QImage LoadTexture(u8* src, const Pica::DebugUtils::TextureInfo& info) {
QImage decoded_image(info.width, info.height, QImage::Format_ARGB32);
for (int y = 0; y < info.height; ++y) {
for (int x = 0; x < info.width; ++x) {
Math::Vec4<u8> color = Pica::DebugUtils::LookupTexture(src, x, y, info, true);
decoded_image.setPixel(x, y, qRgba(color.r(), color.g(), color.b(), color.a()));
}
}
return decoded_image;
}
void GraphicsFramebufferWidget::OnUpdate()
{
QPixmap pixmap;
switch (framebuffer_source) {
case Source::PicaTarget:
{
// TODO: Store a reference to the registers in the debug context instead of accessing them directly...
const auto& framebuffer = Pica::g_state.regs.framebuffer;
framebuffer_address = framebuffer.GetColorBufferPhysicalAddress();
framebuffer_width = framebuffer.GetWidth();
framebuffer_height = framebuffer.GetHeight();
// TODO: It's unknown how this format is actually specified
framebuffer_format = Format::RGBA8;
break;
}
case Source::DepthBuffer:
{
const auto& framebuffer = Pica::g_state.regs.framebuffer;
framebuffer_address = framebuffer.GetDepthBufferPhysicalAddress();
framebuffer_width = framebuffer.GetWidth();
framebuffer_height = framebuffer.GetHeight();
framebuffer_format = Format::D16;
break;
}
case Source::Custom:
{
// Keep user-specified values
break;
}
default:
qDebug() << "Unknown framebuffer source " << static_cast<int>(framebuffer_source);
break;
}
// TODO: Implement a good way to visualize alpha components!
// TODO: Unify this decoding code with the texture decoder
u32 bytes_per_pixel = GraphicsFramebufferWidget::BytesPerPixel(framebuffer_format);
QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
u8* buffer = Memory::GetPhysicalPointer(framebuffer_address);
for (unsigned int y = 0; y < framebuffer_height; ++y) {
for (unsigned int x = 0; x < framebuffer_width; ++x) {
const u32 coarse_y = y & ~7;
u32 offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * framebuffer_width * bytes_per_pixel;
const u8* pixel = buffer + offset;
Math::Vec4<u8> color = { 0, 0, 0, 0 };
switch (framebuffer_format) {
case Format::RGBA8:
color = Color::DecodeRGBA8(pixel);
break;
case Format::RGB8:
color = Color::DecodeRGB8(pixel);
break;
case Format::RGB5A1:
color = Color::DecodeRGB5A1(pixel);
break;
case Format::RGB565:
color = Color::DecodeRGB565(pixel);
break;
case Format::RGBA4:
color = Color::DecodeRGBA4(pixel);
break;
case Format::D16:
{
u32 data = Color::DecodeD16(pixel);
color.r() = data & 0xFF;
color.g() = (data >> 8) & 0xFF;
break;
}
case Format::D24:
{
u32 data = Color::DecodeD24(pixel);
color.r() = data & 0xFF;
color.g() = (data >> 8) & 0xFF;
color.b() = (data >> 16) & 0xFF;
break;
}
case Format::D24S8:
{
Math::Vec2<u32> data = Color::DecodeD24S8(pixel);
color.r() = data.x & 0xFF;
color.g() = (data.x >> 8) & 0xFF;
color.b() = (data.x >> 16) & 0xFF;
break;
}
default:
qDebug() << "Unknown fb color format " << static_cast<int>(framebuffer_format);
break;
}
decoded_image.setPixel(x, y, qRgba(color.r(), color.g(), color.b(), 255));
}
}
pixmap = QPixmap::fromImage(decoded_image);
framebuffer_address_control->SetValue(framebuffer_address);
framebuffer_width_control->setValue(framebuffer_width);
framebuffer_height_control->setValue(framebuffer_height);
framebuffer_format_control->setCurrentIndex(static_cast<int>(framebuffer_format));
framebuffer_picture_label->setPixmap(pixmap);
}