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Frontend/Qt: Allow the framebuffer widget to inspect the depth buffer

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This commit is contained in:
Subv 2015-03-08 20:07:02 -05:00
parent 414b0741c4
commit 155cc80e3b
2 changed files with 66 additions and 5 deletions
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63
src/citra_qt/debugger/graphics_framebuffer.cpp
View File

@ -27,6 +27,7 @@ GraphicsFramebufferWidget::GraphicsFramebufferWidget(std::shared_ptr<Pica::Debug
framebuffer_source_list = new QComboBox;
framebuffer_source_list->addItem(tr("Active Render Target"));
framebuffer_source_list->addItem(tr("Active Depth Buffer"));
framebuffer_source_list->addItem(tr("Custom"));
framebuffer_source_list->setCurrentIndex(static_cast<int>(framebuffer_source));
@ -49,6 +50,9 @@ GraphicsFramebufferWidget::GraphicsFramebufferWidget(std::shared_ptr<Pica::Debug
framebuffer_format_control->addItem(tr("RGB5A1"));
framebuffer_format_control->addItem(tr("RGB565"));
framebuffer_format_control->addItem(tr("RGBA4"));
framebuffer_format_control->addItem(tr("D16"));
framebuffer_format_control->addItem(tr("D24"));
framebuffer_format_control->addItem(tr("D24S8"));
// TODO: This QLabel should shrink the image to the available space rather than just expanding...
framebuffer_picture_label = new QLabel;
@ -173,7 +177,6 @@ void GraphicsFramebufferWidget::OnUpdate()
// TODO: Store a reference to the registers in the debug context instead of accessing them directly...
auto framebuffer = Pica::registers.framebuffer;
using Framebuffer = decltype(framebuffer);
framebuffer_address = framebuffer.GetColorBufferPhysicalAddress();
framebuffer_width = framebuffer.GetWidth();
@ -184,6 +187,18 @@ void GraphicsFramebufferWidget::OnUpdate()
break;
}
case Source::DepthBuffer:
{
auto framebuffer = Pica::registers.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
@ -197,15 +212,16 @@ void GraphicsFramebufferWidget::OnUpdate()
// TODO: Implement a good way to visualize alpha components!
// TODO: Unify this decoding code with the texture decoder
u32 bytes_per_pixel = GPU::Regs::BytesPerPixel(GPU::Regs::PixelFormat(framebuffer_format));
u32 bytes_per_pixel = GraphicsFramebufferWidget::BytesPerPixel(framebuffer_format);
QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
u8* color_buffer = Memory::GetPointer(Pica::PAddrToVAddr(framebuffer_address));
u8* buffer = Memory::GetPointer(Pica::PAddrToVAddr(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 = color_buffer + offset;
const u8* pixel = buffer + offset;
Math::Vec4<u8> color = { 0, 0, 0, 0 };
switch (framebuffer_format) {
@ -224,6 +240,29 @@ void GraphicsFramebufferWidget::OnUpdate()
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;
@ -240,3 +279,19 @@ void GraphicsFramebufferWidget::OnUpdate()
framebuffer_format_control->setCurrentIndex(static_cast<int>(framebuffer_format));
framebuffer_picture_label->setPixmap(pixmap);
}
u32 GraphicsFramebufferWidget::BytesPerPixel(GraphicsFramebufferWidget::Format format) {
switch (format) {
case Format::RGBA8:
case Format::D24S8:
return 4;
case Format::RGB8:
case Format::D24:
return 3;
case Format::RGB5A1:
case Format::RGB565:
case Format::RGBA4:
case Format::D16:
return 2;
}
}

8
src/citra_qt/debugger/graphics_framebuffer.h
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@ -21,7 +21,8 @@ class GraphicsFramebufferWidget : public BreakPointObserverDock {
enum class Source {
PicaTarget = 0,
Custom = 1,
DepthBuffer = 1,
Custom = 2,
// TODO: Add GPU framebuffer sources!
};
@ -32,8 +33,13 @@ class GraphicsFramebufferWidget : public BreakPointObserverDock {
RGB5A1 = 2,
RGB565 = 3,
RGBA4 = 4,
D16 = 5,
D24 = 6,
D24S8 = 7
};
static u32 BytesPerPixel(Format format);
public:
GraphicsFramebufferWidget(std::shared_ptr<Pica::DebugContext> debug_context, QWidget* parent = nullptr);