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GPU: Added RGB565/RGB8 framebuffer support and various cleanups.

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- Centralizes color format encode/decode functions.
- Fixes endianness issues.
- Implements remaining framebuffer formats in the debugger.
This commit is contained in:
bunnei 2015-02-25 22:44:55 -05:00
parent 44f46254dc
commit 34c31db14a
9 changed files with 214 additions and 195 deletions
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88
src/citra_qt/debugger/graphics_framebuffer.cpp
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@ -46,7 +46,7 @@ GraphicsFramebufferWidget::GraphicsFramebufferWidget(std::shared_ptr<Pica::Debug
framebuffer_format_control = new QComboBox;
framebuffer_format_control->addItem(tr("RGBA8"));
framebuffer_format_control->addItem(tr("RGB8"));
framebuffer_format_control->addItem(tr("RGBA5551"));
framebuffer_format_control->addItem(tr("RGB5A1"));
framebuffer_format_control->addItem(tr("RGB565"));
framebuffer_format_control->addItem(tr("RGBA4"));
@ -199,66 +199,40 @@ void GraphicsFramebufferWidget::OnUpdate()
// TODO: Unify this decoding code with the texture decoder
u32 bytes_per_pixel = GPU::Regs::BytesPerPixel(GPU::Regs::PixelFormat(framebuffer_format));
switch (framebuffer_format) {
case Format::RGBA8:
{
QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
u8* color_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;
u8* value = color_buffer + offset;
QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
u8* color_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;
Math::Vec4<u8> color = { 0, 0, 0, 0 };
decoded_image.setPixel(x, y, qRgba(value[3], value[2], value[1], 255/*value >> 24*/));
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;
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);
break;
}
case Format::RGB8:
{
QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
u8* color_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;
u8* pixel_pointer = color_buffer + offset;
decoded_image.setPixel(x, y, qRgba(pixel_pointer[0], pixel_pointer[1], pixel_pointer[2], 255/*value >> 24*/));
}
}
pixmap = QPixmap::fromImage(decoded_image);
break;
}
case Format::RGBA5551:
{
QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
u8* color_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;
u16 value = *(u16*)(color_buffer + offset);
u8 r = Color::Convert5To8((value >> 11) & 0x1F);
u8 g = Color::Convert5To8((value >> 6) & 0x1F);
u8 b = Color::Convert5To8((value >> 1) & 0x1F);
u8 a = Color::Convert1To8(value & 1);
decoded_image.setPixel(x, y, qRgba(r, g, b, 255/*a*/));
}
}
pixmap = QPixmap::fromImage(decoded_image);
break;
}
default:
qDebug() << "Unknown fb color format " << static_cast<int>(framebuffer_format);
break;
}
pixmap = QPixmap::fromImage(decoded_image);
framebuffer_address_control->SetValue(framebuffer_address);
framebuffer_width_control->setValue(framebuffer_width);