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Merge pull request #605 from bunnei/rasterize-rgba4 

rasterizer: Add support for RGBA4 framebuffer format.
This commit is contained in:
bunnei 2015-02-24 20:26:29 -05:00
parent 3700263f71 ed255ebaec
commit efcd77a544
1 changed files with 21 additions and 0 deletions
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21
src/video_core/rasterizer.cpp
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@ -8,6 +8,7 @@
#include "common/math_util.h" #include "common/math_util.h"
#include "math.h" #include "math.h"
#include "color.h"
#include "pica.h" #include "pica.h"
#include "rasterizer.h" #include "rasterizer.h"
#include "vertex_shader.h" #include "vertex_shader.h"
@ -37,6 +38,14 @@ static void DrawPixel(int x, int y, const Math::Vec4<u8>& color) {
break; break;
} }
case registers.framebuffer.RGBA4:
{
u8* pixel = color_buffer + (x + y * registers.framebuffer.GetWidth()) * 2;
pixel[1] = (color.r() & 0xF0) | (color.g() >> 4);
pixel[0] = (color.b() & 0xF0) | (color.a() >> 4);
break;
}
default: default:
LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x", registers.framebuffer.color_format); LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x", registers.framebuffer.color_format);
UNIMPLEMENTED(); UNIMPLEMENTED();
@ -60,6 +69,18 @@ static const Math::Vec4<u8> GetPixel(int x, int y) {
ret.a() = pixel[0]; ret.a() = pixel[0];
return ret; return ret;
} }
case registers.framebuffer.RGBA4:
{
Math::Vec4<u8> ret;
u8* pixel = color_buffer + (x + y * registers.framebuffer.GetWidth()) * 2;
ret.r() = Color::Convert4To8(pixel[1] >> 4);
ret.g() = Color::Convert4To8(pixel[1] & 0x0F);
ret.b() = Color::Convert4To8(pixel[0] >> 4);
ret.a() = Color::Convert4To8(pixel[0] & 0x0F);
return ret;
}
default: default:
LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x", registers.framebuffer.color_format); LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x", registers.framebuffer.color_format);
UNIMPLEMENTED(); UNIMPLEMENTED();