mirror of
https://github.com/open-goal/jak-project
synced 2026-06-13 05:57:22 -04:00
ManDude
a850b5d5cb
* revamp gfx and display systems a bit * Use some fancy c++ pointers instead of just raw pointers * Tidy some things up. * clang * clang 2 * fixes * fixesss * error detection when making display
128 lines
3.1 KiB
C++
128 lines
3.1 KiB
C++
/*!
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* @file opengl.cpp
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* Lower-level OpenGL implementation.
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*/
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#include "opengl.h"
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#include "game/graphics/gfx.h"
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#include "game/graphics/display.h"
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#include "common/log/log.h"
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#include <memory>
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namespace {
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void SetDisplayCallbacks(GLFWwindow* d) {
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glfwSetKeyCallback(d, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
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if (action == GlfwKeyAction::Press) {
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lg::debug("KEY PRESS: key: {} scancode: {} mods: {:X}", key, scancode, mods);
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} else if (action == GlfwKeyAction::Release) {
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lg::debug("KEY RELEASE: key: {} scancode: {} mods: {:X}", key, scancode, mods);
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}
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});
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}
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void ErrorCallback(int err, const char* msg) {
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lg::error("GLFW ERR {}: " + std::string(msg), err);
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}
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bool HasError() {
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return glfwGetError(NULL) != GLFW_NO_ERROR;
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}
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} // namespace
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static bool gl_inited = false;
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static int gl_init() {
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if (glfwSetErrorCallback(ErrorCallback) != NULL) {
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lg::warn("glfwSetErrorCallback has been re-set!");
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}
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if (glfwInit() == GLFW_FALSE) {
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lg::error("glfwInit error");
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return 1;
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}
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// request OpenGL 3.0 (placeholder)
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
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return 0;
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}
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static void gl_exit() {
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glfwTerminate();
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glfwSetErrorCallback(NULL);
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}
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static std::shared_ptr<GfxDisplay> gl_make_main_display(int width,
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int height,
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const char* title,
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GfxSettings& settings) {
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GLFWwindow* window = glfwCreateWindow(width, height, title, NULL, NULL);
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if (!window) {
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lg::error("gl_make_main_display failed - Could not create display window");
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return NULL;
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}
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glfwMakeContextCurrent(window);
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if (!gl_inited && !gladLoadGL()) {
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lg::error("GL init fail");
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return NULL;
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}
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gl_inited = true;
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// enable vsync by default
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// glfwSwapInterval(1);
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glfwSwapInterval(settings.vsync);
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SetDisplayCallbacks(window);
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if (HasError()) {
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lg::error("gl_make_main_display error");
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return NULL;
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}
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std::shared_ptr<GfxDisplay> display = std::make_shared<GfxDisplay>(window);
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// lg::debug("init display #x{:x}", (uintptr_t)display);
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return display;
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}
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static void gl_kill_display(GfxDisplay* display) {
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glfwDestroyWindow(display->window_glfw);
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}
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static void gl_render_display(GfxDisplay* display) {
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GLFWwindow* window = display->window_glfw;
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glfwMakeContextCurrent(window);
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// render graphics
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glClear(GL_COLOR_BUFFER_BIT);
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glfwSwapBuffers(window);
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// poll events TODO integrate input with cpad
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glfwPollEvents();
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// exit if display window was closed
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if (glfwWindowShouldClose(window)) {
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// Display::KillDisplay(window);
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MasterExit = 2;
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}
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}
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const GfxRendererModule moduleOpenGL = {
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gl_init, // init
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gl_make_main_display, // make_main_display
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gl_kill_display, // kill_display
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gl_render_display, // render_display
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gl_exit, // exit
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GfxPipeline::OpenGL, // pipeline
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"OpenGL 3.0" // name
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};
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