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Pica/OutputMerger: Fix flipped framebuffers.

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This commit is contained in:
Tony Wasserka 2015-01-03 13:37:05 +01:00
parent 6ca752ccbc
commit 087edcfbec
1 changed files with 10 additions and 0 deletions
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10
src/video_core/rasterizer.cpp
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@ -21,6 +21,10 @@ static void DrawPixel(int x, int y, const Math::Vec4<u8>& color) {
const PAddr addr = registers.framebuffer.GetColorBufferPhysicalAddress(); const PAddr addr = registers.framebuffer.GetColorBufferPhysicalAddress();
u32* color_buffer = reinterpret_cast<u32*>(Memory::GetPointer(PAddrToVAddr(addr))); u32* color_buffer = reinterpret_cast<u32*>(Memory::GetPointer(PAddrToVAddr(addr)));
// Similarly to textures, the render framebuffer is laid out from bottom to top, too.
// NOTE: The framebuffer height register contains the actual FB height minus one.
y = (registers.framebuffer.height - y);
switch (registers.framebuffer.color_format) { switch (registers.framebuffer.color_format) {
case registers.framebuffer.RGBA8: case registers.framebuffer.RGBA8:
{ {
@ -39,6 +43,8 @@ static const Math::Vec4<u8> GetPixel(int x, int y) {
const PAddr addr = registers.framebuffer.GetColorBufferPhysicalAddress(); const PAddr addr = registers.framebuffer.GetColorBufferPhysicalAddress();
u32* color_buffer_u32 = reinterpret_cast<u32*>(Memory::GetPointer(PAddrToVAddr(addr))); u32* color_buffer_u32 = reinterpret_cast<u32*>(Memory::GetPointer(PAddrToVAddr(addr)));
y = (registers.framebuffer.height - y);
u32 value = *(color_buffer_u32 + x + y * registers.framebuffer.GetWidth()); u32 value = *(color_buffer_u32 + x + y * registers.framebuffer.GetWidth());
Math::Vec4<u8> ret; Math::Vec4<u8> ret;
ret.a() = value >> 24; ret.a() = value >> 24;
@ -52,6 +58,8 @@ static u32 GetDepth(int x, int y) {
const PAddr addr = registers.framebuffer.GetDepthBufferPhysicalAddress(); const PAddr addr = registers.framebuffer.GetDepthBufferPhysicalAddress();
u16* depth_buffer = reinterpret_cast<u16*>(Memory::GetPointer(PAddrToVAddr(addr))); u16* depth_buffer = reinterpret_cast<u16*>(Memory::GetPointer(PAddrToVAddr(addr)));
y = (registers.framebuffer.height - y);
// Assuming 16-bit depth buffer format until actual format handling is implemented // Assuming 16-bit depth buffer format until actual format handling is implemented
return *(depth_buffer + x + y * registers.framebuffer.GetWidth()); return *(depth_buffer + x + y * registers.framebuffer.GetWidth());
} }
@ -60,6 +68,8 @@ static void SetDepth(int x, int y, u16 value) {
const PAddr addr = registers.framebuffer.GetDepthBufferPhysicalAddress(); const PAddr addr = registers.framebuffer.GetDepthBufferPhysicalAddress();
u16* depth_buffer = reinterpret_cast<u16*>(Memory::GetPointer(PAddrToVAddr(addr))); u16* depth_buffer = reinterpret_cast<u16*>(Memory::GetPointer(PAddrToVAddr(addr)));
y = (registers.framebuffer.height - y);
// Assuming 16-bit depth buffer format until actual format handling is implemented // Assuming 16-bit depth buffer format until actual format handling is implemented
*(depth_buffer + x + y * registers.framebuffer.GetWidth()) = value; *(depth_buffer + x + y * registers.framebuffer.GetWidth()) = value;
} }