static void
svga_user_buffer_range(struct svga_context *svga,
unsigned start,
unsigned count,
unsigned instance_count)
{
const struct pipe_vertex_element *ve = svga->curr.velems->velem;
int i;
/*
* Release old uploaded range (if not done already) and
* initialize new ranges.
*/
for (i=0; i < svga->curr.velems->count; i++) {
struct pipe_vertex_buffer *vb =
&svga->curr.vb[ve[i].vertex_buffer_index];
if (vb->buffer && svga_buffer_is_user_buffer(vb->buffer)) {
struct svga_buffer *buffer = svga_buffer(vb->buffer);
pipe_resource_reference(&buffer->uploaded.buffer, NULL);
buffer->uploaded.start = ~0;
buffer->uploaded.end = 0;
}
}
for (i=0; i < svga->curr.velems->count; i++) {
struct pipe_vertex_buffer *vb =
&svga->curr.vb[ve[i].vertex_buffer_index];
if (vb->buffer && svga_buffer_is_user_buffer(vb->buffer)) {
struct svga_buffer *buffer = svga_buffer(vb->buffer);
unsigned first, size;
unsigned instance_div = ve[i].instance_divisor;
unsigned elemSize = util_format_get_blocksize(ve[i].src_format);
svga->dirty |= SVGA_NEW_VBUFFER;
if (instance_div) {
first = ve[i].src_offset;
count = (instance_count + instance_div - 1) / instance_div;
size = vb->stride * (count - 1) + elemSize;
} else if (vb->stride) {
first = vb->stride * start + ve[i].src_offset;
size = vb->stride * (count - 1) + elemSize;
} else {
/* Only a single vertex!
* Upload with the largest vertex size the hw supports,
* if possible.
*/
first = ve[i].src_offset;
size = MIN2(16, vb->buffer->width0);
}
buffer->uploaded.start = MIN2(buffer->uploaded.start, first);
buffer->uploaded.end = MAX2(buffer->uploaded.end, first + size);
}
}
}
static void svga_set_vertex_buffers(struct pipe_context *pipe,
unsigned count,
const struct pipe_vertex_buffer *buffers)
{
struct svga_context *svga = svga_context(pipe);
unsigned i;
boolean any_user_buffer = FALSE;
/* Check for no change */
if (count == svga->curr.num_vertex_buffers &&
memcmp(svga->curr.vb, buffers, count * sizeof buffers[0]) == 0)
return;
/* Adjust refcounts */
for (i = 0; i < count; i++) {
pipe_resource_reference(&svga->curr.vb[i].buffer, buffers[i].buffer);
if (svga_buffer_is_user_buffer(buffers[i].buffer))
any_user_buffer = TRUE;
}
for ( ; i < svga->curr.num_vertex_buffers; i++)
pipe_resource_reference(&svga->curr.vb[i].buffer, NULL);
/* Copy remaining data */
memcpy(svga->curr.vb, buffers, count * sizeof buffers[0]);
svga->curr.num_vertex_buffers = count;
svga->curr.any_user_vertex_buffers = any_user_buffer;
svga->dirty |= SVGA_NEW_VBUFFER;
}
/**
* 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.vbuf_count; ++i) {
if (hwtnl->cmd.vbufs[i].buffer == buffer) {
return TRUE;
}
}
for (i = 0; i < hwtnl->cmd.prim_count; ++i) {
if (hwtnl->cmd.prim_ib[i] == buffer) {
return TRUE;
}
}
return FALSE;
}
static int
svga_upload_user_buffers(struct svga_context *svga,
unsigned start,
unsigned count,
unsigned instance_count)
{
const struct pipe_vertex_element *ve = svga->curr.velems->velem;
unsigned i;
int ret;
svga_user_buffer_range(svga, start, count, instance_count);
for (i=0; i < svga->curr.velems->count; i++) {
struct pipe_vertex_buffer *vb =
&svga->curr.vb[ve[i].vertex_buffer_index];
if (vb->buffer && svga_buffer_is_user_buffer(vb->buffer)) {
struct svga_buffer *buffer = svga_buffer(vb->buffer);
/*
* Check if already uploaded. Otherwise go ahead and upload.
*/
if (buffer->uploaded.buffer)
continue;
ret = u_upload_buffer( svga->upload_vb,
0,
buffer->uploaded.start,
buffer->uploaded.end - buffer->uploaded.start,
&buffer->b.b,
&buffer->uploaded.offset,
&buffer->uploaded.buffer);
if (ret)
return ret;
if (0)
debug_printf("%s: %d: orig buf %p upl buf %p ofs %d sofs %d"
" sz %d\n",
__FUNCTION__,
i,
buffer,
buffer->uploaded.buffer,
buffer->uploaded.offset,
buffer->uploaded.start,
buffer->uploaded.end - buffer->uploaded.start);
vb->buffer_offset = buffer->uploaded.offset;
}
}
return PIPE_OK;
}
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 void
svga_release_user_upl_buffers(struct svga_context *svga)
{
unsigned i;
unsigned nr;
nr = svga->curr.num_vertex_buffers;
for (i = 0; i < nr; ++i) {
struct pipe_vertex_buffer *vb = &svga->curr.vb[i];
if (vb->buffer && svga_buffer_is_user_buffer(vb->buffer)) {
struct svga_buffer *buffer = svga_buffer(vb->buffer);
buffer->uploaded.start = ~0;
buffer->uploaded.end = 0;
if (buffer->uploaded.buffer)
pipe_resource_reference(&buffer->uploaded.buffer, NULL);
}
}
}
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);
}
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, 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;
}
enum pipe_error
svga_hwtnl_simple_draw_range_elements( struct svga_hwtnl *hwtnl,
struct pipe_resource *index_buffer,
unsigned index_size,
int index_bias,
unsigned min_index,
unsigned max_index,
unsigned prim,
unsigned start,
unsigned count )
{
struct pipe_resource *upload_buffer = NULL;
SVGA3dPrimitiveRange range;
unsigned hw_prim;
unsigned hw_count;
unsigned index_offset = start * index_size;
enum pipe_error ret = PIPE_OK;
hw_prim = svga_translate_prim(prim, count, &hw_count);
if (hw_count == 0)
goto done;
if (index_buffer &&
svga_buffer_is_user_buffer(index_buffer))
{
assert( index_buffer->width0 >= index_offset + count * index_size );
ret = u_upload_buffer( hwtnl->upload_ib,
0,
index_offset,
count * index_size,
index_buffer,
&index_offset,
&upload_buffer);
if (ret != PIPE_OK)
goto done;
/* Don't need to worry about refcounting index_buffer as this is
* just a stack variable without a counted reference of its own.
* The caller holds the reference.
*/
index_buffer = upload_buffer;
}
range.primType = hw_prim;
range.primitiveCount = hw_count;
range.indexArray.offset = index_offset;
range.indexArray.stride = index_size;
range.indexWidth = index_size;
range.indexBias = index_bias;
ret = svga_hwtnl_prim( hwtnl, &range, min_index, max_index, index_buffer );
if (ret != PIPE_OK)
goto done;
done:
if (upload_buffer)
pipe_resource_reference( &upload_buffer, NULL );
return ret;
}