Atmosphere/troposphere/daybreak/source/main.cpp

273 lines
9.6 KiB
C++

/*
* Copyright (c) Adubbz
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <optional>
#include <switch.h>
#include <nanovg.h>
#include <nanovg_dk.h>
#include <nanovg/framework/CApplication.h>
#include "ui.hpp"
#include "ams_su.h"
extern "C" {
void userAppInit(void) {
Result rc = 0;
if (R_FAILED(rc = romfsInit())) {
fatalThrow(rc);
}
if (R_FAILED(rc = spsmInitialize())) {
fatalThrow(rc);
}
if (R_FAILED(rc = plInitialize(PlServiceType_User))) {
fatalThrow(rc);
}
if (R_FAILED(rc = splInitialize())) {
fatalThrow(rc);
}
if (R_FAILED(rc = nsInitialize())) {
fatalThrow(rc);
}
if (R_FAILED(rc = hiddbgInitialize())) {
fatalThrow(rc);
}
}
void userAppExit(void) {
hiddbgExit();
nsExit();
splExit();
plExit();
spsmExit();
romfsExit();
amssuExit();
}
}
namespace {
static constexpr u32 FramebufferWidth = 1280;
static constexpr u32 FramebufferHeight = 720;
}
class Daybreak : public CApplication {
private:
static constexpr unsigned NumFramebuffers = 2;
static constexpr unsigned StaticCmdSize = 0x1000;
dk::UniqueDevice m_device;
dk::UniqueQueue m_queue;
dk::UniqueSwapchain m_swapchain;
std::optional<CMemPool> m_pool_images;
std::optional<CMemPool> m_pool_code;
std::optional<CMemPool> m_pool_data;
dk::UniqueCmdBuf m_cmd_buf;
DkCmdList m_render_cmdlist;
dk::Image m_depth_buffer;
CMemPool::Handle m_depth_buffer_mem;
dk::Image m_framebuffers[NumFramebuffers];
CMemPool::Handle m_framebuffers_mem[NumFramebuffers];
DkCmdList m_framebuffer_cmdlists[NumFramebuffers];
std::optional<nvg::DkRenderer> m_renderer;
NVGcontext *m_vg;
int m_standard_font;
public:
Daybreak() {
Result rc = 0;
/* Create the deko3d device. */
m_device = dk::DeviceMaker{}.create();
/* Create the main queue. */
m_queue = dk::QueueMaker{m_device}.setFlags(DkQueueFlags_Graphics).create();
/* Create the memory pools. */
m_pool_images.emplace(m_device, DkMemBlockFlags_GpuCached | DkMemBlockFlags_Image, 16*1024*1024);
m_pool_code.emplace(m_device, DkMemBlockFlags_CpuUncached | DkMemBlockFlags_GpuCached | DkMemBlockFlags_Code, 128*1024);
m_pool_data.emplace(m_device, DkMemBlockFlags_CpuUncached | DkMemBlockFlags_GpuCached, 1*1024*1024);
/* Create the static command buffer and feed it freshly allocated memory. */
m_cmd_buf = dk::CmdBufMaker{m_device}.create();
CMemPool::Handle cmdmem = m_pool_data->allocate(StaticCmdSize);
m_cmd_buf.addMemory(cmdmem.getMemBlock(), cmdmem.getOffset(), cmdmem.getSize());
/* Create the framebuffer resources. */
this->CreateFramebufferResources();
m_renderer.emplace(FramebufferWidth, FramebufferHeight, m_device, m_queue, *m_pool_images, *m_pool_code, *m_pool_data);
m_vg = nvgCreateDk(&*m_renderer, NVG_ANTIALIAS | NVG_STENCIL_STROKES);
PlFontData font;
if (R_FAILED(rc = plGetSharedFontByType(&font, PlSharedFontType_Standard))) {
fatalThrow(rc);
}
m_standard_font = nvgCreateFontMem(m_vg, "switch-standard", static_cast<u8 *>(font.address), font.size, 0);
}
~Daybreak() {
/* Destroy the framebuffer resources. This should be done first. */
this->DestroyFramebufferResources();
/* Cleanup vg. */
nvgDeleteDk(m_vg);
/* Destroy the renderer. */
m_renderer.reset();
}
private:
void CreateFramebufferResources() {
/* Create layout for the depth buffer. */
dk::ImageLayout layout_depth_buffer;
dk::ImageLayoutMaker{m_device}
.setFlags(DkImageFlags_UsageRender | DkImageFlags_HwCompression)
.setFormat(DkImageFormat_S8)
.setDimensions(FramebufferWidth, FramebufferHeight)
.initialize(layout_depth_buffer);
/* Create the depth buffer. */
m_depth_buffer_mem = m_pool_images->allocate(layout_depth_buffer.getSize(), layout_depth_buffer.getAlignment());
