/**********************************************************
* 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 "pipe/p_compiler.h"
#include "util/u_inlines.h"
#include "pipe/p_defines.h"
#include "util/u_memory.h"
#include "util/u_math.h"
#include "util/u_upload_mgr.h"
#include "svga_context.h"
#include "svga_draw.h"
#include "svga_draw_private.h"
#include "svga_debug.h"
#include "svga_screen.h"
#include "svga_resource_buffer.h"
#include "svga_resource_texture.h"
#include "svga_surface.h"
#include "svga_winsys.h"
#include "svga_cmd.h"
struct svga_hwtnl *svga_hwtnl_create( struct svga_context *svga,
struct u_upload_mgr *upload_ib,
struct svga_winsys_context *swc )
{
struct svga_hwtnl *hwtnl = CALLOC_STRUCT(svga_hwtnl);
if (hwtnl == NULL)
goto fail;
hwtnl->svga = svga;
hwtnl->upload_ib = upload_ib;
hwtnl->cmd.swc = swc;
return hwtnl;
fail:
return NULL;
}
void svga_hwtnl_destroy( struct svga_hwtnl *hwtnl )
{
int i, j;
for (i = 0; i < PIPE_PRIM_MAX; i++) {
for (j = 0; j < IDX_CACHE_MAX; j++) {
pipe_resource_reference( &hwtnl->index_cache[i][j].buffer,
NULL );
}
}
for (i = 0; i < hwtnl->cmd.vdecl_count; i++)
pipe_resource_reference(&hwtnl->cmd.vdecl_vb[i], NULL);
for (i = 0; i < hwtnl->cmd.prim_count; i++)
pipe_resource_reference(&hwtnl->cmd.prim_ib[i], NULL);
FREE(hwtnl);
}
void svga_hwtnl_set_flatshade( struct svga_hwtnl *hwtnl,
boolean flatshade,
boolean flatshade_first )
{
hwtnl->hw_pv = PV_FIRST;
hwtnl->api_pv = (flatshade && !flatshade_first) ? PV_LAST : PV_FIRST;
}
void svga_hwtnl_set_unfilled( struct svga_hwtnl *hwtnl,
unsigned mode )
{
hwtnl->api_fillmode = mode;
}
void svga_hwtnl_reset_vdecl( struct svga_hwtnl *hwtnl,
unsigned count )
{
unsigned i;
assert(hwtnl->cmd.prim_count == 0);
for (i = count; i < hwtnl->cmd.vdecl_count; i++) {
pipe_resource_reference(&hwtnl->cmd.vdecl_vb[i],
NULL);
}
hwtnl->cmd.vdecl_count = count;
}
void svga_hwtnl_vdecl( struct svga_hwtnl *hwtnl,
unsigned i,
const SVGA3dVertexDecl *decl,
struct pipe_resource *vb)
{
assert(hwtnl->cmd.prim_count == 0);
assert( i < hwtnl->cmd.vdecl_count );
hwtnl->cmd.vdecl[i] = *decl;
pipe_resource_reference(&hwtnl->cmd.vdecl_vb[i], vb);
}
/**
* Determine whether the specified buffer is referred in the primitive queue,
* for which no commands have been written yet.
