softpipe: remove the 32bits limitation on depth(-stencil) formats

This patch remove the 32bits limitation. As a side effect, it bring the support for the GL_ARB_depth_buffer_float extension.
No regression have been found on piglit, and all tests for GL_ARB_depth_buffer_float pass successfully.

Signed-off-by: Dave Airlie <[email protected]>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gallium/drivers/softpipe/sp_clear.c b/src/gallium/drivers/softpipe/sp_clear.c
index b59524a2214..dd6bd833e61 100644
--- a/src/gallium/drivers/softpipe/sp_clear.c
+++ b/src/gallium/drivers/softpipe/sp_clear.c
@@ -50,7 +50,7 @@ softpipe_clear(struct pipe_context *pipe, unsigned buffers,
                double depth, unsigned stencil)
 {
    struct softpipe_context *softpipe = softpipe_context(pipe);
-   unsigned cv;
+   uint64_t cv;
    uint i;
 
    if (softpipe->no_rast)
@@ -73,7 +73,7 @@ softpipe_clear(struct pipe_context *pipe, unsigned buffers,
       static const union pipe_color_union zero;
       struct pipe_surface *ps = softpipe->framebuffer.zsbuf;
 
-      cv = util_pack_z_stencil(ps->format, depth, stencil);
+      cv = util_pack64_z_stencil(ps->format, depth, stencil);
       sp_tile_cache_clear(softpipe->zsbuf_cache, &zero, cv);
    }