m_depth_buffer.initialize(layout_depth_buffer, m_depth_buffer_mem.getMemBlock(), m_depth_buffer_mem.getOffset());
/* Create layout for the framebuffers. */
dk::ImageLayout layout_framebuffer;
dk::ImageLayoutMaker{m_device}
.setFlags(DkImageFlags_UsageRender | DkImageFlags_UsagePresent | DkImageFlags_HwCompression)
.setFormat(DkImageFormat_RGBA8_Unorm)
.setDimensions(FramebufferWidth, FramebufferHeight)
.initialize(layout_framebuffer);
/* Create the framebuffers. */
std::array<DkImage const*, NumFramebuffers> fb_array;
const u64 fb_size = layout_framebuffer.getSize();
const u32 fb_align = layout_framebuffer.getAlignment();
for (unsigned int i = 0; i < NumFramebuffers; i++) {
/* Allocate a framebuffer. */
m_framebuffers_mem[i] = m_pool_images->allocate(fb_size, fb_align);
m_framebuffers[i].initialize(layout_framebuffer, m_framebuffers_mem[i].getMemBlock(), m_framebuffers_mem[i].getOffset());
/* Generate a command list that binds it. */
dk::ImageView color_target{ m_framebuffers[i] }, depth_target{ m_depth_buffer };
m_cmd_buf.bindRenderTargets(&color_target, &depth_target);
m_framebuffer_cmdlists[i] = m_cmd_buf.finishList();
/* Fill in the array for use later by the swapchain creation code. */
fb_array[i] = &m_framebuffers[i];
}
/* Create the swapchain using the framebuffers. */
m_swapchain = dk::SwapchainMaker{m_device, nwindowGetDefault(), fb_array}.create();
/* Generate the main rendering cmdlist. */
this->RecordStaticCommands();
}
void DestroyFramebufferResources() {
/* Return early if we have nothing to destroy. */
if (!m_swapchain) return;
/* Make sure the queue is idle before destroying anything. */
m_queue.waitIdle();
/* Clear the static cmdbuf, destroying the static cmdlists in the process. */
m_cmd_buf.clear();
/* Destroy the swapchain. */
m_swapchain.destroy();
/* Destroy the framebuffers. */
for (unsigned int i = 0; i < NumFramebuffers; i ++) {
m_framebuffers_mem[i].destroy();
}
/* Destroy the depth buffer. */
m_depth_buffer_mem.destroy();
}
void RecordStaticCommands() {
/* Initialize state structs with deko3d defaults. */
dk::RasterizerState rasterizer_state;
dk::ColorState color_state;
dk::ColorWriteState color_write_state;
/* Configure the viewport and scissor. */
m_cmd_buf.setViewports(0, { { 0.0f, 0.0f, FramebufferWidth, FramebufferHeight, 0.0f, 1.0f } });
m_cmd_buf.setScissors(0, { { 0, 0, FramebufferWidth, FramebufferHeight } });
/* Clear the color and depth buffers. */
m_cmd_buf.clearColor(0, DkColorMask_RGBA, 0.f, 0.f, 0.f, 1.0f);
m_cmd_buf.clearDepthStencil(true, 1.0f, 0xFF, 0);
/* Bind required state. */
m_cmd_buf.bindRasterizerState(rasterizer_state);
m_cmd_buf.bindColorState(color_state);
m_cmd_buf.bindColorWriteState(color_write_state);
m_render_cmdlist = m_cmd_buf.finishList();
}
void Render(u64 ns) {
/* Acquire a framebuffer from the swapchain (and wait for it to be available). */
int slot = m_queue.acquireImage(m_swapchain);
/* Run the command list that attaches said framebuffer to the queue. */
m_queue.submitCommands(m_framebuffer_cmdlists[slot]);
/* Run the main rendering command list. */
m_queue.submitCommands(m_render_cmdlist);
nvgBeginFrame(m_vg, FramebufferWidth, FramebufferHeight, 1.0f);
dbk::RenderMenu(m_vg, ns);
nvgEndFrame(m_vg);
/* Now that we are done rendering, present it to the screen. */
m_queue.presentImage(m_swapchain, slot);
}
public:
bool onFrame(u64 ns) override {
dbk::UpdateMenu(ns);
this->Render(ns);
return !dbk::IsExitRequested();
}
};
int main(int argc, char **argv) {
/* Initialize the menu. */
if (argc > 1)
dbk::InitializeMenu(FramebufferWidth, FramebufferHeight, argv[1]);
else
dbk::InitializeMenu(FramebufferWidth, FramebufferHeight);
Daybreak daybreak;
daybreak.run();
return 0;
}