*/
boolean
svga_hwtnl_is_buffer_referred( struct svga_hwtnl *hwtnl,
struct pipe_resource *buffer)
{
unsigned i;
if (svga_buffer_is_user_buffer(buffer)) {
return FALSE;
}
if (!hwtnl->cmd.prim_count) {
return FALSE;
}
for (i = 0; i < hwtnl->cmd.vdecl_count; ++i) {
if (hwtnl->cmd.vdecl_vb[i] == buffer) {
return TRUE;
}
}
for (i = 0; i < hwtnl->cmd.prim_count; ++i) {
if (hwtnl->cmd.prim_ib[i] == buffer) {
return TRUE;
}
}
return FALSE;
}
enum pipe_error
svga_hwtnl_flush( struct svga_hwtnl *hwtnl )
{
struct svga_winsys_context *swc = hwtnl->cmd.swc;
struct svga_context *svga = hwtnl->svga;
enum pipe_error ret;
if (hwtnl->cmd.prim_count) {
struct svga_winsys_surface *vb_handle[SVGA3D_INPUTREG_MAX];
struct svga_winsys_surface *ib_handle[QSZ];
struct svga_winsys_surface *handle;
SVGA3dVertexDecl *vdecl;
SVGA3dPrimitiveRange *prim;
unsigned i;
/* Unmap upload manager vertex buffers */
u_upload_unmap(svga->upload_vb);
for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
handle = svga_buffer_handle(svga, hwtnl->cmd.vdecl_vb[i]);
if (handle == NULL)
return PIPE_ERROR_OUT_OF_MEMORY;
vb_handle[i] = handle;
}
/* Unmap upload manager index buffers */
u_upload_unmap(svga->upload_ib);
for (i = 0; i < hwtnl->cmd.prim_count; i++) {
if (hwtnl->cmd.prim_ib[i]) {
handle = svga_buffer_handle(svga, hwtnl->cmd.prim_ib[i]);
if (handle == NULL)
return PIPE_ERROR_OUT_OF_MEMORY;
}
else
handle = NULL;
ib_handle[i] = handle;
}
if (svga->rebind.rendertargets) {
ret = svga_reemit_framebuffer_bindings(svga);
if (ret != PIPE_OK) {
return ret;
}
}
if (svga->rebind.texture_samplers) {
ret = svga_reemit_tss_bindings(svga);
if (ret != PIPE_OK) {
return ret;
}
}
SVGA_DBG(DEBUG_DMA, "draw to sid %p, %d prims\n",
svga->curr.framebuffer.cbufs[0] ?
svga_surface(svga->curr.framebuffer.cbufs[0])->handle : NULL,
hwtnl->cmd.prim_count);
ret = SVGA3D_BeginDrawPrimitives(swc,
&vdecl,
hwtnl->cmd.vdecl_count,
&prim,
hwtnl->cmd.prim_count);
if (ret != PIPE_OK)
return ret;
memcpy( vdecl,
hwtnl->cmd.vdecl,
hwtnl->cmd.vdecl_count * sizeof hwtnl->cmd.vdecl[0]);
for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
/* Given rangeHint is considered to be relative to indexBias, and
* indexBias varies per primitive, we cannot accurately supply an
* rangeHint when emitting more than one primitive per draw command.
*/
if (hwtnl->cmd.prim_count == 1) {
vdecl[i].rangeHint.first = hwtnl->cmd.min_index[0];
vdecl[i].rangeHint.last = hwtnl->cmd.max_index[0] + 1;
}
else {
vdecl[i].rangeHint.first = 0;
vdecl[i].rangeHint.last = 0;
}
swc->surface_relocation(swc,
&vdecl[i].array.surfaceId,
vb_handle[i],
SVGA_RELOC_READ);
}
memcpy( prim,
hwtnl->cmd.prim,
hwtnl->cmd.prim_count * sizeof hwtnl->cmd.prim[0]);
for (i = 0; i < hwtnl->cmd.prim_count; i++) {
swc->surface_relocation(swc,
&prim[i].indexArray.surfaceId,
ib_handle[i],
SVGA_RELOC_READ);
pipe_resource_reference(&hwtnl->cmd.prim_ib[i], NULL);
}
SVGA_FIFOCommitAll( swc );
hwtnl->cmd.prim_count = 0;
}
return PIPE_OK;
}
void svga_hwtnl_set_index_bias( struct svga_hwtnl *hwtnl,
int index_bias)
{
hwtnl->index_bias = index_bias;
}
/***********************************************************************
