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author | Tony Wasserka <NeoBrainX@gmail.com> | 2015-01-03 13:37:05 +0100 |
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committer | Tony Wasserka <NeoBrainX@gmail.com> | 2015-02-18 14:50:28 +0100 |
commit | 087edcfbec86ba730d55c4fdbbf65097a8cfb8e4 (patch) | |
tree | 3bd9d4ab608ca25736414eda8f81cae0de6668dd | |
parent | Pica/TextureUnit: Implement mirrored repeating texture wrapping. (diff) | |
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-rw-r--r-- | src/video_core/rasterizer.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp index f788122d8..9cad5f9b6 100644 --- a/src/video_core/rasterizer.cpp +++ b/src/video_core/rasterizer.cpp @@ -21,6 +21,10 @@ static void DrawPixel(int x, int y, const Math::Vec4<u8>& color) { const PAddr addr = registers.framebuffer.GetColorBufferPhysicalAddress(); 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) { case registers.framebuffer.RGBA8: { @@ -39,6 +43,8 @@ static const Math::Vec4<u8> GetPixel(int x, int y) { const PAddr addr = registers.framebuffer.GetColorBufferPhysicalAddress(); 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()); Math::Vec4<u8> ret; ret.a() = value >> 24; @@ -52,6 +58,8 @@ static u32 GetDepth(int x, int y) { const PAddr addr = registers.framebuffer.GetDepthBufferPhysicalAddress(); 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 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(); 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 *(depth_buffer + x + y * registers.framebuffer.GetWidth()) = value; } |