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-rw-r--r--src/mesa/drivers/dri/radeon/radeon_span.c5
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 b3986ef64d4..37904dc8dc9 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 ) \