mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Alexandros Mandravillis
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
#ifndef PSXRECOMP_DMA_GPU_LL_H
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#define PSXRECOMP_DMA_GPU_LL_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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DMA_GPU_LL_PHASE_IDLE = 0,
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DMA_GPU_LL_PHASE_HEADER = 1,
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DMA_GPU_LL_PHASE_SETUP = 2,
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DMA_GPU_LL_PHASE_PAYLOAD = 3
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};
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typedef struct {
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uint8_t active;
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uint8_t phase;
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uint8_t emit_node;
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uint8_t hit_limit;
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uint32_t start_addr;
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uint32_t current_addr;
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uint32_t next_addr;
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uint32_t word_count;
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uint32_t payload_index;
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uint32_t cycles_remaining;
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uint32_t nodes_processed;
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uint32_t max_nodes;
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uint32_t total_words;
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uint32_t empty_rank;
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} DMAGPULinkedList;
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typedef struct {
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uint32_t (*resolve_address)(void *opaque, uint32_t address);
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uint32_t (*read_word)(void *opaque, uint32_t address);
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void (*observe_header)(void *opaque, uint32_t address, uint32_t header);
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int (*begin_node)(void *opaque, uint32_t address, uint32_t word_count);
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void (*emit_word)(void *opaque, uint32_t address, uint32_t word);
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void (*complete)(void *opaque, int hit_limit);
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} DMAGPULinkedListOps;
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void dma_gpu_ll_start(DMAGPULinkedList *state, uint32_t start_addr,
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uint32_t max_nodes);
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void dma_gpu_ll_cancel(DMAGPULinkedList *state);
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uint32_t dma_gpu_ll_cycles_to_event(const DMAGPULinkedList *state);
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void dma_gpu_ll_advance(DMAGPULinkedList *state, uint32_t cycles,
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const DMAGPULinkedListOps *ops, void *opaque);
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#ifdef __cplusplus
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}
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#endif
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#endif
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