1 files changed, 60 insertions, 0 deletions
diff --git a/patches/DirectFB-1.3.0/old-patches-for-reference/fast_rgb32_to_rgb16.patch b/patches/DirectFB-1.3.0/old-patches-for-reference/fast_rgb32_to_rgb16.patch
new file mode 100644
index 000000000..d86a8eb99
--- /dev/null
+++ b/patches/DirectFB-1.3.0/old-patches-for-reference/fast_rgb32_to_rgb16.patch
@@ -0,0 +1,60 @@
+diff -pur DirectFB-1.0.1/src/gfx/generic/generic.c DirectFB-1.0.1-hacked/src/gfx/generic/generic.c
+--- DirectFB-1.0.1/src/gfx/generic/generic.c	2007-08-19 23:52:06.000000000 +0200
++++ DirectFB-1.0.1-hacked/src/gfx/generic/generic.c	2007-11-23 20:42:21.000000000 +0100
+@@ -6455,6 +6458,42 @@ Bop_rgb24_to_Aop_rgb16_LE( GenefxState *
+           S += 3;
+      }
+ }
++
++/*
++ * Fast RGB32 to RGB16 conversion.
++ */
++static void
++Bop_rgb32_to_Aop_rgb16_LE( GenefxState *gfxs )
++{
++     int  w = gfxs->length;
++     u32 *S = gfxs->Bop[0];
++     u32 *D = gfxs->Aop[0];
++
++     if ((unsigned long)D & 2) {
++          u16 *d = (u16*)D;
++
++          d[0] = RGB32_TO_RGB16( S[0] );
++
++          w--;
++          S++;
++
++          D = (u32*)(d+1);
++     }
++
++     while (w > 1) {
++          D[0] = RGB32_TO_RGB16( S[0] ) | (RGB32_TO_RGB16( S[1] ) << 16);
++
++          w -= 2;
++          S += 2;
++          D += 1;
++     }
++
++     if (w > 0) {
++          u16 *d = (u16*)D;
++
++          d[0] = RGB32_TO_RGB16( S[0] );
++     }
++}
+ #endif  /* #ifndef WORDS_BIGENDIAN */
+ 
+ bool gAcquire( CardState *state, DFBAccelerationMask accel )
+@@ -6989,6 +7028,13 @@ bool gAcquire( CardState *state, DFBAcce
+                     *funcs++ = Bop_rgb24_to_Aop_rgb16_LE;
+                     break;
+                }
++               if (state->blittingflags == DSBLIT_NOFX &&
++                   (source->format == DSPF_RGB32 || source->format == DSPF_ARGB) &&
++                   destination->format == DSPF_RGB16)
++               {
++                    *funcs++ = Bop_rgb32_to_Aop_rgb16_LE;
++                    break;
++               }
+ #endif
+                /* fallthru */
+           case DFXL_STRETCHBLIT: {