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author | bunnei <bunneidev@gmail.com> | 2015-02-22 19:31:53 +0100 |
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committer | bunnei <bunneidev@gmail.com> | 2015-02-22 19:57:24 +0100 |
commit | 733c19ddd30db59eea822a60618b38e4fb7a0761 (patch) | |
tree | 6527068cbee84014f17cb83650178d830dcd5ec7 /src/video_core/rasterizer.cpp | |
parent | Merge pull request #596 from kevinhartman/unaligned-cleanup (diff) | |
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Diffstat (limited to 'src/video_core/rasterizer.cpp')
-rw-r--r-- | src/video_core/rasterizer.cpp | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp index 81df09baf..17f8f70ca 100644 --- a/src/video_core/rasterizer.cpp +++ b/src/video_core/rasterizer.cpp @@ -20,7 +20,7 @@ namespace Rasterizer { 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))); + u8* color_buffer = 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. @@ -29,8 +29,11 @@ static void DrawPixel(int x, int y, const Math::Vec4<u8>& color) { switch (registers.framebuffer.color_format) { case registers.framebuffer.RGBA8: { - u32 value = (color.a() << 24) | (color.r() << 16) | (color.g() << 8) | color.b(); - *(color_buffer + x + y * registers.framebuffer.GetWidth()) = value; + u8* pixel = color_buffer + (x + y * registers.framebuffer.GetWidth()) * 4; + pixel[3] = color.r(); + pixel[2] = color.g(); + pixel[1] = color.b(); + pixel[0] = color.a(); break; } @@ -42,17 +45,27 @@ static void DrawPixel(int x, int y, const Math::Vec4<u8>& color) { 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))); + u8* color_buffer = 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; - ret.r() = (value >> 16) & 0xFF; - ret.g() = (value >> 8) & 0xFF; - ret.b() = value & 0xFF; - return ret; + switch (registers.framebuffer.color_format) { + case registers.framebuffer.RGBA8: + { + Math::Vec4<u8> ret; + u8* pixel = color_buffer + (x + y * registers.framebuffer.GetWidth()) * 4; + ret.r() = pixel[3]; + ret.g() = pixel[2]; + ret.b() = pixel[1]; + ret.a() = pixel[0]; + return ret; + } + default: + LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x", registers.framebuffer.color_format); + UNIMPLEMENTED(); + } + + return {}; } static u32 GetDepth(int x, int y) { |