Files
jak-project/game/graphics/opengl_renderer/BucketRenderer.cpp
T
2021-09-08 22:04:30 -04:00

46 lines
1.6 KiB
C++

#include "BucketRenderer.h"
#include "third-party/fmt/core.h"
std::string BucketRenderer::name_and_id() const {
return fmt::format("[{:2d}] {}", (int)m_my_id, m_name);
}
EmptyBucketRenderer::EmptyBucketRenderer(const std::string& name, BucketId my_id)
: BucketRenderer(name, my_id) {}
void EmptyBucketRenderer::render(DmaFollower& dma, SharedRenderState* render_state) {
// an empty bucket should have 4 things:
// a NEXT in the bucket buffer
// a CALL that calls the default register buffer chain
// a CNT then RET to get out of the default register buffer chain
// a NEXT to get to the next bucket.
// NEXT
auto first_tag = dma.current_tag();
dma.read_and_advance();
assert(first_tag.kind == DmaTag::Kind::NEXT && first_tag.qwc == 0);
// CALL
auto call_tag = dma.current_tag();
dma.read_and_advance();
if (!(call_tag.kind == DmaTag::Kind::CALL && call_tag.qwc == 0)) {
fmt::print("Bucket renderer {} ({}) was supposed to be empty, but wasn't\n", m_my_id, m_name);
}
assert(call_tag.kind == DmaTag::Kind::CALL && call_tag.qwc == 0);
// in the default reg buffer:
assert(dma.current_tag_offset() == render_state->default_regs_buffer);
dma.read_and_advance();
assert(dma.current_tag().kind == DmaTag::Kind::RET);
dma.read_and_advance();
// NEXT to next buffer
auto to_next_buffer = dma.current_tag();
assert(to_next_buffer.kind == DmaTag::Kind::NEXT);
assert(to_next_buffer.qwc == 0);
dma.read_and_advance();
// and we should now be in the next bucket!
assert(dma.current_tag_offset() == render_state->next_bucket);
}