mirror of
https://github.com/open-goal/jak-project.git
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143 lines
3.3 KiB
C++
143 lines
3.3 KiB
C++
/*!
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* @file display.cpp
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* Display for graphics. This is the game window, distinct from the runtime console.
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*/
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#include "display.h"
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#include "gfx.h"
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#include "common/log/log.h"
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/*
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********************************
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* Internal functions
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********************************
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*/
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namespace {
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bool renderer_is_correct(const GfxRendererModule* renderer, GfxPipeline pipeline) {
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return renderer->pipeline == pipeline;
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}
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void set_main_display(std::shared_ptr<GfxDisplay> display) {
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if (Display::g_displays.size() > 0) {
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Display::g_displays[0] = display;
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} else {
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Display::g_displays.push_back(display);
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}
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}
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} // namespace
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/*
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********************************
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* GfxDisplay
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********************************
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*/
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GfxDisplay::GfxDisplay(GLFWwindow* a_window) {
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set_renderer(GfxPipeline::OpenGL);
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set_window(a_window);
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}
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GfxDisplay::~GfxDisplay() {
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m_renderer->kill_display(this);
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// window_generic_ptr = nullptr;
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}
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void GfxDisplay::set_renderer(GfxPipeline pipeline) {
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if (is_active()) {
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lg::error("Can't change display's renderer while window exists.");
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return;
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}
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if (m_renderer != nullptr) {
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lg::error("A display changed renderer unexpectedly.");
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return;
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}
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m_renderer = Gfx::GetRenderer(pipeline);
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}
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void GfxDisplay::set_window(GLFWwindow* window) {
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if (!renderer_is_correct(m_renderer, GfxPipeline::OpenGL)) {
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lg::error("Can't set OpenGL window when using {}", m_renderer->name);
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return;
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}
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if (is_active()) {
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lg::error("Already have a window. Close window first.");
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return;
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}
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this->window_glfw = window;
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}
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void GfxDisplay::set_title(const char* title) {
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if (!is_active()) {
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lg::error("No window to set title `{}`.", title);
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return;
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}
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m_title = title;
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}
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void GfxDisplay::render_graphics() {
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m_renderer->render_display(this);
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}
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/*
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********************************
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* DISPLAY
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********************************
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*/
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namespace Display {
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std::vector<std::shared_ptr<GfxDisplay>> g_displays;
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std::shared_ptr<GfxDisplay> GetMainDisplay() {
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if (g_displays.size() == 0)
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return NULL;
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return g_displays.front()->is_active() ? g_displays.front() : NULL;
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}
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int InitMainDisplay(int width, int height, const char* title, GfxSettings& settings) {
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if (GetMainDisplay() != NULL) {
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lg::warn("InitMainDisplay called when main display already exists.");
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return 1;
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}
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auto display = Gfx::GetRenderer(settings.renderer)->make_main_display(width, height, title, settings);
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if (display == NULL) {
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lg::error("Failed to make main display.");
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return 1;
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}
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set_main_display(display);
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return 0;
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}
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void KillMainDisplay() {
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KillDisplay(GetMainDisplay());
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}
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void KillDisplay(std::shared_ptr<GfxDisplay> display) {
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// lg::debug("kill display #x{:x}", (uintptr_t)display);
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if (!display->is_active()) {
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lg::warn("display #x{:x} cant be killed because it is not active");
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return;
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}
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if (GetMainDisplay() == display) {
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// killing the main display, kill all children displays too!
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while (g_displays.size() > 1) {
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KillDisplay(g_displays.at(1));
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}
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}
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// find this display in the list and remove it from there
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// if everything went right the smart pointer should delete the display.
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auto this_disp = std::find(g_displays.begin(), g_displays.end(), display);
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g_displays.erase(this_disp);
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}
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} // namespace Display
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