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authorbunnei <bunneidev@gmail.com>2015-02-22 19:31:53 +0100
committerbunnei <bunneidev@gmail.com>2015-02-22 19:57:24 +0100
commit733c19ddd30db59eea822a60618b38e4fb7a0761 (patch)
tree6527068cbee84014f17cb83650178d830dcd5ec7 /src/video_core/rasterizer.cpp
parentMerge 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.cpp35
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) {