radeon: fix up span function setting

[mesa.git] / src / mesa / drivers / dri / radeon / radeon_span.c

diff --git a/src/mesa/drivers/dri/radeon/radeon_span.c b/src/mesa/drivers/dri/radeon/radeon_span.c
index 49ec2c378e547528ff056d2c1312249797d437a4..503a1e0b8699044ba3a59ce3c74aec997eb97170 100644 (file)
--- a/src/mesa/drivers/dri/radeon/radeon_span.c
+++ b/src/mesa/drivers/dri/radeon/radeon_span.c
@@ -49,6 +49,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #define DBG 0
 
+static void radeonSetSpanFunctions(struct radeon_renderbuffer *rrb);
+
 static GLubyte *radeon_ptr32(const struct radeon_renderbuffer * rrb,
                             GLint x, GLint y)
 {
@@ -366,6 +368,8 @@ static void map_buffer(struct gl_renderbuffer *rb, GLboolean write)
                                __FUNCTION__, r);
                }
        }
+
+       radeonSetSpanFunctions(rrb);
 }
 
 static void unmap_buffer(struct gl_renderbuffer *rb)
@@ -375,6 +379,8 @@ static void unmap_buffer(struct gl_renderbuffer *rb)
        if (rrb->bo) {
                radeon_bo_unmap(rrb->bo);
        }
+       rb->GetRow = NULL;
+       rb->PutRow = NULL;
 }
 
 static void radeonSpanRenderStart(GLcontext * ctx)
@@ -446,7 +452,7 @@ void radeonInitSpanFuncs(GLcontext * ctx)
 /**
  * Plug in the Get/Put routines for the given driRenderbuffer.
  */
-void radeonSetSpanFunctions(struct radeon_renderbuffer *rrb)
+static void radeonSetSpanFunctions(struct radeon_renderbuffer *rrb)
 {
        if (rrb->base.InternalFormat == GL_RGB5) {
                radeonInitPointers_RGB565(&rrb->base);