dri: Fix write/read depth buffer issue under 16bpp mode. See bug #16646

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/s3v/s3v_span.c b/src/mesa/drivers/dri/s3v/s3v_span.c
index de78f9f6b1b..f9f7c0d1eee 100644
--- a/src/mesa/drivers/dri/s3v/s3v_span.c
+++ b/src/mesa/drivers/dri/s3v/s3v_span.c
@@ -128,6 +128,8 @@ do { \
 
 /* 16 bit depthbuffer functions.
  */
+#define VALUE_TYPE GLushort
+
 #define WRITE_DEPTH( _x, _y, d ) \
    *(GLushort *)(buf + _x*2 + _y*dPriv->w*2) = d
 
@@ -143,6 +145,8 @@ do { \
 /* 32 bit depthbuffer functions.
  */
 #if 0
+#define VALUE_TYPE GLuint
+
 #define WRITE_DEPTH( _x, _y, d )	\
    *(GLuint *)(buf + _x*4 + _y*pitch) = d;
 
@@ -157,6 +161,8 @@ do { \
 /* 24/8 bit interleaved depth/stencil functions
  */
 #if 0
+#define VALUE_TYPE GLuint
+
 #define WRITE_DEPTH( _x, _y, d ) { \
    GLuint tmp = *(GLuint *)(buf + _x*4 + _y*pitch);	\
    tmp &= 0xff; \