diff options
Diffstat (limited to 'src/libui_sdl/main_shaders.h')
| -rw-r--r-- | src/libui_sdl/main_shaders.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/libui_sdl/main_shaders.h b/src/libui_sdl/main_shaders.h index 5c9095e..d6d898d 100644 --- a/src/libui_sdl/main_shaders.h +++ b/src/libui_sdl/main_shaders.h @@ -65,13 +65,14 @@ out vec4 oColor; void main() { ivec4 pixel = ivec4(texelFetch(ScreenTex, ivec2(fTexcoord), 0)); -ivec4 zog=pixel; + // bit0-13: BLDCNT // bit14-15: DISPCNT display mode // bit16-20: EVA // bit21-25: EVB // bit26-30: EVY ivec4 ctl = ivec4(texelFetch(ScreenTex, ivec2(256*3, int(fTexcoord.y)), 0)); + ivec4 mbright = ivec4(texelFetch(ScreenTex, ivec2(256*3 + 1, int(fTexcoord.y)), 0)); int dispmode = (ctl.g >> 6) & 0x3; if (dispmode == 1) @@ -182,6 +183,27 @@ ivec4 zog=pixel; } } + if (dispmode != 0) + { + int brightmode = mbright.g >> 6; + if (brightmode == 1) + { + // up + int evy = mbright.r & 0x1F; + if (evy > 16) evy = 16; + + pixel += ((ivec4(0x3F,0x3F,0x3F,0) - pixel) * evy) >> 4; + } + else if (brightmode == 2) + { + // down + int evy = mbright.r & 0x1F; + if (evy > 16) evy = 16; + + pixel -= (pixel * evy) >> 4; + } + } + pixel.rgb <<= 2; pixel.rgb |= (pixel.rgb >> 6); |