diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_descriptors.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_descriptors.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c index b1a8594c87e..21dad3cd2b9 100644 --- a/src/gallium/drivers/radeonsi/si_descriptors.c +++ b/src/gallium/drivers/radeonsi/si_descriptors.c @@ -837,6 +837,27 @@ static void si_buffer_resources_begin_new_cs(struct si_context *sctx, } } +static void si_get_buffer_from_descriptors(struct si_buffer_resources *buffers, + struct si_descriptors *descs, + unsigned idx, struct pipe_resource **buf, + unsigned *offset, unsigned *size) +{ + pipe_resource_reference(buf, buffers->buffers[idx]); + if (*buf) { + struct r600_resource *res = r600_resource(*buf); + const uint32_t *desc = descs->list + idx * 4; + uint64_t va; + + *size = desc[2]; + + assert(G_008F04_STRIDE(desc[1]) == 0); + va = ((uint64_t)desc[1] << 32) | desc[0]; + + assert(va >= res->gpu_address && va + *size <= res->gpu_address + res->bo_size); + *offset = va - res->gpu_address; + } +} + /* VERTEX BUFFERS */ static void si_vertex_buffers_begin_new_cs(struct si_context *sctx) @@ -1062,6 +1083,16 @@ static void si_pipe_set_constant_buffer(struct pipe_context *ctx, slot, input); } +void si_get_pipe_constant_buffer(struct si_context *sctx, uint shader, + uint slot, struct pipe_constant_buffer *cbuf) +{ + cbuf->user_buffer = NULL; + si_get_buffer_from_descriptors( + &sctx->const_buffers[shader], + si_const_buffer_descriptors(sctx, shader), + slot, &cbuf->buffer, &cbuf->buffer_offset, &cbuf->buffer_size); +} + /* SHADER BUFFERS */ static unsigned @@ -1132,6 +1163,21 @@ static void si_set_shader_buffers(struct pipe_context *ctx, } } +void si_get_shader_buffers(struct si_context *sctx, uint shader, + uint start_slot, uint count, + struct pipe_shader_buffer *sbuf) +{ + struct si_buffer_resources *buffers = &sctx->shader_buffers[shader]; + struct si_descriptors *descs = si_shader_buffer_descriptors(sctx, shader); + + for (unsigned i = 0; i < count; ++i) { + si_get_buffer_from_descriptors( + buffers, descs, start_slot + i, + &sbuf[i].buffer, &sbuf[i].buffer_offset, + &sbuf[i].buffer_size); + } +} + /* RING BUFFERS */ void si_set_ring_buffer(struct pipe_context *ctx, uint slot, |