diff options
Diffstat (limited to 'plugins/gpulib/test.c')
-rw-r--r-- | plugins/gpulib/test.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/plugins/gpulib/test.c b/plugins/gpulib/test.c new file mode 100644 index 0000000..e523e20 --- /dev/null +++ b/plugins/gpulib/test.c @@ -0,0 +1,109 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "gpu.h" + +static inline unsigned int pcnt_get(void) +{ + unsigned int val; +#ifdef __ARM_ARCH_7A__ + asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r"(val)); +#else + val = 0; +#endif + return val; +} + +static inline void pcnt_init(void) +{ +#ifdef __ARM_ARCH_7A__ + int v; + asm volatile("mrc p15, 0, %0, c9, c12, 0" : "=r"(v)); + v |= 5; // master enable, ccnt reset + v &= ~8; // ccnt divider 0 + asm volatile("mcr p15, 0, %0, c9, c12, 0" :: "r"(v)); + // enable cycle counter + asm volatile("mcr p15, 0, %0, c9, c12, 1" :: "r"(1<<31)); +#endif +} + +const unsigned char cmd_lengths[256] = +{ + 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 3, 3, 3, 3, 6, 6, 6, 6, 4, 4, 4, 4, 8, 8, 8, 8, // 20 + 5, 5, 5, 5, 8, 8, 8, 8, 7, 7, 7, 7, 11, 11, 11, 11, + 2, 2, 2, 2, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, // 40 + 3, 3, 3, 3, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 2, 2, 2, 2, // 60 + 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, + 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // a0 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // c0 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // e0 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +struct psx_gpu gpu __attribute__((aligned(64))); + +typedef struct +{ + uint16_t vram[1024 * 512]; + uint32_t gpu_register[15]; + uint32_t status; +} gpu_dump_struct; + +static gpu_dump_struct state; + +int main(int argc, char *argv[]) +{ + unsigned int start_cycles; + uint32_t *list; + int size; + FILE *state_file; + FILE *list_file; + FILE *out_file; + + if (argc != 3 && argc != 4) + { + printf("usage:\n%s <state> <list> [vram_out]\n", argv[0]); + return 1; + } + + state_file = fopen(argv[1], "rb"); + fread(&state, 1, sizeof(gpu_dump_struct), state_file); + fclose(state_file); + + list_file = fopen(argv[2], "rb"); + fseek(list_file, 0, SEEK_END); + size = ftell(list_file); + fseek(list_file, 0, SEEK_SET); + + list = (uint32_t *)malloc(size); + fread(list, 1, size, list_file); + fclose(list_file); + + pcnt_init(); + renderer_init(); + memcpy(gpu.vram, state.vram, sizeof(gpu.vram)); + if ((state.gpu_register[8] & 0x24) == 0x24) + renderer_set_interlace(1, !(state.status >> 31)); + + start_cycles = pcnt_get(); + + do_cmd_list(list, size / 4); + renderer_flush_queues(); + + printf("%u\n", pcnt_get() - start_cycles); + + if (argc >= 4) { + out_file = fopen(argv[3], "wb"); + fwrite(gpu.vram, 1, sizeof(gpu.vram), out_file); + fclose(out_file); + } + + return 0; +} |