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authorJosé Fonseca <jfonseca@vmware.com>2008-12-22 20:20:58 +0000
committerJosé Fonseca <jfonseca@vmware.com>2008-12-22 20:20:58 +0000
commitfc16ba8553e239acf68c6ea5f9729c4f02b2ffc4 (patch)
tree25821817d34884a37607702021d3e8d1ad9e1c97 /src/gallium
parent5f36c5b2c59bb8be53d3712b3896b448ef086c74 (diff)
softpipe: Call surface_alloc_storage to get the pipebuffer for display targets.
Otherwise blitting from display target surfaces to front screen fails in several platforms.
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/softpipe/sp_texture.c49
1 files changed, 34 insertions, 15 deletions
diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index 0cb4b2f03c..fbe73e6915 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -94,31 +94,50 @@ softpipe_texture_layout(struct pipe_screen *screen,
return spt->buffer != NULL;
}
+/* Hack it up to use the old winsys->surface_alloc_storage()
+ * method for now:
+ */
static boolean
softpipe_displaytarget_layout(struct pipe_screen *screen,
struct softpipe_texture * spt)
{
struct pipe_winsys *ws = screen->winsys;
- size_t tex_size;
- unsigned cpp;
-
- switch (spt->base.format) {
- case PIPE_FORMAT_R5G6B5_UNORM:
- cpp = 2;
- break;
- case PIPE_FORMAT_Z24S8_UNORM:
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- default:
- cpp = 4;
- break;
+ struct pipe_surface surf;
+ unsigned flags = (PIPE_BUFFER_USAGE_CPU_READ |
+ PIPE_BUFFER_USAGE_CPU_WRITE |
+ PIPE_BUFFER_USAGE_GPU_READ |
+ PIPE_BUFFER_USAGE_GPU_WRITE);
+ int ret;
+
+
+ memset(&surf, 0, sizeof(surf));
+
+ ret =ws->surface_alloc_storage( ws,
+ &surf,
+ spt->base.width[0],
+ spt->base.height[0],
+ spt->base.format,
+ flags,
+ spt->base.tex_usage);
+ if(ret != 0)
+ return FALSE;
+
+ if (!surf.buffer) {
+ /* allocation failed */
+ return FALSE;
}
- tex_size = spt->base.width[0] * cpp * spt->base.height[0];
- spt->buffer = ws->buffer_create(ws, 64, PIPE_BUFFER_USAGE_PIXEL, tex_size);
+
/* Now extract the goodies:
*/
spt->base.nblocksx[0] = pf_get_nblocksx(&spt->base.block, spt->base.width[0]);
spt->base.nblocksy[0] = pf_get_nblocksy(&spt->base.block, spt->base.height[0]);
- spt->stride[0] = spt->base.width[0] * cpp;
+ spt->stride[0] = surf.stride;
+
+ /* Transfer the reference:
+ */
+ spt->buffer = surf.buffer;
+ surf.buffer = NULL;
+
return spt->buffer != NULL;
}