GPU: Implemented bits 3 and 1 from the display transfer flags.

Bit 3 is used to specify a raw copy, where no processing is done to the data, seems to behave exactly as a DMA.
Bit 1 is used to specify whether to convert from a tiled format to a linear format or viceversa.

1 files changed, 16 insertions, 6 deletions

diff --git a/src/citra_qt/debugger/graphics_framebuffer.cpp b/src/citra_qt/debugger/graphics_framebuffer.cpp
index 1ba60021..574f19cc 100644
--- a/src/citra_qt/debugger/graphics_framebuffer.cpp
+++ b/src/citra_qt/debugger/graphics_framebuffer.cpp
@@ -9,8 +9,10 @@
 #include <QPushButton>
 #include <QSpinBox>
 
+#include "core/hw/gpu.h"
 #include "video_core/color.h"
 #include "video_core/pica.h"
+#include "video_core/utils.h"
 
 #include "graphics_framebuffer.h"
 
@@ -195,16 +197,20 @@ 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));
+
     switch (framebuffer_format) {
     case Format::RGBA8:
     {
         QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
-        u32* color_buffer = (u32*)Memory::GetPointer(Pica::PAddrToVAddr(framebuffer_address));
+        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) {
-                u32 value = *(color_buffer + x + y * framebuffer_width);
+                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;
 
-                decoded_image.setPixel(x, y, qRgba((value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF, 255/*value >> 24*/));
+                decoded_image.setPixel(x, y, qRgba(value[3], value[2], value[1], 255/*value >> 24*/));
             }
         }
         pixmap = QPixmap::fromImage(decoded_image);
@@ -217,7 +223,9 @@ void GraphicsFramebufferWidget::OnUpdate()
         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) {
-                u8* pixel_pointer = color_buffer + x * 3 + y * 3 * framebuffer_width;
+                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*/));
             }
@@ -229,10 +237,12 @@ void GraphicsFramebufferWidget::OnUpdate()
     case Format::RGBA5551:
     {
         QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
-        u32* color_buffer = (u32*)Memory::GetPointer(Pica::PAddrToVAddr(framebuffer_address));
+        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) {
-                u16 value = *(u16*)(((u8*)color_buffer) + x * 2 + y * framebuffer_width * 2);
+                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);