Draw first triangle

This commit is contained in:
Jaby
2023-05-07 00:07:20 +02:00
committed by Jaby
parent 4ccc11aebf
commit 22059f957f
12 changed files with 190 additions and 32 deletions

View File

@@ -21,17 +21,27 @@ namespace JabyEngine {
static constexpr uint16_t ScanlinesV = 240;
#endif //JABYENGINE_PAL
static void exchange_buffer_and_display();
static uint32_t exchange_buffer_and_display();
};
void wait_vsync(uint8_t syncs);
static void wait_ready_for_CMD() {
while(!GPU_IO::GPUSTAT.is_set(GPU_IO::GPUSTAT_t::GP0ReadyForCMD));
}
static void set_draw_area(uint16_t x, uint16_t y) {
GPU_IO::GP0 = GPU_IO::Command::DrawAreaTopLeft(x, y);
GPU_IO::GP0 = GPU_IO::Command::DrawAreaBottomRight((x + Display::Width), (y + Display::Height));
const auto top_left = GPU_IO::Command::DrawAreaTopLeft(x, y);
const auto bottom_right = GPU_IO::Command::DrawAreaBottomRight((x + Display::Width - 1), (y + Display::Height - 1));
wait_ready_for_CMD();
GPU_IO::GP0 = top_left;
wait_ready_for_CMD();
GPU_IO::GP0 = bottom_right;
}
static void copy_vram_to_vram(const AreaU16& dst, const PositionU16& src) {
wait_ready_for_CMD();
GPU_IO::GP0 = GPU_IO::Command::VRAM2VRAM_Blitting();
GPU_IO::GP0 = GPU_IO::Command::TopLeftPosition(src.x, src.y);
GPU_IO::GP0 = GPU_IO::Command::TopLeftPosition(dst.position.x, dst.position.y);
@@ -39,17 +49,19 @@ namespace JabyEngine {
}
static void quick_fill_fast(const Color24& color, const AreaU16& area) {
wait_ready_for_CMD();
GPU_IO::GP0 = GPU_IO::Command::QuickFill(color);
GPU_IO::GP0 = GPU_IO::Command::TopLeftPosition(area.position.x, area.position.y);
GPU_IO::GP0 = GPU_IO::Command::WidthHeight(area.size.width, area.size.height);
}
static void reset_cmd_buffer() {
GPU_IO::GP1 = GPU_IO::Command::ResetCMDBufer();
static void set_draw_offset(int16_t x, int16_t y) {
wait_ready_for_CMD();
GPU_IO::GP0 = GPU_IO::Command::SetDrawOffset(x, y);
}
static void wait_ready_for_CMD() {
while(!GPU_IO::GPUSTAT.is_set(GPU_IO::GPUSTAT_t::GP0ReadyForCMD));
static void reset_cmd_buffer() {
GPU_IO::GP1 = GPU_IO::Command::ResetCMDBufer();
}
namespace DMA {