vk_rasterizer: Implement first index

This commit is contained in:
ReinUsesLisp 2021-06-11 21:53:38 -03:00 committed by ameerj
parent d554778311
commit 3025b2f605

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@ -54,6 +54,7 @@ struct DrawParams {
u32 num_instances; u32 num_instances;
u32 base_vertex; u32 base_vertex;
u32 num_vertices; u32 num_vertices;
u32 first_index;
bool is_indexed; bool is_indexed;
}; };
@ -103,6 +104,7 @@ DrawParams MakeDrawParams(const Maxwell& regs, u32 num_instances, bool is_instan
.num_instances = is_instanced ? num_instances : 1, .num_instances = is_instanced ? num_instances : 1,
.base_vertex = is_indexed ? regs.vb_element_base : regs.vertex_buffer.first, .base_vertex = is_indexed ? regs.vb_element_base : regs.vertex_buffer.first,
.num_vertices = is_indexed ? regs.index_array.count : regs.vertex_buffer.count, .num_vertices = is_indexed ? regs.index_array.count : regs.vertex_buffer.count,
.first_index = is_indexed ? regs.index_array.first : 0,
.is_indexed = is_indexed, .is_indexed = is_indexed,
}; };
if (regs.draw.topology == Maxwell::PrimitiveTopology::Quads) { if (regs.draw.topology == Maxwell::PrimitiveTopology::Quads) {
@ -173,8 +175,9 @@ void RasterizerVulkan::Draw(bool is_indexed, bool is_instanced) {
const DrawParams draw_params{MakeDrawParams(regs, num_instances, is_instanced, is_indexed)}; const DrawParams draw_params{MakeDrawParams(regs, num_instances, is_instanced, is_indexed)};
scheduler.Record([draw_params](vk::CommandBuffer cmdbuf) { scheduler.Record([draw_params](vk::CommandBuffer cmdbuf) {
if (draw_params.is_indexed) { if (draw_params.is_indexed) {
cmdbuf.DrawIndexed(draw_params.num_vertices, draw_params.num_instances, 0, cmdbuf.DrawIndexed(draw_params.num_vertices, draw_params.num_instances,
draw_params.base_vertex, draw_params.base_instance); draw_params.first_index, draw_params.base_vertex,
draw_params.base_instance);
} else { } else {
cmdbuf.Draw(draw_params.num_vertices, draw_params.num_instances, cmdbuf.Draw(draw_params.num_vertices, draw_params.num_instances,
draw_params.base_vertex, draw_params.base_instance); draw_params.base_vertex, draw_params.base_instance);