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softpipe: implement separate depth-stencil clear

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The CAP is going away.

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Marek Olšák 2013-01-14 06:45:50 +01:00
parent 77dd50d020
commit 16a30e201e
1 changed files with 12 additions and 3 deletions
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15
src/gallium/drivers/softpipe/sp_clear.c
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@ -34,6 +34,7 @@
#include "pipe/p_defines.h"
#include "util/u_pack_color.h"
#include "util/u_surface.h"
#include "sp_clear.h"
#include "sp_context.h"
#include "sp_query.h"
@ -50,6 +51,8 @@ softpipe_clear(struct pipe_context *pipe, unsigned buffers,
double depth, unsigned stencil)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
struct pipe_surface *zsbuf = softpipe->framebuffer.zsbuf;
unsigned zs_buffers = buffers & PIPE_CLEAR_DEPTHSTENCIL;
uint64_t cv;
uint i;
@ -69,11 +72,17 @@ softpipe_clear(struct pipe_context *pipe, unsigned buffers,
}
}
if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
if (zs_buffers &&
util_format_is_depth_and_stencil(zsbuf->texture->format) &&
zs_buffers != PIPE_CLEAR_DEPTHSTENCIL) {
/* Clearing only depth or stencil in a combined depth-stencil buffer. */
util_clear_depth_stencil(pipe, zsbuf, zs_buffers, depth, stencil,
0, 0, zsbuf->width, zsbuf->height);
}
else if (zs_buffers) {
static const union pipe_color_union zero;
struct pipe_surface *ps = softpipe->framebuffer.zsbuf;
cv = util_pack64_z_stencil(ps->format, depth, stencil);
cv = util_pack64_z_stencil(zsbuf->format, depth, stencil);
sp_tile_cache_clear(softpipe->zsbuf_cache, &zero, cv);
}