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2D: Switch to VBOs for instance data

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- Add support for vertex bindings and UMA vertex buffers in D3D12.
- Simplify 2D instance params and move more into per-batch data to save
  bandwidth

Co-authored-by: Skyth <19259897+blueskythlikesclouds@users.noreply.github.com>
Co-authored-by: Clay John <claynjohn@gmail.com>
Co-authored-by: A Thousand Ships <96648715+athousandships@users.noreply.github.com>
This commit is contained in:
Stuart Carnie
2025-11-07 05:50:02 +11:00
parent bad1287b62
commit 90c0e6acca
25 changed files with 893 additions and 256 deletions
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5
servers/rendering/rendering_device_graph.cpp
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@@ -870,7 +870,7 @@ void RenderingDeviceGraph::_run_draw_list_command(RDD::CommandBufferID p_command
} break;
case DrawListInstruction::TYPE_BIND_VERTEX_BUFFERS: {
const DrawListBindVertexBuffersInstruction *bind_vertex_buffers_instruction = reinterpret_cast<const DrawListBindVertexBuffersInstruction *>(instruction);
driver->command_render_bind_vertex_buffers(p_command_buffer, bind_vertex_buffers_instruction->vertex_buffers_count, bind_vertex_buffers_instruction->vertex_buffers(), bind_vertex_buffers_instruction->vertex_buffer_offsets());
driver->command_render_bind_vertex_buffers(p_command_buffer, bind_vertex_buffers_instruction->vertex_buffers_count, bind_vertex_buffers_instruction->vertex_buffers(), bind_vertex_buffers_instruction->vertex_buffer_offsets(), bind_vertex_buffers_instruction->dynamic_offsets_mask);
instruction_data_cursor += sizeof(DrawListBindVertexBuffersInstruction);
instruction_data_cursor += sizeof(RDD::BufferID) * bind_vertex_buffers_instruction->vertex_buffers_count;
instruction_data_cursor += sizeof(uint64_t) * bind_vertex_buffers_instruction->vertex_buffers_count;
@@ -1872,13 +1872,14 @@ void RenderingDeviceGraph::add_draw_list_bind_uniform_sets(RDD::ShaderID p_shade
}
}
void RenderingDeviceGraph::add_draw_list_bind_vertex_buffers(VectorView<RDD::BufferID> p_vertex_buffers, VectorView<uint64_t> p_vertex_buffer_offsets) {
void RenderingDeviceGraph::add_draw_list_bind_vertex_buffers(Span<RDD::BufferID> p_vertex_buffers, Span<uint64_t> p_vertex_buffer_offsets) {
DEV_ASSERT(p_vertex_buffers.size() == p_vertex_buffer_offsets.size());
uint32_t instruction_size = sizeof(DrawListBindVertexBuffersInstruction) + sizeof(RDD::BufferID) * p_vertex_buffers.size() + sizeof(uint64_t) * p_vertex_buffer_offsets.size();
DrawListBindVertexBuffersInstruction *instruction = reinterpret_cast<DrawListBindVertexBuffersInstruction *>(_allocate_draw_list_instruction(instruction_size));
instruction->type = DrawListInstruction::TYPE_BIND_VERTEX_BUFFERS;
instruction->vertex_buffers_count = p_vertex_buffers.size();
instruction->dynamic_offsets_mask = driver->buffer_get_dynamic_offsets(p_vertex_buffers);
RDD::BufferID *vertex_buffers = instruction->vertex_buffers();
uint64_t *vertex_buffer_offsets = instruction->vertex_buffer_offsets();