/** Bitfield of which sampler views are bound (non-null). */
uint32_t bound_sampler_views;
+
+ /** Bitfield of which shader storage buffers are bound (non-null). */
+ uint32_t bound_ssbos;
+
+ /** Bitfield of which shader storage buffers are writable. */
+ uint32_t writable_ssbos;
};
/**
gl_shader_stage stage = stage_from_pipe(p_stage);
struct iris_shader_state *shs = &ice->state.shaders[stage];
+ unsigned modified_bits = u_bit_consecutive(start_slot, count);
+
+ shs->bound_ssbos &= ~modified_bits;
+ shs->writable_ssbos &= ~modified_bits;
+ shs->writable_ssbos |= writable_bitmask << start_slot;
+
for (unsigned i = 0; i < count; i++) {
if (buffers && buffers[i].buffer) {
const struct pipe_shader_buffer *buffer = &buffers[i];
struct iris_resource *res = (void *) buffer->buffer;
pipe_resource_reference(&shs->ssbo[start_slot + i], &res->base);
+ shs->bound_ssbos |= 1 << (start_slot + i);
+
res->bind_history |= PIPE_BIND_SHADER_BUFFER;
// XXX: these are not retained forever, use a separate uploader?
struct iris_state_ref *surf_state = &shs->ssbo_surface_state[i];
- iris_use_pinned_bo(batch, iris_resource_bo(shs->ssbo[i]), true);
+ iris_use_pinned_bo(batch, iris_resource_bo(shs->ssbo[i]),
+ shs->writable_ssbos & (1 << i));
iris_use_pinned_bo(batch, iris_resource_bo(surf_state->res), false);
return surf_state->offset;