* Internal functions:
*/
enum pipe_error svga_hwtnl_prim( struct svga_hwtnl *hwtnl,
const SVGA3dPrimitiveRange *range,
unsigned min_index,
unsigned max_index,
struct pipe_resource *ib )
{
enum pipe_error ret = PIPE_OK;
#ifdef DEBUG
{
unsigned i;
for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
struct pipe_resource *vb = hwtnl->cmd.vdecl_vb[i];
unsigned size = vb ? vb->width0 : 0;
unsigned offset = hwtnl->cmd.vdecl[i].array.offset;
unsigned stride = hwtnl->cmd.vdecl[i].array.stride;
int index_bias = (int) range->indexBias + hwtnl->index_bias;
unsigned width;
assert(vb);
assert(size);
assert(offset < size);
assert(min_index <= max_index);
switch (hwtnl->cmd.vdecl[i].identity.type) {
case SVGA3D_DECLTYPE_FLOAT1:
width = 4;
break;
case SVGA3D_DECLTYPE_FLOAT2:
width = 4*2;
break;
case SVGA3D_DECLTYPE_FLOAT3:
width = 4*3;
break;
case SVGA3D_DECLTYPE_FLOAT4:
width = 4*4;
break;
case SVGA3D_DECLTYPE_D3DCOLOR:
width = 4;
break;
case SVGA3D_DECLTYPE_UBYTE4:
width = 1*4;
break;
case SVGA3D_DECLTYPE_SHORT2:
width = 2*2;
break;
case SVGA3D_DECLTYPE_SHORT4:
width = 2*4;
break;
case SVGA3D_DECLTYPE_UBYTE4N:
width = 1*4;
break;
case SVGA3D_DECLTYPE_SHORT2N:
width = 2*2;
break;
case SVGA3D_DECLTYPE_SHORT4N:
width = 2*4;
break;
case SVGA3D_DECLTYPE_USHORT2N:
width = 2*2;
break;
case SVGA3D_DECLTYPE_USHORT4N:
width = 2*4;
break;
case SVGA3D_DECLTYPE_UDEC3:
width = 4;
break;
case SVGA3D_DECLTYPE_DEC3N:
width = 4;
break;
case SVGA3D_DECLTYPE_FLOAT16_2:
width = 2*2;
break;
case SVGA3D_DECLTYPE_FLOAT16_4:
width = 2*4;
break;
default:
assert(0);
width = 0;
break;
}
if (index_bias >= 0) {
assert(offset + index_bias*stride + width <= size);
}
/*
* min_index/max_index are merely conservative guesses, so we can't
* make buffer overflow detection based on their values.
*/
}
assert(range->indexWidth == range->indexArray.stride);
if(ib) {
unsigned size = ib->width0;
unsigned offset = range->indexArray.offset;
unsigned stride = range->indexArray.stride;
unsigned count;
assert(size);
assert(offset < size);
assert(stride);
switch (range->primType) {
case SVGA3D_PRIMITIVE_POINTLIST:
count = range->primitiveCount;
break;
case SVGA3D_PRIMITIVE_LINELIST:
count = range->primitiveCount * 2;
break;
case SVGA3D_PRIMITIVE_LINESTRIP:
count = range->primitiveCount + 1;
break;
case SVGA3D_PRIMITIVE_TRIANGLELIST:
count = range->primitiveCount * 3;
break;
case SVGA3D_PRIMITIVE_TRIANGLESTRIP:
count = range->primitiveCount + 2;
break;
case SVGA3D_PRIMITIVE_TRIANGLEFAN:
count = range->primitiveCount + 2;
break;
default:
assert(0);
count = 0;
break;
}
assert(offset + count*stride <= size);
}
}
#endif
if (hwtnl->cmd.prim_count+1 >= QSZ) {
ret = svga_hwtnl_flush( hwtnl );
if (ret != PIPE_OK)
return ret;
}
/* min/max indices are relative to bias */
hwtnl->cmd.min_index[hwtnl->cmd.prim_count] = min_index;
hwtnl->cmd.max_index[hwtnl->cmd.prim_count] = max_index;
hwtnl->cmd.prim[hwtnl->cmd.prim_count] = *range;
hwtnl->cmd.prim[hwtnl->cmd.prim_count].indexBias += hwtnl->index_bias;
pipe_resource_reference(&hwtnl->cmd.prim_ib[hwtnl->cmd.prim_count], ib);
hwtnl->cmd.prim_count++;
return ret;
}