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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_state.h"
#include "svga_context.h"
#include "svga_state.h"
#include "svga_debug.h"
#include "svga_hw_reg.h"
/***********************************************************************
*/
static INLINE SVGA3dDeclType
svga_translate_vertex_format(enum pipe_format format)
{
switch (format) {
case PIPE_FORMAT_R32_FLOAT: return SVGA3D_DECLTYPE_FLOAT1;
case PIPE_FORMAT_R32G32_FLOAT: return SVGA3D_DECLTYPE_FLOAT2;
case PIPE_FORMAT_R32G32B32_FLOAT: return SVGA3D_DECLTYPE_FLOAT3;
case PIPE_FORMAT_R32G32B32A32_FLOAT: return SVGA3D_DECLTYPE_FLOAT4;
case PIPE_FORMAT_A8R8G8B8_UNORM: return SVGA3D_DECLTYPE_D3DCOLOR;
case PIPE_FORMAT_R8G8B8A8_USCALED: return SVGA3D_DECLTYPE_UBYTE4;
case PIPE_FORMAT_R16G16_SSCALED: return SVGA3D_DECLTYPE_SHORT2;
case PIPE_FORMAT_R16G16B16A16_SSCALED: return SVGA3D_DECLTYPE_SHORT4;
case PIPE_FORMAT_R8G8B8A8_UNORM: return SVGA3D_DECLTYPE_UBYTE4N;
case PIPE_FORMAT_R16G16_SNORM: return SVGA3D_DECLTYPE_SHORT2N;
case PIPE_FORMAT_R16G16B16A16_SNORM: return SVGA3D_DECLTYPE_SHORT4N;
case PIPE_FORMAT_R16G16_UNORM: return SVGA3D_DECLTYPE_USHORT2N;
case PIPE_FORMAT_R16G16B16A16_UNORM: return SVGA3D_DECLTYPE_USHORT4N;
/* These formats don't exist yet:
*
case PIPE_FORMAT_R10G10B10_USCALED: return SVGA3D_DECLTYPE_UDEC3;
case PIPE_FORMAT_R10G10B10_SNORM: return SVGA3D_DECLTYPE_DEC3N;
case PIPE_FORMAT_R16G16_FLOAT: return SVGA3D_DECLTYPE_FLOAT16_2;
case PIPE_FORMAT_R16G16B16A16_FLOAT: return SVGA3D_DECLTYPE_FLOAT16_4;
*/
default:
/* There are many formats without hardware support. This case
* will be hit regularly, meaning we'll need swvfetch.
*/
return SVGA3D_DECLTYPE_MAX;
}
}
static int update_need_swvfetch( struct svga_context *svga,
unsigned dirty )
{
unsigned i;
boolean need_swvfetch = FALSE;
if (!svga->curr.velems) {
/* No vertex elements bound. */
return 0;
}
for (i = 0; i < svga->curr.velems->count; i++) {
svga->state.sw.ve_format[i] = svga_translate_vertex_format(svga->curr.velems->velem[i].src_format);
if (svga->state.sw.ve_format[i] == SVGA3D_DECLTYPE_MAX) {
need_swvfetch = TRUE;
break;
}
}
if (need_swvfetch != svga->state.sw.need_swvfetch) {
svga->state.sw.need_swvfetch = need_swvfetch;
svga->dirty |= SVGA_NEW_NEED_SWVFETCH;
}
return 0;
}
struct svga_tracked_state svga_update_need_swvfetch =
{
"update need_swvfetch",
( SVGA_NEW_VELEMENT ),
update_need_swvfetch
};
/***********************************************************************
*/
static int update_need_pipeline( struct svga_context *svga,
unsigned dirty )
{
boolean need_pipeline = FALSE;
struct svga_vertex_shader *vs = svga->curr.vs;
/* SVGA_NEW_RAST, SVGA_NEW_REDUCED_PRIMITIVE
*/
if (svga->curr.rast->need_pipeline & (1 << svga->curr.reduced_prim)) {
SVGA_DBG(DEBUG_SWTNL, "%s: rast need_pipeline (%d) & prim (%x)\n",
__FUNCTION__,
svga->curr.rast->need_pipeline,
(1 << svga->curr.reduced_prim) );
need_pipeline = TRUE;
}
/* EDGEFLAGS
*/
if (vs->base.info.writes_edgeflag) {
SVGA_DBG(DEBUG_SWTNL, "%s: edgeflags\n", __FUNCTION__);
need_pipeline = TRUE;
}
/* SVGA_NEW_CLIP
*/
if (svga->curr.clip.nr) {
SVGA_DBG(DEBUG_SWTNL, "%s: userclip\n", __FUNCTION__);
need_pipeline = TRUE;
}
if (need_pipeline != svga->state.sw.need_pipeline) {
svga->state.sw.need_pipeline = need_pipeline;
svga->dirty |= SVGA_NEW_NEED_PIPELINE;
}
return 0;
}
struct svga_tracked_state svga_update_need_pipeline =
{
"need pipeline",
(SVGA_NEW_RAST |
SVGA_NEW_CLIP |
SVGA_NEW_VS |
SVGA_NEW_REDUCED_PRIMITIVE),
update_need_pipeline
};
/***********************************************************************
*/
static int update_need_swtnl( struct svga_context *svga,
unsigned dirty )
{
boolean need_swtnl;
if (svga->debug.no_swtnl) {
svga->state.sw.need_swvfetch = 0;
svga->state.sw.need_pipeline = 0;
}
need_swtnl = (svga->state.sw.need_swvfetch ||
svga->state.sw.need_pipeline);
if (svga->debug.force_swtnl) {
need_swtnl = 1;
}
if (need_swtnl != svga->state.sw.need_swtnl) {
SVGA_DBG(DEBUG_SWTNL|DEBUG_PERF,
"%s need_swvfetch: %s, need_pipeline %s\n",
__FUNCTION__,
svga->state.sw.need_swvfetch ? "true" : "false",
svga->state.sw.need_pipeline ? "true" : "false");
svga->state.sw.need_swtnl = need_swtnl;
svga->dirty |= SVGA_NEW_NEED_SWTNL;
svga->swtnl.new_vdecl = TRUE;
}
return 0;
}
struct svga_tracked_state svga_update_need_swtnl =
{
"need swtnl",
(SVGA_NEW_NEED_PIPELINE |
SVGA_NEW_NEED_SWVFETCH),
update_need_swtnl
};
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