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panfrost: Upload UBOs 

Now that all the counting is sorted, it's a matter of passing along a
GPU address and going.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-06-20 16:32:06 -07:00
parent 4c6d751274
commit 856e03902b
1 changed files with 31 additions and 0 deletions
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31
src/gallium/drivers/panfrost/pan_context.c
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@ -1001,6 +1001,23 @@ panfrost_map_constant_buffer_cpu(struct panfrost_constant_buffer *buf, unsigned
unreachable("No constant buffer");
}
static mali_ptr
panfrost_map_constant_buffer_gpu(
struct panfrost_context *ctx,
struct panfrost_constant_buffer *buf,
unsigned index)
{
struct pipe_constant_buffer *cb = &buf->cb[index];
struct panfrost_resource *rsrc = pan_resource(cb->buffer);
if (rsrc)
return rsrc->bo->gpu;
else if (cb->user_buffer)
return panfrost_upload_transient(ctx, cb->user_buffer, cb->buffer_size);
else
unreachable("No constant buffer");
}
/* Compute number of UBOs active (more specifically, compute the highest UBO
* number addressable -- if there are gaps, include them in the count anyway).
* We always include UBO #0 in the count, since we *need* uniforms enabled for
@ -1291,6 +1308,20 @@ panfrost_emit_for_draw(struct panfrost_context *ctx, bool with_vertex_data)
ubos[0].size = MALI_POSITIVE((2 + uniform_count));
ubos[0].ptr = transfer.gpu >> 2;
/* The rest are honest-to-goodness UBOs */
for (unsigned ubo = 1; ubo < ubo_count; ++ubo) {
mali_ptr gpu = panfrost_map_constant_buffer_gpu(ctx, buf, ubo);
size_t sz = buf->cb[ubo].buffer_size;
unsigned bytes_per_field = 16;
unsigned aligned = ALIGN(sz, bytes_per_field);
unsigned fields = aligned / bytes_per_field;
ubos[ubo].size = MALI_POSITIVE(fields);
ubos[ubo].ptr = gpu >> 2;
}
mali_ptr ubufs = panfrost_upload_transient(ctx, ubos, sz);
postfix->uniforms = transfer.gpu;
postfix->uniform_buffers = ubufs;