diff options
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_span.c')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_span.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_span.c b/src/mesa/drivers/dri/radeon/radeon_span.c index b3986ef64d..37904dc8dc 100644 --- a/src/mesa/drivers/dri/radeon/radeon_span.c +++ b/src/mesa/drivers/dri/radeon/radeon_span.c @@ -668,7 +668,7 @@ do { \ #define WRITE_DEPTH( _x, _y, d ) \ do { \ GLuint *_ptr = (GLuint*)radeon_ptr_4byte( rrb, _x + x_off, _y + y_off ); \ - *_ptr = CPU_TO_LE32(d); \ + *_ptr = CPU_TO_LE32((((d) & 0xff000000) >> 24) | (((d) & 0x00ffffff) << 8)); \ } while (0) #elif defined(RADEON_R600) #define WRITE_DEPTH( _x, _y, d ) \ @@ -701,7 +701,8 @@ do { \ #if defined(RADEON_R300) #define READ_DEPTH( d, _x, _y ) \ do { \ - d = LE32_TO_CPU(*(GLuint*)(radeon_ptr_4byte(rrb, _x + x_off, _y + y_off))); \ + GLuint tmp = (*(GLuint*)(radeon_ptr_4byte(rrb, _x + x_off, _y + y_off))); \ + d = LE32_TO_CPU(((tmp & 0x000000ff) << 24) | ((tmp & 0xffffff00) >> 8)); \ }while(0) #elif defined(RADEON_R600) #define READ_DEPTH( d, _x, _y ) \ |