bcm accelerated blit: avoid running out of clut data

[enigma2.git] / lib / gdi / accel.cpp

diff --git a/lib/gdi/accel.cpp b/lib/gdi/accel.cpp
index bf9a5a44d26f3039aa908f67f3c382f36e879dde..fc739e92b917e3058b4bbb3f360a94a8b7723b66 100644 (file)
--- a/lib/gdi/accel.cpp
+++ b/lib/gdi/accel.cpp
@@ -28,10 +28,11 @@ extern void ati_accel_fill(
 extern int bcm_accel_init(void);
 extern void bcm_accel_close(void);
 extern void bcm_accel_blit(
-               int src_addr, int src_width, int src_height, int src_stride,
+               int src_addr, int src_width, int src_height, int src_stride, int src_format,
                int dst_addr, int dst_width, int dst_height, int dst_stride,
                int src_x, int src_y, int width, int height,
-               int dst_x, int dst_y, int dwidth, int dheight);
+               int dst_x, int dst_y, int dwidth, int dheight,
+               int pal_addr, int flags);
 extern void bcm_accel_fill(
                int dst_addr, int dst_width, int dst_height, int dst_stride,
                int x, int y, int width, int height,
@@ -97,11 +98,31 @@ int gAccel::blit(gSurface *dst, const gSurface *src, const eRect &p, const eRect
 #ifdef BCM_ACCEL
        if (!m_bcm_accel_state)
        {
+               if (flags & (gPixmap::blitAlphaTest|gPixmap::blitAlphaBlend)) /* unsupported flags */
+                       return -1;
+               unsigned long pal_addr = 0;
+               int src_format = 0;
+               if (src->bpp == 32)
+                       src_format = 0;
+               else if ((src->bpp == 8) && src->clut.data)
+               {
+                       src_format = 1;
+                       /* sync pal */
+                       int i;
+                       pal_addr = src->stride * src->y;
+                       unsigned long *pal = (unsigned long*)(((unsigned char*)src->data) + pal_addr);
+                       pal_addr += src->data_phys;
+                       for (i = 0; i < src->clut.colors; ++i)
+                               *pal++ = src->clut.data[i].argb() ^ 0xFF000000;
+               } else
+                       return -1; /* unsupported source format */
+
                bcm_accel_blit(
-                       src->data_phys, src->x, src->y, src->stride,
+                       src->data_phys, src->x, src->y, src->stride, src_format,
                        dst->data_phys, dst->x, dst->y, dst->stride, 
                        area.left(), area.top(), area.width(), area.height(),
-                       p.x(), p.y(), p.width(), p.height());
+                       p.x(), p.y(), p.width(), p.height(),
+                       pal_addr, flags);
                return 0;
        }
 #endif