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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_driver.h
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@@ -194,6 +194,7 @@ public:
virtual uint8_t *buffer_map(BufferID p_buffer) = 0;
virtual void buffer_unmap(BufferID p_buffer) = 0;
virtual uint8_t *buffer_persistent_map_advance(BufferID p_buffer, uint64_t p_frames_drawn) = 0;
virtual uint64_t buffer_get_dynamic_offsets(Span<BufferID> p_buffers) = 0;
virtual void buffer_flush(BufferID p_buffer) {}
// Only for a buffer with BUFFER_USAGE_DEVICE_ADDRESS_BIT.
virtual uint64_t buffer_get_device_address(BufferID p_buffer) = 0;
@@ -301,7 +302,7 @@ public:
/**** VERTEX ARRAY ****/
/**********************/
virtual VertexFormatID vertex_format_create(VectorView<VertexAttribute> p_vertex_attribs) = 0;
virtual VertexFormatID vertex_format_create(Span<VertexAttribute> p_vertex_attribs, const VertexAttributeBindingsMap &p_vertex_bindings) = 0;
virtual void vertex_format_free(VertexFormatID p_vertex_format) = 0;
/******************/
@@ -673,7 +674,7 @@ public:
virtual void command_render_draw_indirect_count(CommandBufferID p_cmd_buffer, BufferID p_indirect_buffer, uint64_t p_offset, BufferID p_count_buffer, uint64_t p_count_buffer_offset, uint32_t p_max_draw_count, uint32_t p_stride) = 0;
// Buffer binding.
virtual void command_render_bind_vertex_buffers(CommandBufferID p_cmd_buffer, uint32_t p_binding_count, const BufferID *p_buffers, const uint64_t *p_offsets) = 0;
virtual void command_render_bind_vertex_buffers(CommandBufferID p_cmd_buffer, uint32_t p_binding_count, const BufferID *p_buffers, const uint64_t *p_offsets, uint64_t p_dynamic_offsets) = 0;
virtual void command_render_bind_index_buffer(CommandBufferID p_cmd_buffer, BufferID p_buffer, IndexBufferFormat p_format, uint64_t p_offset) = 0;
// Dynamic state.