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panfrost: implement image_size sysval

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Since there's no hardware support for it, we use a sysval to implement
nir_intrinsic_image_size.

Signed-off-by: Italo Nicola <italonicola@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8066>
This commit is contained in:
Italo Nicola 2020-12-16 20:13:36 +00:00 • committed by Marge Bot
parent dc85f65e05
commit 0efe7a6eb9
2 changed files with 41 additions and 0 deletions
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40
src/gallium/drivers/panfrost/pan_cmdstream.c
View file

@ -789,6 +789,41 @@ static void panfrost_upload_txs_sysval(struct panfrost_batch *batch,
uniform->i[dim] = tex->texture->array_size;
}
static void panfrost_upload_image_size_sysval(struct panfrost_batch *batch,
enum pipe_shader_type st,
unsigned int sysvalid,
struct sysval_uniform *uniform)
{
struct panfrost_context *ctx = batch->ctx;
unsigned idx = PAN_SYSVAL_ID_TO_TXS_TEX_IDX(sysvalid);
unsigned dim = PAN_SYSVAL_ID_TO_TXS_DIM(sysvalid);
unsigned is_array = PAN_SYSVAL_ID_TO_TXS_IS_ARRAY(sysvalid);
assert(dim && dim < 4);
struct pipe_image_view *image = &ctx->images[st][idx];
if (image->resource->target == PIPE_BUFFER) {
unsigned blocksize = util_format_get_blocksize(image->format);
uniform->i[0] = image->resource->width0 / blocksize;
return;
}
uniform->i[0] = u_minify(image->resource->width0,
image->u.tex.level);
if (dim > 1)
uniform->i[1] = u_minify(image->resource->height0,
image->u.tex.level);
if (dim > 2)
uniform->i[2] = u_minify(image->resource->depth0,
image->u.tex.level);
if (is_array)
uniform->i[dim] = image->resource->array_size;
}
static void
panfrost_upload_ssbo_sysval(struct panfrost_batch *batch,
enum pipe_shader_type st,
@ -911,6 +946,11 @@ panfrost_upload_sysvals(struct panfrost_batch *batch, void *buf,
PAN_SYSVAL_ID(sysval),
&uniforms[i]);
break;
case PAN_SYSVAL_IMAGE_SIZE:
panfrost_upload_image_size_sysval(batch, st,
PAN_SYSVAL_ID(sysval),
&uniforms[i]);
break;
default:
assert(0);
}

1
src/panfrost/util/pan_ir.h
View file

@ -52,6 +52,7 @@ enum {
PAN_SYSVAL_SAMPLER = 7,
PAN_SYSVAL_LOCAL_GROUP_SIZE = 8,
PAN_SYSVAL_WORK_DIM = 9,
PAN_SYSVAL_IMAGE_SIZE = 10,
};
#define PAN_TXS_SYSVAL_ID(texidx, dim, is_array) \