case "BGRA8888"_CC: pixelFormat = { 0, DDPF_RGB | DDPF_ALPHAPIXELS, 0, 32, 0xFF0000, 0xFF00, 0xFF, 0xFF000000 }; break;
case "DS24"_cc: pixelFormat = { 0, DDPF_ZBUFFER | DDPF_STENCILBUFFER, 0, 24, 8 }; break;
case "BC1"_cc:
case "DXT1"_cc: pixelFormat = { 0, DDPF_FOURCC, "DXT1"_cc }; break;
case "BC2"_cc:
case "DXT3"_cc: pixelFormat = { 0, DDPF_FOURCC, "DXT3"_cc }; break;
case "BC3"_cc:
case "DXT5"_cc: pixelFormat = { 0, DDPF_FOURCC, "DXT5"_cc }; break;
case "BC4S"_cc: pixelFormat = { 0, DDPF_FOURCC, "ATI1"_cc }; break;
case "BC4U"_cc:
case "ATI1"_cc: pixelFormat = { 0, DDPF_FOURCC, "ATI1"_cc }; break;
case "BC5S"_cc: pixelFormat = { 0, DDPF_FOURCC, "ATI2"_cc }; break;
case "BC5U"_cc:
case "ATI2"_cc: pixelFormat = { 0, DDPF_FOURCC, "ATI2"_cc }; break;
case "BC6H"_cc: pixelFormat = { 0, DDPF_FOURCC, "DXT5"_cc }; break;
case "BC7"_cc: pixelFormat = { 0, DDPF_FOURCC, "DXT5"_cc }; break;
default:
xxLog("xxGraphic", "Unknown format (%.8s)", &format);
return 0;
}
DDSURFACEDESC2 desc = {};
desc.dwSize = sizeof(DDSURFACEDESC2);
desc.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT;
desc.ddsCaps.dwCaps = DDSCAPS_TEXTURE;
desc.ddsCaps.dwCaps2 = DDSCAPS2_HINTDYNAMIC;
desc.dwWidth = width;
desc.dwHeight = height;
desc.ddpfPixelFormat = pixelFormat;
desc.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
LPDIRECTDRAWSURFACE4 surface = nullptr;
HRESULT result = g_ddraw->CreateSurface(&desc, &surface, nullptr);
if (result != S_OK)
return 0;
LPDIRECT3DTEXTURE2 texture = nullptr;
surface->QueryInterface(IID_PPV_ARGS(&texture));
surface->Release();
return reinterpret_cast<uint64_t>(texture);
}
//------------------------------------------------------------------------------
void xxDestroyTextureD3D6(uint64_t texture)
{
LPDIRECT3DTEXTURE2 d3dTexture = reinterpret_cast<LPDIRECT3DTEXTURE2>(texture);
SafeRelease(d3dTexture);
}
//------------------------------------------------------------------------------
void* xxMapTextureD3D6(uint64_t device, uint64_t texture, int* stride, int level, int array)
{
LPDIRECT3DTEXTURE2 d3dTexture = reinterpret_cast<LPDIRECT3DTEXTURE2>(texture);
if (d3dTexture == nullptr)
return nullptr;
LPDIRECTDRAWSURFACE4 surface = nullptr;
d3dTexture->QueryInterface(IID_PPV_ARGS(&surface));
if (surface == nullptr)
return nullptr;
surface->Release();
DDSURFACEDESC2 desc = {};
if (desc.dwSize == 0)
{
desc.dwSize = sizeof(DDSURFACEDESC2);
HRESULT result = surface->GetSurfaceDesc(&desc);
if (result != S_OK)
return nullptr;
}
HRESULT result = surface->Lock(nullptr, &desc, DDLOCK_WAIT, nullptr);
if (result != S_OK)
return nullptr;
(*stride) = desc.lPitch;
return desc.lpSurface;
}
//------------------------------------------------------------------------------
void xxUnmapTextureD3D6(uint64_t device, uint64_t texture, int level, int array)
{
LPDIRECT3DTEXTURE2 d3dTexture = reinterpret_cast<LPDIRECT3DTEXTURE2>(texture);
if (d3dTexture == nullptr)
return;
LPDIRECTDRAWSURFACE4 surface = nullptr;
d3dTexture->QueryInterface(IID_PPV_ARGS(&surface));
if (surface == nullptr)
return;
surface->Release();
surface->Unlock(nullptr);
}
//==============================================================================
// Sampler
//==============================================================================
uint64_t xxCreateSamplerD3D6(uint64_t device, bool clampU, bool clampV, bool clampW, bool linearMag, bool linearMin, bool linearMip, int anisotropy)
{
D3DSAMPLER3 d3dSampler = {};
d3dSampler.addressU = clampU ? D3DTADDRESS_CLAMP : D3DTADDRESS_WRAP;
d3dSampler.addressV = clampV ? D3DTADDRESS_CLAMP : D3DTADDRESS_WRAP;
d3dSampler.addressW = clampW ? D3DTADDRESS_CLAMP : D3DTADDRESS_WRAP;
d3dSampler.magFilter = linearMag ? D3DTFG_LINEAR : D3DTFG_POINT;
d3dSampler.minFilter = linearMin ? D3DTFN_LINEAR : D3DTFN_POINT;
