75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
#pragma once
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#include "../Auxiliary/type_traits.hpp"
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#include "../System/IOPorts/gpu_io.hpp"
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#include "gpu_primitives.hpp"
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#if !defined(JABYENGINE_NTSC) && !defined(JABYENGINE_PAL)
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#error "JABYENGINE_NTSC or JABYENGINE_PAL must be defined"
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#else
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#if defined(JABYENGINE_NTSC) && defined(JABYENGINE_PAL)
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#error "Please define only JABYENGINE_NTSC or JABYENGINE_PAL"
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#endif
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#endif
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namespace JabyEngine {
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namespace GPU {
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struct Display {
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#ifdef JABYENGINE_PAL
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static constexpr size_t Width = 320;
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static constexpr size_t Height = 256;
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static constexpr uint32_t frames_per_sec = 50;
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#else
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static constexpr size_t Width = 320;
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static constexpr size_t Height = 240;
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static constexpr uint32_t frames_per_sec = 60;
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#endif
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static uint8_t current_id;
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template<typename T>
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static constexpr Area<T> center(const Area<T>& area) {
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return Area<T>::create(Position<T>::create((Display::Width - area.size.width)/2, (Display::Height - area.size.height)/2), area.size);
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}
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static void enable() {
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GPU_IO::GP1.write(GPU_IO::Command::SetDisplayState(GPU_IO::DisplayState::On));
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}
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static void disable() {
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GPU_IO::GP1.write(GPU_IO::Command::SetDisplayState(GPU_IO::DisplayState::Off));
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}
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static void set_offset(int16_t x, int16_t y);
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};
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static uint32_t update_id() {
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return Display::current_id;
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}
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static uint32_t render_id() {
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return Display::current_id ^ 1;
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}
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namespace internal {
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void render(const uint32_t* data, size_t words);
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void render_dma(const uint32_t* data);
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}
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template<typename T>
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static void render(const LinkedElement<T>& linked_primitives) {
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internal::render_dma(&linked_primitives.link_value);
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}
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template<typename T>
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static enable_if<T::is_render_primitive>::type render(const T& primitive) {
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internal::render(reinterpret_cast<const uint32_t*>(&primitive), sizeof(T)/sizeof(uint32_t));
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}
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template<typename T, size_t N>
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static enable_if<T::is_render_primitive>::type render(const LINE_F (&primitives)[N]) {
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internal::render(reinterpret_cast<const uint32_t*>(&primitives), (sizeof(T)/sizeof(uint32_t))*N);
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}
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uint8_t swap_buffers_vsync(uint8_t syncs, bool clear_screen = true);
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}
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} |