75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
/*
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* Copyright 2016 - 2021 gary@drinkingtea.net
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <array>
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#include <GLFW/glfw3.h>
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#include <ox/claw/read.hpp>
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#include <nostalgia/core/gfx.hpp>
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#include <nostalgia/core/userland/gfx.hpp>
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#include "core.hpp"
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namespace nostalgia::core {
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constexpr auto Scale = 5;
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static void handleGlfwError(int err, const char *desc) {
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oxErrf("GLFW error ({}): {}", err, desc);
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}
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ox::Error initGfx(Context *ctx) noexcept {
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auto id = ctx->windowerData<GlfwImplData>();
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glfwSetErrorCallback(handleGlfwError);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
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glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
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id->window = glfwCreateWindow(240 * Scale, 160 * Scale, "nostalgia", nullptr, nullptr);
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if (id->window == nullptr) {
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return OxError(1, "Could not open GLFW window");
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}
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glfwSetWindowUserPointer(id->window, ctx);
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glfwMakeContextCurrent(id->window);
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oxReturnError(renderer::init(ctx));
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return OxError(0);
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}
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ox::Error shutdownGfx(Context *ctx) noexcept {
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oxReturnError(renderer::shutdown(ctx));
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auto id = ctx->windowerData<GlfwImplData>();
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glfwDestroyWindow(id->window);
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ctx->setWindowerData(nullptr);
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delete id;
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return OxError(0);
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}
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int getScreenWidth(Context *ctx) noexcept {
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auto id = ctx->windowerData<GlfwImplData>();
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int w = 0, h = 0;
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glfwGetFramebufferSize(id->window, &w, &h);
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return w;
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}
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int getScreenHeight(Context *ctx) noexcept {
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auto id = ctx->windowerData<GlfwImplData>();
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int w = 0, h = 0;
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glfwGetFramebufferSize(id->window, &w, &h);
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return h;
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}
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common::Size getScreenSize(Context *ctx) noexcept {
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auto id = ctx->windowerData<GlfwImplData>();
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int w = 0, h = 0;
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glfwGetFramebufferSize(id->window, &w, &h);
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return {w, h};
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}
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}
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