d3dSampler.mipFilter = linearMip ? D3DTFP_LINEAR : D3DTFP_POINT;
d3dSampler.anisotropy = anisotropy;
if (anisotropy > 1)
{
d3dSampler.magFilter = linearMag ? D3DTFG_ANISOTROPIC : D3DTFG_POINT;
d3dSampler.minFilter = linearMin ? D3DTFN_ANISOTROPIC : D3DTFN_POINT;
}
return static_cast<uint64_t>(d3dSampler.value);
}
//------------------------------------------------------------------------------
void xxDestroySamplerD3D6(uint64_t sampler)
{
}
//==============================================================================
// Shader
//==============================================================================
uint64_t xxCreateMeshShaderD3D6(uint64_t device, char const* shader)
{
return 0;
}
//------------------------------------------------------------------------------
uint64_t xxCreateVertexShaderD3D6(uint64_t device, char const* shader, uint64_t vertexAttribute)
{
return 0;
}
//------------------------------------------------------------------------------
uint64_t xxCreateFragmentShaderD3D6(uint64_t device, char const* shader)
{
return 0;
}
//------------------------------------------------------------------------------
void xxDestroyShaderD3D6(uint64_t device, uint64_t shader)
{
}
//==============================================================================
// Pipeline
//==============================================================================
uint64_t xxCreateBlendStateD3D6(uint64_t device, char const* sourceColor, char const* operationColor, char const* destinationColor, char const* sourceAlpha, char const* operationAlpha, char const* destinationAlpha)
{
D3DRENDERSTATE3 d3dRenderState = {};
d3dRenderState.blendSourceColor = d3dBlendFactor(sourceColor);
d3dRenderState.blendDestinationColor = d3dBlendFactor(destinationColor);
d3dRenderState.blendEnable = (d3dRenderState.blendSourceColor != D3DBLEND_ONE ||
d3dRenderState.blendDestinationColor != D3DBLEND_ZERO) ? TRUE : FALSE;
return static_cast<uint64_t>(d3dRenderState.value);
}
//------------------------------------------------------------------------------
uint64_t xxCreateDepthStencilStateD3D6(uint64_t device, char const* depthTest, bool depthWrite)
{
D3DRENDERSTATE3 d3dRenderState = {};
d3dRenderState.depthTest = d3dCompareOp(depthTest);
d3dRenderState.depthWrite = depthWrite;
d3dRenderState.depthEnable = (d3dRenderState.depthTest != D3DCMP_ALWAYS ||
d3dRenderState.depthWrite != FALSE) ? TRUE : FALSE;
return static_cast<uint64_t>(d3dRenderState.value);
}
//------------------------------------------------------------------------------
uint64_t xxCreateRasterizerStateD3D6(uint64_t device, bool cull, bool scissor)
{
D3DRENDERSTATE3 d3dRenderState = {};
d3dRenderState.cull = cull;
d3dRenderState.scissor = scissor;
return static_cast<uint64_t>(d3dRenderState.value);
}
//------------------------------------------------------------------------------
uint64_t xxCreatePipelineD3D6(uint64_t device, uint64_t renderPass, uint64_t blendState, uint64_t depthStencilState, uint64_t rasterizerState, uint64_t vertexAttribute, uint64_t meshShader, uint64_t vertexShader, uint64_t fragmentShader)
{
D3DPIPELINE3* d3dPipeline = xxAlloc(D3DPIPELINE3);
if (d3dPipeline == nullptr)
return 0;
DWORD d3dVertexShader = static_cast<DWORD>(vertexShader);
DWORD d3dPixelShader = static_cast<DWORD>(fragmentShader);
D3DRENDERSTATE3 d3dBlendState = { blendState };
D3DRENDERSTATE3 d3dDepthStencilState = { depthStencilState };
D3DRENDERSTATE3 d3dRasterizerState = { rasterizerState };
d3dPipeline->renderState.blendEnable = d3dBlendState.blendEnable;
d3dPipeline->renderState.blendSourceColor = d3dBlendState.blendSourceColor;
d3dPipeline->renderState.blendDestinationColor = d3dBlendState.blendDestinationColor;
d3dPipeline->renderState.depthEnable = d3dDepthStencilState.depthEnable;
d3dPipeline->renderState.depthTest = d3dDepthStencilState.depthTest;
