void mpRendererD3D9::updateDataTexture(void *texptr, int width, int height, const void *data, size_t data_size)
{
int psize = 16;
HRESULT hr;
IDirect3DTexture9 *tex = (IDirect3DTexture9*)texptr;
// D3D11 と違い、D3D9 では書き込みも staging texture を経由する必要がある。
IDirect3DSurface9 *surf_src = findOrCreateStagingTexture(mpDataTextureWidth, height);
if (surf_src == nullptr) { return; }
IDirect3DSurface9* surf_dst = nullptr;
hr = tex->GetSurfaceLevel(0, &surf_dst);
if (FAILED(hr)) { return; }
bool ret = false;
D3DLOCKED_RECT locked;
hr = surf_src->LockRect(&locked, nullptr, D3DLOCK_DISCARD);
if (SUCCEEDED(hr))
{
const char *rpixels = (const char*)data;
int rpitch = psize * width;
char *wpixels = (char*)locked.pBits;
int wpitch = locked.Pitch;
memcpy(wpixels, rpixels, data_size);
surf_src->UnlockRect();
hr = m_device->UpdateSurface(surf_src, nullptr, surf_dst, nullptr);
if (SUCCEEDED(hr)) {
ret = true;
}
}
surf_dst->Release();
}
bool fcGraphicsDeviceD3D9::readTexture(void *o_buf, size_t bufsize, void *tex_, int width, int height, fcTextureFormat format)
{
HRESULT hr;
IDirect3DTexture9 *tex = (IDirect3DTexture9*)tex_;
// D3D11 と同様 render target の内容は CPU からはアクセス不可能になっている。
// staging texture を用意してそれに内容を移し、CPU はそれ経由でデータを読む。
IDirect3DSurface9 *surf_dst = findOrCreateStagingTexture(width, height, format);
if (surf_dst == nullptr) { return false; }
IDirect3DSurface9* surf_src = nullptr;
hr = tex->GetSurfaceLevel(0, &surf_src);
if (FAILED(hr)){ return false; }
bool ret = false;
hr = m_device->GetRenderTargetData(surf_src, surf_dst);
if (SUCCEEDED(hr))
{
D3DLOCKED_RECT locked;
hr = surf_dst->LockRect(&locked, nullptr, D3DLOCK_READONLY);
if (SUCCEEDED(hr))
{
char *wpixels = (char*)o_buf;
int wpitch = width * fcGetPixelSize(format);
const char *rpixels = (const char*)locked.pBits;
int rpitch = locked.Pitch;
// D3D11 と同様表向き解像度と内部解像度が違うケースを考慮
// (しかし、少なくとも手元の環境では常に wpitch == rpitch っぽい)
if (wpitch == rpitch)
{
memcpy(wpixels, rpixels, bufsize);
}
else
{
for (int i = 0; i < height; ++i)
{
memcpy(wpixels, rpixels, wpitch);
wpixels += wpitch;
rpixels += rpitch;
}
}
surf_dst->UnlockRect();
// D3D9 の ARGB32 のピクセルの並びは BGRA になっているので並べ替える
if (format == fcTextureFormat_ARGB32) {
BGRA_RGBA_conversion((RGBA<uint8_t>*)o_buf, bufsize / 4);
}
ret = true;
}
}
surf_src->Release();
return ret;
}
bool fcGraphicsDeviceD3D9::writeTexture(void *o_tex, int width, int height, fcTextureFormat format, const void *buf, size_t bufsize)
{
int psize = fcGetPixelSize(format);
int pitch = psize * width;
const size_t num_pixels = bufsize / psize;
HRESULT hr;
IDirect3DTexture9 *tex = (IDirect3DTexture9*)o_tex;
// D3D11 と違い、D3D9 では書き込みも staging texture を経由する必要がある。
IDirect3DSurface9 *surf_src = findOrCreateStagingTexture(width, height, format);
if (surf_src == nullptr) { return false; }
IDirect3DSurface9* surf_dst = nullptr;
hr = tex->GetSurfaceLevel(0, &surf_dst);
if (FAILED(hr)){ return false; }
bool ret = false;
D3DLOCKED_RECT locked;
hr = surf_src->LockRect(&locked, nullptr, D3DLOCK_DISCARD);
if (SUCCEEDED(hr))
{
const char *rpixels = (const char*)buf;
int rpitch = psize * width;
char *wpixels = (char*)locked.pBits;
int wpitch = locked.Pitch;
// こちらも ARGB32 の場合 BGRA に並べ替える必要がある
if (format == fcTextureFormat_ARGB32) {
copy_with_BGRA_RGBA_conversion((RGBA<uint8_t>*)wpixels, (RGBA<uint8_t>*)rpixels, bufsize / 4);
}
else {
memcpy(wpixels, rpixels, bufsize);
}
surf_src->UnlockRect();
hr = m_device->UpdateSurface(surf_src, nullptr, surf_dst, nullptr);
if (SUCCEEDED(hr)) {
ret = true;
}
}
surf_dst->Release();
return false;
}
void CopyToTextureD3D9::copy(void *texptr, int width, int height, const void *dataptr, int data_num, DataConversion conv)
{
int psize = 16;
int pitch = psize * width;
int bufsize = data_num * psize;
dataptr = getDataPointer(dataptr, data_num, width*height, conv, true);
HRESULT hr;
IDirect3DTexture9 *tex = (IDirect3DTexture9*)texptr;
// D3D11 と違い、D3D9 では書き込みも staging texture を経由する必要がある。
IDirect3DSurface9 *surf_src = findOrCreateStagingTexture(width, height);
if (surf_src == nullptr) { return; }
IDirect3DSurface9* surf_dst = nullptr;
hr = tex->GetSurfaceLevel(0, &surf_dst);
if (FAILED(hr)) { return; }
bool ret = false;
D3DLOCKED_RECT locked;
hr = surf_src->LockRect(&locked, nullptr, D3DLOCK_DISCARD);
if (SUCCEEDED(hr))
{
const char *rpixels = (const char*)dataptr;
int rpitch = psize * width;
char *wpixels = (char*)locked.pBits;
int wpitch = locked.Pitch;
memcpy(wpixels, rpixels, bufsize);
surf_src->UnlockRect();
hr = m_device->UpdateSurface(surf_src, nullptr, surf_dst, nullptr);
if (SUCCEEDED(hr)) {
ret = true;
}
}
surf_dst->Release();
}