From ed255ebaecbfa57258b70dfb1e7da3f0cd2c1e58 Mon Sep 17 00:00:00 2001 From: bunnei Date: Tue, 24 Feb 2015 19:14:18 -0500 Subject: Rasterizer: Add support for RGBA4 framebuffer format. --- src/video_core/rasterizer.cpp | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'src/video_core/rasterizer.cpp') diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp index 17f8f70c..24dc3785 100644 --- a/src/video_core/rasterizer.cpp +++ b/src/video_core/rasterizer.cpp @@ -8,6 +8,7 @@ #include "common/math_util.h" #include "math.h" +#include "color.h" #include "pica.h" #include "rasterizer.h" #include "vertex_shader.h" @@ -37,6 +38,14 @@ static void DrawPixel(int x, int y, const Math::Vec4& color) { 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: LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x", registers.framebuffer.color_format); UNIMPLEMENTED(); @@ -60,6 +69,18 @@ static const Math::Vec4 GetPixel(int x, int y) { ret.a() = pixel[0]; return ret; } + + case registers.framebuffer.RGBA4: + { + Math::Vec4 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: LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x", registers.framebuffer.color_format); UNIMPLEMENTED(); -- cgit v1.2.3