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Frontend/Qt: Allow the framebuffer widget to inspect the depth buffer
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414b0741c4
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155cc80e3b
@ -27,6 +27,7 @@ GraphicsFramebufferWidget::GraphicsFramebufferWidget(std::shared_ptr<Pica::Debug
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framebuffer_source_list = new QComboBox;
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framebuffer_source_list->addItem(tr("Active Render Target"));
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framebuffer_source_list->addItem(tr("Active Depth Buffer"));
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framebuffer_source_list->addItem(tr("Custom"));
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framebuffer_source_list->setCurrentIndex(static_cast<int>(framebuffer_source));
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@ -49,6 +50,9 @@ GraphicsFramebufferWidget::GraphicsFramebufferWidget(std::shared_ptr<Pica::Debug
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framebuffer_format_control->addItem(tr("RGB5A1"));
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framebuffer_format_control->addItem(tr("RGB565"));
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framebuffer_format_control->addItem(tr("RGBA4"));
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framebuffer_format_control->addItem(tr("D16"));
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framebuffer_format_control->addItem(tr("D24"));
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framebuffer_format_control->addItem(tr("D24S8"));
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// TODO: This QLabel should shrink the image to the available space rather than just expanding...
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framebuffer_picture_label = new QLabel;
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@ -173,7 +177,6 @@ void GraphicsFramebufferWidget::OnUpdate()
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// TODO: Store a reference to the registers in the debug context instead of accessing them directly...
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auto framebuffer = Pica::registers.framebuffer;
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using Framebuffer = decltype(framebuffer);
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framebuffer_address = framebuffer.GetColorBufferPhysicalAddress();
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framebuffer_width = framebuffer.GetWidth();
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@ -184,6 +187,18 @@ void GraphicsFramebufferWidget::OnUpdate()
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break;
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}
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case Source::DepthBuffer:
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{
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auto framebuffer = Pica::registers.framebuffer;
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framebuffer_address = framebuffer.GetDepthBufferPhysicalAddress();
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framebuffer_width = framebuffer.GetWidth();
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framebuffer_height = framebuffer.GetHeight();
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framebuffer_format = Format::D16;
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break;
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}
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case Source::Custom:
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{
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// Keep user-specified values
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@ -197,15 +212,16 @@ void GraphicsFramebufferWidget::OnUpdate()
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// TODO: Implement a good way to visualize alpha components!
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// TODO: Unify this decoding code with the texture decoder
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u32 bytes_per_pixel = GPU::Regs::BytesPerPixel(GPU::Regs::PixelFormat(framebuffer_format));
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u32 bytes_per_pixel = GraphicsFramebufferWidget::BytesPerPixel(framebuffer_format);
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QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
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u8* color_buffer = Memory::GetPointer(Pica::PAddrToVAddr(framebuffer_address));
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u8* buffer = Memory::GetPointer(Pica::PAddrToVAddr(framebuffer_address));
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for (unsigned int y = 0; y < framebuffer_height; ++y) {
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for (unsigned int x = 0; x < framebuffer_width; ++x) {
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const u32 coarse_y = y & ~7;
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u32 offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * framebuffer_width * bytes_per_pixel;
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const u8* pixel = color_buffer + offset;
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const u8* pixel = buffer + offset;
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Math::Vec4<u8> color = { 0, 0, 0, 0 };
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switch (framebuffer_format) {
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@ -224,6 +240,29 @@ void GraphicsFramebufferWidget::OnUpdate()
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case Format::RGBA4:
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color = Color::DecodeRGBA4(pixel);
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break;
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case Format::D16:
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{
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u32 data = Color::DecodeD16(pixel);
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color.r() = data & 0xFF;
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color.g() = (data >> 8) & 0xFF;
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break;
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}
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case Format::D24:
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{
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u32 data = Color::DecodeD24(pixel);
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color.r() = data & 0xFF;
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color.g() = (data >> 8) & 0xFF;
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color.b() = (data >> 16) & 0xFF;
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break;
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}
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case Format::D24S8:
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{
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Math::Vec2<u32> data = Color::DecodeD24S8(pixel);
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color.r() = data.x & 0xFF;
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color.g() = (data.x >> 8) & 0xFF;
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color.b() = (data.x >> 16) & 0xFF;
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break;
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}
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default:
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qDebug() << "Unknown fb color format " << static_cast<int>(framebuffer_format);
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break;
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@ -240,3 +279,19 @@ void GraphicsFramebufferWidget::OnUpdate()
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framebuffer_format_control->setCurrentIndex(static_cast<int>(framebuffer_format));
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framebuffer_picture_label->setPixmap(pixmap);
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}
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u32 GraphicsFramebufferWidget::BytesPerPixel(GraphicsFramebufferWidget::Format format) {
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switch (format) {
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case Format::RGBA8:
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case Format::D24S8:
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return 4;
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case Format::RGB8:
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case Format::D24:
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return 3;
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case Format::RGB5A1:
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case Format::RGB565:
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case Format::RGBA4:
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case Format::D16:
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return 2;
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}
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}
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@ -21,7 +21,8 @@ class GraphicsFramebufferWidget : public BreakPointObserverDock {
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enum class Source {
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PicaTarget = 0,
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Custom = 1,
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DepthBuffer = 1,
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Custom = 2,
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// TODO: Add GPU framebuffer sources!
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};
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@ -32,8 +33,13 @@ class GraphicsFramebufferWidget : public BreakPointObserverDock {
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RGB5A1 = 2,
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RGB565 = 3,
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RGBA4 = 4,
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D16 = 5,
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D24 = 6,
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D24S8 = 7
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};
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static u32 BytesPerPixel(Format format);
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public:
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GraphicsFramebufferWidget(std::shared_ptr<Pica::DebugContext> debug_context, QWidget* parent = nullptr);
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