/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
+ * Copyright 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
/* Author:
* Brian Paul
+ * Michel Dänzer
*/
#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_surface.h"
-#include "sp_state.h"
+#include "sp_query.h"
#include "sp_tile_cache.h"
/**
- * Convert packed pixel from one format to another.
- */
-static unsigned
-convert_color(enum pipe_format srcFormat, unsigned srcColor,
- enum pipe_format dstFormat)
-{
- ubyte r, g, b, a;
- unsigned dstColor;
-
- util_unpack_color_ub(srcFormat, &srcColor, &r, &g, &b, &a);
- util_pack_color_ub(r, g, b, a, dstFormat, &dstColor);
-
- return dstColor;
-}
-
-
-
-/**
- * Clear the given surface to the specified value.
+ * Clear the given buffers to the specified values.
* No masking, no scissor (clear entire buffer).
- * Note: when clearing a color buffer, the clearValue is always
- * encoded as PIPE_FORMAT_A8R8G8B8_UNORM.
*/
void
-softpipe_clear(struct pipe_context *pipe, struct pipe_surface *ps,
- unsigned clearValue)
+softpipe_clear(struct pipe_context *pipe, unsigned buffers,
+ const union pipe_color_union *color,
+ 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;
if (softpipe->no_rast)
return;
+ if (!softpipe_check_render_cond(softpipe))
+ return;
+
#if 0
- softpipe_update_derived(softpipe); /* not needed?? */
+ softpipe_update_derived(softpipe, PIPE_PRIM_TRIANGLES); /* not needed?? */
#endif
- if (ps == sp_tile_cache_get_surface(softpipe->zsbuf_cache)) {
- sp_tile_cache_clear(softpipe->zsbuf_cache, clearValue);
- softpipe->framebuffer.zsbuf->status = PIPE_SURFACE_STATUS_CLEAR;
-#if TILE_CLEAR_OPTIMIZATION
- return;
-#endif
+ if (buffers & PIPE_CLEAR_COLOR) {
+ for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
+ sp_tile_cache_clear(softpipe->cbuf_cache[i], color, 0);
+ }
}
- for (i = 0; i < softpipe->framebuffer.num_cbufs; i++) {
- if (ps == sp_tile_cache_get_surface(softpipe->cbuf_cache[i])) {
- unsigned cv;
- if (ps->format != PIPE_FORMAT_A8R8G8B8_UNORM) {
- cv = convert_color(PIPE_FORMAT_A8R8G8B8_UNORM, clearValue,
- ps->format);
- }
- else {
- cv = clearValue;
- }
- sp_tile_cache_clear(softpipe->cbuf_cache[i], cv);
- softpipe->framebuffer.cbufs[i]->status = PIPE_SURFACE_STATUS_CLEAR;
- }
+ 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;
-#if !TILE_CLEAR_OPTIMIZATION
- /* non-cached surface */
- pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, clearValue);
-#endif
+ cv = util_pack64_z_stencil(zsbuf->format, depth, stencil);
+ sp_tile_cache_clear(softpipe->zsbuf_cache, &zero, cv);
+ }
+
+ softpipe->dirty_render_cache = TRUE;
}