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svga: Avoid synchronizing when doing piecewise upload of textures.

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This commit is contained in:
José Fonseca 2011-03-21 17:28:21 +00:00
parent 29288249e3
commit b881ea87f1
1 changed files with 8 additions and 7 deletions
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15
src/gallium/drivers/svga/svga_resource_texture.c
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@ -231,18 +231,19 @@ svga_transfer_dma(struct svga_context *svga,
sw = (uint8_t *)st->swbuf + offset;
if(transfer == SVGA3D_WRITE_HOST_VRAM) {
if (transfer == SVGA3D_WRITE_HOST_VRAM) {
unsigned usage = PIPE_TRANSFER_WRITE;
/* Wait for the previous DMAs to complete */
/* TODO: keep one DMA (at half the size) in the background */
if(y) {
svga_context_flush(svga, &fence);
sws->fence_finish(sws, fence, 0);
sws->fence_reference(sws, &fence, NULL);
if (y) {
svga_context_flush(svga, NULL);
usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
}
hw = sws->buffer_map(sws, st->hwbuf, PIPE_TRANSFER_WRITE);
hw = sws->buffer_map(sws, st->hwbuf, usage);
assert(hw);
if(hw) {
if (hw) {
memcpy(hw, sw, length);
sws->buffer_unmap(sws, st->hwbuf);
}