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Setup LZ4 decompressor but have it copy data for now

This commit is contained in:
jaby 2022-12-27 22:06:14 +01:00
parent 3645d4fc25
commit fa993cc63e
3 changed files with 33 additions and 2 deletions
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3
include/PSX/Auxiliary/lz4_decompressor.hpp
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@ -21,6 +21,9 @@ namespace JabyEngine {
public:
LZ4Decompressor() = default;
LZ4Decompressor(uint8_t* dst_adr) : LZ4Decompressor() {
LZ4Decompressor::setup(dst_adr);
}
void setup(uint8_t* dst_adr);
void reset();

3
src/Library/src/Auxiliary/lz4_decompressor.cpp
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@ -11,6 +11,9 @@ namespace JabyEngine {
}
Progress LZ4Decompressor :: process(const uint8_t* data, size_t size) {
for(size_t n = 0; n < size; n++) {
this->dst_adr[n] = data[n];
}
return Progress::Error;
}
}

29
src/Library/src/BootLoader/gpu_boot.cpp
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@ -1,6 +1,8 @@
#include "../../include/GPU/gpu.hpp"
#include <PSX/File/Processor/file_processor.hpp>
#include <PSX/Auxiliary/lz4_decompressor.hpp>
#include <PSX/GPU/gpu.hpp>
#include <stdio.h>
#ifdef JABYENGINE_PAL
#include "splash_image_pal_boot.hpp"
@ -8,11 +10,34 @@
#include "splash_image_ntsc_boot.hpp"
#endif //JABYENGINE_PAL
extern "C" uint32_t __boot_loader_end;
namespace JabyEngine {
namespace GPU {
namespace GPU {
static void decompress_logo() {
LZ4Decompressor lz4_decomp(reinterpret_cast<uint8_t*>(&__boot_loader_end));
switch(lz4_decomp.process(SplashScreen, sizeof(SplashScreen))) {
case Progress::InProgress:
printf("Decompressing still in progress...\n");
break;
case Progress::Error:
printf("Error decompressing!!!\n");
break;
case Progress::Done:
printf("Done decompressing\n");
break;
}
}
void display_logo() {
decompress_logo();
// Upload SplashScreen picture
auto state = FileProcessor::create(reinterpret_cast<const uint32_t*>(SplashScreen), SimpleTIM(32, 0, 0, 0));
auto state = FileProcessor::create(&__boot_loader_end, SimpleTIM(32, 0, 0, 0));
// v this will not be correct for now...
while(state.process((sizeof(SplashScreen)/sizeof(uint32_t))) == Progress::InProgress);
Display::enable();