d3dPipeline->renderState.depthWrite = d3dDepthStencilState.depthWrite;
d3dPipeline->renderState.cull = d3dRasterizerState.cull;
d3dPipeline->renderState.scissor = d3dRasterizerState.scissor;
return reinterpret_cast<uint64_t>(d3dPipeline);
}
//------------------------------------------------------------------------------
void xxDestroyBlendStateD3D6(uint64_t blendState)
{
}
//------------------------------------------------------------------------------
void xxDestroyDepthStencilStateD3D6(uint64_t depthStencilState)
{
}
//------------------------------------------------------------------------------
void xxDestroyRasterizerStateD3D6(uint64_t rasterizerState)
{
}
//------------------------------------------------------------------------------
void xxDestroyPipelineD3D6(uint64_t pipeline)
{
D3DPIPELINE3* d3dPipeline = reinterpret_cast<D3DPIPELINE3*>(pipeline);
xxFree(d3dPipeline);
}
//==============================================================================
// Command
//==============================================================================
void xxSetViewportD3D6(uint64_t commandEncoder, int x, int y, int width, int height, float minZ, float maxZ)
{
LPDIRECT3DDEVICE3 d3dDevice = reinterpret_cast<LPDIRECT3DDEVICE3>(commandEncoder);
LPDIRECT3DVIEWPORT3 viewport = nullptr;
d3dDevice->GetCurrentViewport(&viewport);
viewport->Release();
D3DVIEWPORT2 vp = {};
vp.dwSize = sizeof(D3DVIEWPORT2);
vp.dwX = x;
vp.dwY = y;
vp.dwWidth = width;
vp.dwHeight = height;
vp.dvClipX = -1.0f;
vp.dvClipY = 1.0f;
vp.dvClipWidth = 2.0f;
vp.dvClipHeight = 2.0f;
vp.dvMinZ = minZ;
vp.dvMaxZ = maxZ;
viewport->SetViewport2(&vp);
}
//------------------------------------------------------------------------------
void xxSetScissorD3D6(uint64_t commandEncoder, int x, int y, int width, int height)
{
LPDIRECT3DDEVICE3 d3dDevice = reinterpret_cast<LPDIRECT3DDEVICE3>(commandEncoder);
LPDIRECT3DVIEWPORT3 viewport = nullptr;
d3dDevice->GetCurrentViewport(&viewport);
viewport->Release();
D3DVIEWPORT2 vp;
vp.dwSize = sizeof(D3DVIEWPORT2);
viewport->GetViewport2(&vp);
if (vp.dwX == x && vp.dwY == y && vp.dwWidth == width && vp.dwHeight == height)
return;
D3DMATRIX projection;
d3dDevice->GetTransform(D3DTRANSFORMSTATE_PROJECTION, &projection);
ViewportFromScissor(projection.m, vp.dwX, vp.dwY, vp.dwWidth, vp.dwHeight, x, y, width, height);
d3dDevice->SetTransform(D3DTRANSFORMSTATE_PROJECTION, &projection);
vp.dwX = x;
vp.dwY = y;
vp.dwWidth = width;
vp.dwHeight = height;
viewport->SetViewport2(&vp);
}
//------------------------------------------------------------------------------
void xxSetPipelineD3D6(uint64_t commandEncoder, uint64_t pipeline)
{
LPDIRECT3DDEVICE3 d3dDevice = reinterpret_cast<LPDIRECT3DDEVICE3>(commandEncoder);
D3DPIPELINE3* d3dPipeline = reinterpret_cast<D3DPIPELINE3*>(pipeline);
d3dDevice->SetRenderState(D3DRENDERSTATE_SHADEMODE, D3DSHADE_GOURAUD);
d3dDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_MODULATE);
d3dDevice->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
d3dDevice->SetTextureStageState(0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
d3dDevice->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
d3dDevice->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
d3dDevice->SetTextureStageState(0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
d3dDevice->SetRenderState(D3DRENDERSTATE_FOGENABLE, FALSE);
d3dDevice->SetRenderState(D3DRENDERSTATE_SPECULARENABLE, FALSE);
d3dDevice->SetRenderState(D3DRENDERSTATE_CULLMODE, d3dPipeline->renderState.cull ? D3DCULL_CCW : D3DCULL_NONE);
d3dDevice->SetRenderState(D3DRENDERSTATE_ZENABLE, d3dPipeline->renderState.depthEnable);
if (d3dPipeline->renderState.depthEnable)
{
d3dDevice->SetRenderState(D3DRENDERSTATE_ZFUNC, d3dPipeline->renderState.depthTest);