/**
* Optimal hardware path for blitting pixels.
* Scaling, format conversion, up- and downsampling (resolve) are allowed.
*/
static void
fd_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
{
struct fd_context *ctx = fd_context(pctx);
struct pipe_blit_info info = *blit_info;
if (info.src.resource->nr_samples > 1 &&
info.dst.resource->nr_samples <= 1 &&
!util_format_is_depth_or_stencil(info.src.resource->format) &&
!util_format_is_pure_integer(info.src.resource->format)) {
DBG("color resolve unimplemented");
return;
}
if (util_try_blit_via_copy_region(pctx, &info)) {
return; /* done */
}
if (info.mask & PIPE_MASK_S) {
DBG("cannot blit stencil, skipping");
info.mask &= ~PIPE_MASK_S;
}
if (!util_blitter_is_blit_supported(ctx->blitter, &info)) {
DBG("blit unsupported %s -> %s",
util_format_short_name(info.src.resource->format),
util_format_short_name(info.dst.resource->format));
return;
}
fd_blitter_pipe_begin(ctx);
util_blitter_blit(ctx->blitter, &info);
fd_blitter_pipe_end(ctx);
}
/**
* _copy_region using pipe (3d engine)
*/
static bool
fd_blitter_pipe_copy_region(struct fd_context *ctx,
struct pipe_resource *dst,
unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
unsigned src_level,
const struct pipe_box *src_box)
{
/* not until we allow rendertargets to be buffers */
if (dst->target == PIPE_BUFFER || src->target == PIPE_BUFFER)
return false;
if (!util_blitter_is_copy_supported(ctx->blitter, dst, src))
return false;
/* TODO we could discard if dst box covers dst level fully.. */
fd_blitter_pipe_begin(ctx, false, false, FD_STAGE_BLIT);
util_blitter_copy_texture(ctx->blitter,
dst, dst_level, dstx, dsty, dstz,
src, src_level, src_box);
fd_blitter_pipe_end(ctx);
return true;
}
