mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Matthew Stanley
61 lines
3.4 KiB
C
61 lines
3.4 KiB
C
#include "mod_plugins.h"
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#include "mod_memory.h"
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#include "mod_texture_banks.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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static uint32_t memory[256], used, reads, resolves;
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uint32_t psx_mod_gpu_dma_memory_alloc(uint32_t n,uint32_t a) {
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(void)a; if(n>sizeof memory-used)return 0;
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uint32_t address=PSX_MOD_GPU_DMA_GUEST_BASE+used;used+=n;return address;
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}
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uint32_t psx_mod_read_word(uint32_t address) {
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uint32_t offset=(address&0x1fffffffu)-PSX_MOD_GPU_DMA_APERTURE_BASE;
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if(offset>sizeof memory-4)abort(); ++reads;return memory[offset/4];
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}
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static void check(int ok,const char* text){if(!ok){fprintf(stderr,"FAIL %s\n",text);exit(1);}}
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static int resolve(uint16_t id){uint16_t data=0x4567;++resolves;return psx_mod_define_texture_bank(id,1,1,&data);}
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static uint32_t bits(float f){uint32_t n;memcpy(&n,&f,4);return n;}
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int main(void){
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check(!mod_texture_bank_batchable(1,0,0),"bank batching defaults off");
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psx_mod_set_texture_bank_batching(1);
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for(int mode=-1;mode<=4;++mode) for(int bank=0;bank<=1;++bank) for(int mask=0;mask<=1;++mask)
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check(mod_texture_bank_batchable(bank,mask,mode)==
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(bank && !mask && (mode==0 || mode==1 || mode==3)),"single-pass opt-in scope");
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psx_mod_set_texture_bank_batching(0);
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check(!mod_texture_bank_batchable(1,0,0),"bank batching disable");
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uint16_t data[4]={1,2,3,4};uint32_t w,h;
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check(!psx_mod_define_texture_bank(0,2,2,data),"bank zero reserved");
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check(!psx_mod_define_texture_bank(1,1025,2,data),"dimensions bounded");
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check(psx_mod_define_texture_bank(1,2,2,data),"define");
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check(psx_mod_define_texture_bank(1,2,2,data),"identical definition idempotent");
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data[0]=99;
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check(!psx_mod_define_texture_bank(1,2,2,data),"immutable id cannot change");
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check(mod_texture_bank_pixels(1,&w,&h)[0]==1 && w==2 && h==2,"owned deep copy");
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check(!mod_texture_bank_pixels(2,&w,&h),"missing bank explicit");
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psx_mod_set_texture_bank_resolver(resolve);
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check(mod_texture_bank_pixels(2,&w,&h)[0]==0x4567 && resolves==1,"lazy restored-bank resolver");
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check(mod_texture_bank_pixels(2,&w,&h)!=NULL && resolves==1,"resident bank no reload");
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const uint32_t arena=psx_mod_alloc_texture_packet_memory(80,16);
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uint32_t words[9]={0x34000000,0,0,0x23000000,0,0,0x01000000,0,0};
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check(!mod_texture_packet_bank(0x80001004,words,9),"stock packet cannot opt in");
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check(mod_texture_packet_bank(arena+4,words,9)==0x123,"bank id only in trusted arena");
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check(!mod_texture_packet_bank(arena+48,words,9),"whole command must fit");
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check(!mod_texture_packet_bank(arena+4,words,8),"command size checked");
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words[0]=0x30000000;
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check(!mod_texture_packet_bank(arena+4,words,9),"GT3 opcode checked");
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float q[3],xy[6];
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check(!mod_texture_packet_precision(0x80001004,q,xy) && reads==0,"stock precision does not read suffix");
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memory[10]=0x48545031;
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for(unsigned i=0;i<3;++i)memory[11+i]=bits(.01f);
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for(unsigned i=0;i<6;++i)memory[14+i]=bits(15.25f+i);
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check(mod_texture_packet_precision(arena+4,q,xy) && q[1]==.01f && xy[5]==20.25f,"fractional projection and reciprocal depth");
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check(!mod_texture_packet_precision(arena+8,q,xy),"suffix bounds");
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memory[11]=bits(NAN);
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check(!mod_texture_packet_precision(arena+4,q,xy),"NaN rejected");
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memory[11]=bits(0);
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check(!mod_texture_packet_precision(arena+4,q,xy),"zero reciprocal depth rejected");
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puts("texture bank checks passed");return 0;
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}
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