153 lines
4.2 KiB
Plaintext
153 lines
4.2 KiB
Plaintext
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2023 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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// TODO: everything
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#include "renderMetal.h"
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#include "backends/imgui_impl_metal.h"
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#include <Metal/Metal.h>
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#include <QuartzCore/QuartzCore.h>
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struct FurnaceGUIRenderMetalPrivate {
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CAMetalLayer* context;
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id<MTLCommandQueue> cmdQueue;
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MTLRenderPassDescriptor* renderPass;
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};
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class FurnaceMetalTexture: public FurnaceGUITexture {
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public:
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MTLTexture* tex;
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FurnaceMetalTexture():
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tex(NULL) {}
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};
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ImTextureID FurnaceGUIRenderMetal::getTextureID(FurnaceGUITexture* which) {
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FurnaceSDLTexture* t=(FurnaceSDLTexture*)which;
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return t->tex;
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}
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bool FurnaceGUIRenderMetal::lockTexture(FurnaceGUITexture* which, void** data, int* pitch) {
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FurnaceSDLTexture* t=(FurnaceSDLTexture*)which;
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return SDL_LockTexture(t->tex,NULL,data,pitch)==0;
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}
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bool FurnaceGUIRenderMetal::unlockTexture(FurnaceGUITexture* which) {
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FurnaceSDLTexture* t=(FurnaceSDLTexture*)which;
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SDL_UnlockTexture(t->tex);
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return true;
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}
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bool FurnaceGUIRenderMetal::updateTexture(FurnaceGUITexture* which, void* data, int pitch) {
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FurnaceSDLTexture* t=(FurnaceSDLTexture*)which;
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return SDL_UpdateTexture(t->tex,NULL,data,pitch)==0;
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}
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FurnaceGUITexture* FurnaceGUIRenderMetal::createTexture(bool dynamic, int width, int height) {
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SDL_Texture* t=SDL_CreateTexture(sdlRend,SDL_PIXELFORMAT_ABGR8888,dynamic?SDL_TEXTUREACCESS_STREAMING:SDL_TEXTUREACCESS_STATIC,width,height);
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if (t==NULL) return NULL;
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FurnaceSDLTexture* ret=new FurnaceSDLTexture;
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ret->tex=t;
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return ret;
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}
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bool FurnaceGUIRenderMetal::destroyTexture(FurnaceGUITexture* which) {
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FurnaceSDLTexture* t=(FurnaceSDLTexture*)which;
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SDL_DestroyTexture(t->tex);
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delete t;
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return true;
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}
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void FurnaceGUIRenderMetal::setTextureBlendMode(FurnaceGUITexture* which, FurnaceGUIBlendMode mode) {
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}
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void FurnaceGUIRenderMetal::setBlendMode(FurnaceGUIBlendMode mode) {
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}
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void FurnaceGUIRenderMetal::clear(ImVec4 color) {
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}
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bool FurnaceGUIRenderMetal::newFrame() {
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ImGui_ImplMetal_NewFrame(priv->renderPass);
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}
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void FurnaceGUIRenderMetal::createFontsTexture() {
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}
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void FurnaceGUIRenderMetal::destroyFontsTexture() {
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}
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void FurnaceGUIRenderMetal::renderGUI() {
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ImGui_ImplMetal_RenderDrawData(ImGui::GetDrawData());
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}
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void FurnaceGUIRenderMetal::wipe(float alpha) {
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}
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void FurnaceGUIRenderMetal::present() {
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}
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bool FurnaceGUIRenderMetal::getOutputSize(int& w, int& h) {
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return SDL_GetRendererOutputSize(sdlRend,&w,&h)==0;
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}
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int FurnaceGUIRenderMetal::getWindowFlags() {
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return 0;
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}
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void FurnaceGUIRenderMetal::preInit() {
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SDL_SetHint(SDL_HINT_RENDER_DRIVER,"metal");
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priv=new FurnaceGUIRenderMetalPrivate;
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}
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bool FurnaceGUIRenderMetal::init(SDL_Window* win) {
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SDL_SetHint(SDL_HINT_RENDER_DRIVER,"metal");
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sdlRend=SDL_CreateRenderer(win,-1,SDL_RENDERER_ACCELERATED|SDL_RENDERER_PRESENTVSYNC|SDL_RENDERER_TARGETTEXTURE);
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if (sdlRend==NULL) return NULL;
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priv->context=(__bridge CAMetalLayer*)SDL_RenderGetMetalLayer(sdlRend);
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priv->context.pixelFormat=MTLPixelFormatBGRA8Unorm;
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return true;
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}
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void FurnaceGUIRenderMetal::initGUI(SDL_Window* win) {
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ImGui_ImplMetal_Init(context.device);
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ImGui_ImplSDL2_InitForMetal(win);
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priv->cmdQueue=[priv->context.device newCommandQueue];
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priv->renderPass=[MTLRenderPassDescriptor new];
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}
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void FurnaceGUIRenderMetal::quitGUI() {
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ImGui_ImplSDLRenderer2_Shutdown();
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[priv->renderPass release];
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[priv->cmdQueue release];
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}
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bool FurnaceGUIRenderMetal::quit() {
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if (sdlRend==NULL) return false;
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SDL_DestroyRenderer(sdlRend);
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sdlRend=NULL;
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return true;
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}
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