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Diffstat (limited to 'src/emu/rendersw.c')
-rw-r--r--src/emu/rendersw.c62
1 files changed, 31 insertions, 31 deletions
diff --git a/src/emu/rendersw.c b/src/emu/rendersw.c
index 1cd63727c7c..95655356f45 100644
--- a/src/emu/rendersw.c
+++ b/src/emu/rendersw.c
@@ -51,10 +51,10 @@ private:
// internal structs
struct quad_setup_data
{
- INT32 dudx, dvdx, dudy, dvdy;
- INT32 startu, startv;
- INT32 startx, starty;
- INT32 endx, endy;
+ INT32 dudx, dvdx, dudy, dvdy;
+ INT32 startu, startv;
+ INT32 startx, starty;
+ INT32 endx, endy;
};
// internal helpers
@@ -105,42 +105,42 @@ private:
{
// original equations:
//
- // C = Y - 16
- // D = Cb - 128
- // E = Cr - 128
+ // C = Y - 16
+ // D = Cb - 128
+ // E = Cr - 128
//
- // R = clip(( 298 * C + 409 * E + 128) >> 8)
- // G = clip(( 298 * C - 100 * D - 208 * E + 128) >> 8)
- // B = clip(( 298 * C + 516 * D + 128) >> 8)
+ // R = clip(( 298 * C + 409 * E + 128) >> 8)
+ // G = clip(( 298 * C - 100 * D - 208 * E + 128) >> 8)
+ // B = clip(( 298 * C + 516 * D + 128) >> 8)
//
- // R = clip(( 298 * (Y - 16) + 409 * (Cr - 128) + 128) >> 8)
- // G = clip(( 298 * (Y - 16) - 100 * (Cb - 128) - 208 * (Cr - 128) + 128) >> 8)
- // B = clip(( 298 * (Y - 16) + 516 * (Cb - 128) + 128) >> 8)
+ // R = clip(( 298 * (Y - 16) + 409 * (Cr - 128) + 128) >> 8)
+ // G = clip(( 298 * (Y - 16) - 100 * (Cb - 128) - 208 * (Cr - 128) + 128) >> 8)
+ // B = clip(( 298 * (Y - 16) + 516 * (Cb - 128) + 128) >> 8)
//
- // R = clip(( 298 * Y - 298 * 16 + 409 * Cr - 409 * 128 + 128) >> 8)
- // G = clip(( 298 * Y - 298 * 16 - 100 * Cb + 100 * 128 - 208 * Cr + 208 * 128 + 128) >> 8)
- // B = clip(( 298 * Y - 298 * 16 + 516 * Cb - 516 * 128 + 128) >> 8)
+ // R = clip(( 298 * Y - 298 * 16 + 409 * Cr - 409 * 128 + 128) >> 8)
+ // G = clip(( 298 * Y - 298 * 16 - 100 * Cb + 100 * 128 - 208 * Cr + 208 * 128 + 128) >> 8)
+ // B = clip(( 298 * Y - 298 * 16 + 516 * Cb - 516 * 128 + 128) >> 8)
//
- // R = clip(( 298 * Y - 298 * 16 + 409 * Cr - 409 * 128 + 128) >> 8)
- // G = clip(( 298 * Y - 298 * 16 - 100 * Cb + 100 * 128 - 208 * Cr + 208 * 128 + 128) >> 8)
- // B = clip(( 298 * Y - 298 * 16 + 516 * Cb - 516 * 128 + 128) >> 8)
+ // R = clip(( 298 * Y - 298 * 16 + 409 * Cr - 409 * 128 + 128) >> 8)
+ // G = clip(( 298 * Y - 298 * 16 - 100 * Cb + 100 * 128 - 208 * Cr + 208 * 128 + 128) >> 8)
+ // B = clip(( 298 * Y - 298 * 16 + 516 * Cb - 516 * 128 + 128) >> 8)
//
- // Now combine constants:
+ // Now combine constants:
//
- // R = clip(( 298 * Y + 409 * Cr - 56992) >> 8)
- // G = clip(( 298 * Y - 100 * Cb - 208 * Cr + 34784) >> 8)
- // B = clip(( 298 * Y + 516 * Cb - 70688) >> 8)
+ // R = clip(( 298 * Y + 409 * Cr - 56992) >> 8)
+ // G = clip(( 298 * Y - 100 * Cb - 208 * Cr + 34784) >> 8)
+ // B = clip(( 298 * Y + 516 * Cb - 70688) >> 8)
//
- // Define common = 298 * y - 56992. This will save one addition
+ // Define common = 298 * y - 56992. This will save one addition
//
- // R = clip(( common + 409 * Cr - 0) >> 8)
- // G = clip(( common - 100 * Cb - 208 * Cr + 91776) >> 8)
- // B = clip(( common + 516 * Cb - 13696) >> 8)
+ // R = clip(( common + 409 * Cr - 0) >> 8)
+ // G = clip(( common - 100 * Cb - 208 * Cr + 91776) >> 8)
+ // B = clip(( common + 516 * Cb - 13696) >> 8)
//
- UINT8 y = ycc;
- UINT8 cb = ycc >> 8;
- UINT8 cr = ycc >> 16;
+ UINT8 y = ycc;
+ UINT8 cb = ycc >> 8;
+ UINT8 cr = ycc >> 16;
UINT32 common = 298 * y - 56992;
UINT32 r = (common + 409 * cr);
@@ -565,7 +565,7 @@ private:
// only support alpha and "none" blendmodes
assert(PRIMFLAG_GET_BLENDMODE(prim.flags) == BLENDMODE_NONE ||
- PRIMFLAG_GET_BLENDMODE(prim.flags) == BLENDMODE_ALPHA);
+ PRIMFLAG_GET_BLENDMODE(prim.flags) == BLENDMODE_ALPHA);
// fast case: no alpha
if (PRIMFLAG_GET_BLENDMODE(prim.flags) == BLENDMODE_NONE || is_opaque(prim.color.a))