bool fcExrContext::addLayerTexture(void *tex, fcTextureFormat fmt, int channel, const char *name, bool flipY)
{
std::string *raw_frame = nullptr;
// フレームバッファの内容取得
if (tex == m_tex_prev)
{
// 前回取得した結果を使い回す
raw_frame = &m_exr->raw_frames.back();
}
else
{
m_tex_prev = tex;
m_exr->raw_frames.push_back(std::string());
raw_frame = &m_exr->raw_frames.back();
raw_frame->resize(m_exr->width * m_exr->height * fcGetPixelSize(fmt));
if (!m_dev->readTexture(&(*raw_frame)[0], raw_frame->size(), tex, m_exr->width, m_exr->height, fmt))
{
m_exr->raw_frames.pop_back();
return false;
}
if (flipY) {
fcImageFlipY(&(*raw_frame)[0], m_exr->width, m_exr->height, m_exr->width * fcGetPixelSize(fmt));
}
}
{
Imf::PixelType pixel_type = Imf::HALF;
int channels = 0;
int tsize = 0;
switch (fmt)
{
case fcTextureFormat_ARGBHalf: pixel_type = Imf::HALF; channels = 4; tsize = 2; break;
case fcTextureFormat_RGHalf: pixel_type = Imf::HALF; channels = 2; tsize = 2; break;
case fcTextureFormat_RHalf: pixel_type = Imf::HALF; channels = 1; tsize = 2; break;
case fcTextureFormat_ARGBFloat: pixel_type = Imf::FLOAT; channels = 4; tsize = 4; break;
case fcTextureFormat_RGFloat: pixel_type = Imf::FLOAT; channels = 2; tsize = 4; break;
case fcTextureFormat_RFloat: pixel_type = Imf::FLOAT; channels = 1; tsize = 4; break;
case fcTextureFormat_ARGBInt: pixel_type = Imf::UINT; channels = 4; tsize = 4; break;
case fcTextureFormat_RGInt: pixel_type = Imf::UINT; channels = 2; tsize = 4; break;
case fcTextureFormat_RInt: pixel_type = Imf::UINT; channels = 1; tsize = 4; break;
default:
m_exr->raw_frames.pop_back();
return false;
}
int psize = tsize * channels;
char *raw_data = &(*raw_frame)[0];
m_exr->header.channels().insert(name, Imf::Channel(pixel_type));
m_exr->frame_buffer.insert(name, Imf::Slice(pixel_type, raw_data + (tsize * channel), psize, psize * m_exr->width));
}
return true;
}
bool fcExrContext::addLayerTexture(void *tex, fcPixelFormat fmt, int channel, const char *name)
{
if (m_dev == nullptr) {
fcDebugLog("fcExrContext::addLayerTexture(): gfx device is null.");
return false;
}
if (m_task == nullptr) {
fcDebugLog("fcExrContext::addLayerTexture(): maybe beginFrame() is not called.");
return false;
}
Buffer *raw_frame = nullptr;
if (tex == m_frame_prev)
{
raw_frame = m_src_prev;
fmt = m_fmt_prev;
}
else
{
m_frame_prev = tex;
m_task->pixels.push_back(Buffer());
raw_frame = &m_task->pixels.back();
raw_frame->resize(m_task->width * m_task->height * fcGetPixelSize(fmt));
// get frame buffer
if (!m_dev->readTexture(&(*raw_frame)[0], raw_frame->size(), tex, m_task->width, m_task->height, fmt))
{
m_task->pixels.pop_back();
return false;
}
m_src_prev = raw_frame;
// convert pixel format if it is not supported by exr
if ((fmt & fcPixelFormat_TypeMask) == fcPixelFormat_Type_u8) {
m_task->pixels.emplace_back(Buffer());
auto *buf = &m_task->pixels.back();
int channels = fmt & fcPixelFormat_ChannelMask;
auto src_fmt = fmt;
fmt = fcPixelFormat(fcPixelFormat_Type_f16 | channels);
buf->resize(m_task->width * m_task->height * fcGetPixelSize(fmt));
fcConvertPixelFormat(&(*buf)[0], fmt, &(*raw_frame)[0], src_fmt, m_task->width * m_task->height);
m_src_prev = raw_frame = buf;
}
m_fmt_prev = fmt;
}
return addLayerImpl(&(*raw_frame)[0], fmt, channel, name);
}
