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/**********************************************************
* Copyright 2008-2009 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 "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* 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
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* 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.
*
**********************************************************/
#include "util/u_inlines.h"
#include "pipe/p_defines.h"
#include "util/u_math.h"
#include "util/u_upload_mgr.h"
#include "svga_context.h"
#include "svga_state.h"
#include "svga_draw.h"
#include "svga_tgsi.h"
#include "svga_screen.h"
#include "svga_screen_buffer.h"
#include "svga_hw_reg.h"
static int
upload_user_buffers( struct svga_context *svga )
{
enum pipe_error ret = PIPE_OK;
int i;
int nr;
if (0)
debug_printf("%s: %d\n", __FUNCTION__, svga->curr.num_vertex_buffers);
nr = svga->curr.num_vertex_buffers;
for (i = 0; i < nr; i++)
{
if (svga_buffer_is_user_buffer(svga->curr.vb[i].buffer))
{
struct svga_buffer *buffer = svga_buffer(svga->curr.vb[i].buffer);
if (!buffer->uploaded.buffer) {
ret = u_upload_buffer( svga->upload_vb,
0,
buffer->base.size,
&buffer->base,
&buffer->uploaded.offset,
&buffer->uploaded.buffer );
if (ret)
return ret;
if (0)
debug_printf("%s: %d: orig buf %p upl buf %p ofs %d sz %d\n",
__FUNCTION__,
i,
buffer,
buffer->uploaded.buffer,
buffer->uploaded.offset,
buffer->base.size);
}
pipe_buffer_reference( &svga->curr.vb[i].buffer, buffer->uploaded.buffer );
svga->curr.vb[i].buffer_offset = buffer->uploaded.offset;
}
}
if (0)
debug_printf("%s: DONE\n", __FUNCTION__);
return ret;
}
/***********************************************************************
*/
static int emit_hw_vs_vdecl( struct svga_context *svga,
unsigned dirty )
{
const struct pipe_vertex_element *ve = svga->curr.velems->velem;
SVGA3dVertexDecl decl;
unsigned i;
assert(svga->curr.velems->count >=
svga->curr.vs->base.info.file_count[TGSI_FILE_INPUT]);
svga_hwtnl_reset_vdecl( svga->hwtnl,
svga->curr.velems->count );
for (i = 0; i < svga->curr.velems->count; i++) {
const struct pipe_vertex_buffer *vb = &svga->curr.vb[ve[i].vertex_buffer_index];
unsigned usage, index;
svga_generate_vdecl_semantics( i, &usage, &index );
/* SVGA_NEW_VELEMENT
*/
decl.identity.type = svga->state.sw.ve_format[i];
decl.identity.method = SVGA3D_DECLMETHOD_DEFAULT;
decl.identity.usage = usage;
decl.identity.usageIndex = index;
decl.array.stride = vb->stride;
decl.array.offset = (vb->buffer_offset +
ve[i].src_offset);
svga_hwtnl_vdecl( svga->hwtnl,
i,
&decl,
vb->buffer );
}
return 0;
}
static int emit_hw_vdecl( struct svga_context *svga,
unsigned dirty )
{
int ret = 0;
/* SVGA_NEW_NEED_SWTNL
*/
if (svga->state.sw.need_swtnl)
return 0; /* Do not emit during swtnl */
/* If we get to here, we know that we're going to draw. Upload
* userbuffers now and try to combine multiple userbuffers from
* multiple draw calls into a single host buffer for performance.
*/
if (svga->curr.any_user_vertex_buffers &&
SVGA_COMBINE_USERBUFFERS)
{
ret = upload_user_buffers( svga );
if (ret)
return ret;
svga->curr.any_user_vertex_buffers = FALSE;
}
return emit_hw_vs_vdecl( svga, dirty );
}
struct svga_tracked_state svga_hw_vdecl =
{
"hw vertex decl state (hwtnl version)",
( SVGA_NEW_NEED_SWTNL |
SVGA_NEW_VELEMENT |
SVGA_NEW_VBUFFER |
SVGA_NEW_RAST |
SVGA_NEW_FS |
SVGA_NEW_VS ),
emit_hw_vdecl
};
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