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rsx: Implement dynamic vertex offset updates

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- Vertex offsets can be updated mid-draw to dynamically render different meshes without breaking up draws
This commit is contained in:
kd-11 2021-06-30 02:05:25 +03:00 • committed by kd-11
parent 9b050a33e4
commit 194bfc54d1
4 changed files with 130 additions and 88 deletions
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74
rpcs3/Emu/RSX/rsx_methods.cpp
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@ -779,6 +779,24 @@ namespace rsx
}
}
template<u32 index>
struct set_vertex_array_offset
{
static void impl(thread* rsx, u32 reg, u32 arg)
{
if (rsx->in_begin_end &&
!rsx::method_registers.current_draw_clause.empty() &&
reg != method_registers.register_previous_value)
{
// Revert change to queue later
method_registers.decode(reg, method_registers.register_previous_value);
// Insert offset mofifier barrier
method_registers.current_draw_clause.insert_command_barrier(vertex_array_offset_modifier_barrier, arg, index);
}
}
};
void check_index_array_dma(thread* rsx, u32 reg, u32 arg)
{
// Check if either location or index type are invalid
@ -2637,6 +2655,56 @@ namespace rsx
return registers[reg] == value;
}
void draw_clause::insert_command_barrier(command_barrier_type type, u32 arg, u32 index)
{
ensure(!draw_command_ranges.empty());
auto _do_barrier_insert = [this](barrier_t&& val)
{
if (draw_command_barriers.empty() || draw_command_barriers.back() < val)
{
draw_command_barriers.push_back(val);
return;
}
for (auto it = draw_command_barriers.begin(); it != draw_command_barriers.end(); it++)
{
if (*it < val)
{
continue;
}
draw_command_barriers.insert(it, val);
break;
}
};
if (type == primitive_restart_barrier)
{
// Rasterization flow barrier
const auto& last = draw_command_ranges[current_range_index];
const auto address = last.first + last.count;
_do_barrier_insert({ current_range_index, 0, address, index, arg, 0, type });
}
else
{
// Execution dependency barrier. Requires breaking the current draw call sequence and start another.
if (draw_command_ranges.back().count > 0)
{
append_draw_command({});
}
else
{
// In case of back-to-back modifiers, do not add duplicates
current_range_index = draw_command_ranges.size() - 1;
}
_do_barrier_insert({ current_range_index, get_system_time(), ~0u, index, arg, 0, type });
last_execution_barrier_index = current_range_index;
}
}
void draw_clause::reset(primitive_type type)
{
current_range_index = ~0u;
@ -2676,6 +2744,11 @@ namespace rsx
method_registers.decode(NV4097_SET_VERTEX_DATA_BASE_OFFSET, barrier.arg);
result |= vertex_base_changed;
break;
case vertex_array_offset_modifier_barrier:
// Change vertex array offset
method_registers.decode(NV4097_SET_VERTEX_DATA_ARRAY_OFFSET + barrier.index, barrier.arg);
result |= vertex_arrays_changed;
break;
default:
fmt::throw_exception("Unreachable");
}
@ -3187,6 +3260,7 @@ namespace rsx
bind<NV4097_SET_VERTEX_ATTRIB_OUTPUT_MASK, nv4097::set_vertex_attribute_output_mask>();
bind<NV4097_SET_VERTEX_DATA_BASE_OFFSET, nv4097::set_vertex_base_offset>();
bind<NV4097_SET_VERTEX_DATA_BASE_INDEX, nv4097::set_index_base_offset>();
bind_range<NV4097_SET_VERTEX_DATA_ARRAY_OFFSET, 1, 16, nv4097::set_vertex_array_offset>();
bind<NV4097_SET_USER_CLIP_PLANE_CONTROL, nv4097::notify_state_changed<vertex_state_dirty>>();
bind<NV4097_SET_TRANSFORM_BRANCH_BITS, nv4097::notify_state_changed<vertex_state_dirty>>();
bind<NV4097_SET_CLIP_MIN, nv4097::notify_state_changed<invalidate_zclip_bits>>();