/**********************************************************
* 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 svga_hwtnl *hwtnl = CALLOC_STRUCT(svga_hwtnl);
if (hwtnl == NULL)
goto fail;
hwtnl->svga = svga;
hwtnl->cmd.swc = svga->swc;
return hwtnl;
fail:
return NULL;
}
void
svga_hwtnl_destroy(struct svga_hwtnl *hwtnl)
{
unsigned 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;
for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
assert(!svga_buffer_is_user_buffer
(hwtnl
->cmd.
vdecl_vb[i
]));
handle = svga_buffer_handle(svga, hwtnl->cmd.vdecl_vb[i]);
if (handle == NULL)
return PIPE_ERROR_OUT_OF_MEMORY;
vb_handle[i] = handle;
}
for (i = 0; i < hwtnl->cmd.prim_count; i++) {
if (hwtnl->cmd.prim_ib[i]) {
assert(!svga_buffer_is_user_buffer
(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;
}
}
if (svga->rebind.vs) {
ret = svga_reemit_vs_bindings(svga);
if (ret != PIPE_OK) {
return ret;
}
}
if (svga->rebind.fs) {
ret = svga_reemit_fs_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, NULL,
vb_handle[i], SVGA_RELOC_READ);
}
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, NULL,
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:
*/
/**
* For debugging only.
*/
static void
check_draw_params(struct svga_hwtnl *hwtnl,
const SVGA3dPrimitiveRange *range,
unsigned min_index, unsigned max_index,
struct pipe_resource *ib)
{
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(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:
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;
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:
count = 0;
break;
}
assert(offset
+ count
* stride
<= size
);
}
}
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
check_draw_params(hwtnl, range, min_index, max_index, ib);
#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;
}