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Test load ABCD

This commit is contained in:
Jaby Blubb 2023-12-16 23:10:24 +01:00
parent 05fd4b44e5
commit 6d97cc4e74
1 changed files with 36 additions and 6 deletions
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42
src/Library/src/BootLoader/gpu_boot.cpp
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@ -39,6 +39,36 @@ namespace JabyEngine {
using namespace JabyEngine::GPU;
namespace SJIS {
struct FontBuffer {
static constexpr auto FontSize = SizeU16::create(16, 16);
static constexpr auto AmountOfChars = 4;
struct Line {
Color pixel[FontSize.width];
void load(uint16_t bit_pattern) {
size_t px_idx = 0;
for(uint16_t shift = 1 << 15; shift; shift = shift >> 1) {
this->pixel[px_idx++] = bit_pattern & shift ? Color::from_rgb(0xFF, 0xFF, 0xFF) : Color::from_rgb(0x0, 0x0, 0x0);
}
}
};
struct Row {
Line character[AmountOfChars];
};
Row rows[FontSize.height];
void load_char(int32_t chr_idx, const uint16_t* bit_map) {
for(auto& cur_row : this->rows) {
auto& cur_line = cur_row.character[chr_idx];
cur_line.load(__builtin_bswap16(*bit_map++));
}
}
};
struct SpecialChar {
uint8_t base_offset;
uint8_t tile_id;
@ -70,17 +100,17 @@ namespace JabyEngine {
static const auto LowerCaseLetter = RangeChar{{0x81, 64}, 26};
void load() {
alignas(uint32_t) Color test[16*16];
FontBuffer buffer;
for(auto& color : test) {
color = Color::from_rgb(0, 0xFF, 0xFF);
for(size_t n = 0; n < 4; n++) {
buffer.load_char(n, SysCall::Krom2RawAdd(0x8200 | (UpperCaseLetter.start_char.base_offset + n)));
}
GPU::internal::DMA::Receive::prepare();
GPU::internal::DMA::Receive::set_dst(PositionU16::create(0, 0), SizeU16::create(16, 16));
GPU::internal::DMA::Receive::set_src(reinterpret_cast<const uintptr_t>(test));
GPU::internal::DMA::Receive::set_dst(PositionU16::create(0, 0), SizeU16::create(16*4, 16));
GPU::internal::DMA::Receive::set_src(reinterpret_cast<const uintptr_t>(&buffer.rows));
printf("Sending...\n");
GPU::internal::DMA::Receive::start(sizeof(test)/4/16);
GPU::internal::DMA::Receive::start(sizeof(buffer)/4/16);
GPU::internal::DMA::wait();
GPU::internal::DMA::end();
printf("Done!\n");