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https://github.com/open-goal/jak-project
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water
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
#include "BucketRenderer.h"
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#include "third-party/fmt/core.h"
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std::string BucketRenderer::name_and_id() const {
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return fmt::format("[{:2d}] {}", (int)m_my_id, m_name);
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}
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EmptyBucketRenderer::EmptyBucketRenderer(const std::string& name, BucketId my_id)
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: BucketRenderer(name, my_id) {}
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void EmptyBucketRenderer::render(DmaFollower& dma, SharedRenderState* render_state) {
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// an empty bucket should have 4 things:
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// a NEXT in the bucket buffer
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// a CALL that calls the default register buffer chain
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// a CNT then RET to get out of the default register buffer chain
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// a NEXT to get to the next bucket.
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// NEXT
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auto first_tag = dma.current_tag();
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dma.read_and_advance();
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assert(first_tag.kind == DmaTag::Kind::NEXT && first_tag.qwc == 0);
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// CALL
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auto call_tag = dma.current_tag();
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dma.read_and_advance();
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assert(call_tag.kind == DmaTag::Kind::CALL && call_tag.qwc == 0);
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// in the default reg buffer:
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assert(dma.current_tag_offset() == render_state->default_regs_buffer);
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dma.read_and_advance();
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assert(dma.current_tag().kind == DmaTag::Kind::RET);
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dma.read_and_advance();
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// NEXT to next buffer
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auto to_next_buffer = dma.current_tag();
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assert(to_next_buffer.kind == DmaTag::Kind::NEXT);
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assert(to_next_buffer.qwc == 0);
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dma.read_and_advance();
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// and we should now be in the next bucket!
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assert(dma.current_tag_offset() == render_state->next_bucket);
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} |