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Allow compilation with opengl=off

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This commit is contained in:
coiland 2024-04-08 18:11:48 -04:00
parent 428401870b
commit 1c63f61ad7
2 changed files with 58 additions and 38 deletions
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4
include/panda_sdl/frontend_sdl.hpp
View file

@ -15,6 +15,8 @@ class FrontendSDL {
public:
FrontendSDL();
void createOpenGlWindow(const EmulatorConfig& config);
void createVulkanWindow(const EmulatorConfig& config);
bool loadROM(const std::filesystem::path& path);
void run();
u32 getMapping(InputMappings::Scancode scancode) { return keyboardMappings.getMapping(scancode); }
@ -25,7 +27,7 @@ class FrontendSDL {
int gameControllerID;
bool programRunning = true;
// For tracking whether to update gyroscope
// We bind gyro to right click + mouse movement
bool holdingRightClick = false;

92
src/panda_sdl/frontend_sdl.cpp
View file

@ -1,7 +1,7 @@
#include "panda_sdl/frontend_sdl.hpp"
#include <glad/gl.h>
#include "panda_sdl/frontend_sdl.hpp"
FrontendSDL::FrontendSDL() : keyboardMappings(InputMappings::defaultKeyboardMappings()) {
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS) < 0) {
Helpers::panic("Failed to initialize SDL2");
@ -23,49 +23,66 @@ FrontendSDL::FrontendSDL() : keyboardMappings(InputMappings::defaultKeyboardMapp
}
const EmulatorConfig& config = emu.getConfig();
// We need OpenGL for software rendering or for OpenGL if it's enabled
bool needOpenGL = config.rendererType == RendererType::Software;
#ifdef PANDA3DS_ENABLE_OPENGL
needOpenGL = needOpenGL || (config.rendererType == RendererType::OpenGL);
#endif
if (needOpenGL) {
// Demand 3.3 core for software renderer, or 4.1 core for OpenGL renderer (max available on MacOS)
// MacOS gets mad if we don't explicitly demand a core profile
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, config.rendererType == RendererType::Software ? 3 : 4);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, config.rendererType == RendererType::Software ? 3 : 1);
window = SDL_CreateWindow("Alber", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 400, 480, SDL_WINDOW_OPENGL);
if (window == nullptr) {
Helpers::panic("Window creation failed: %s", SDL_GetError());
switch (config.rendererType) {
case RendererType::Software:
case RendererType::OpenGL: {
createOpenGlWindow(config);
break;
}
glContext = SDL_GL_CreateContext(window);
if (glContext == nullptr) {
Helpers::panic("OpenGL context creation failed: %s", SDL_GetError());
case RendererType::Vulkan: {
createVulkanWindow(config);
break;
}
if (!gladLoadGLLoader(reinterpret_cast<GLADloadproc>(SDL_GL_GetProcAddress))) {
Helpers::panic("OpenGL init failed");
}
SDL_GL_SetSwapInterval(config.vsyncEnabled ? 1 : 0);
}
#ifdef PANDA3DS_ENABLE_VULKAN
if (config.rendererType == RendererType::Vulkan) {
window = SDL_CreateWindow("Alber", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 400, 480, SDL_WINDOW_VULKAN);
if (window == nullptr) {
Helpers::warn("Window creation failed: %s", SDL_GetError());
default: {
Helpers::panic("Invalid renderer type");
break;
}
}
#endif
emu.initGraphicsContext(window);
}
void FrontendSDL::createOpenGlWindow(const EmulatorConfig& config) {
#ifdef PANDA3DS_ENABLE_OPENGL
// Demand 3.3 core for software renderer, or 4.1 core for OpenGL renderer (max available on MacOS)
// MacOS gets mad if we don't explicitly demand a core profile
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, config.rendererType == RendererType::Software ? 3 : 4);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, config.rendererType == RendererType::Software ? 3 : 1);
window = SDL_CreateWindow("Alber", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 400, 480, SDL_WINDOW_OPENGL);
if (window == nullptr) {
Helpers::panic("Window creation failed: %s", SDL_GetError());
}
glContext = SDL_GL_CreateContext(window);
if (glContext == nullptr) {
Helpers::panic("OpenGL context creation failed: %s", SDL_GetError());
}
if (!gladLoadGLLoader(reinterpret_cast<GLADloadproc>(SDL_GL_GetProcAddress))) {
Helpers::panic("OpenGL init failed");
}
SDL_GL_SetSwapInterval(config.vsyncEnabled ? 1 : 0);
#else
Helpers::panic("Trying to render with opengl when not enabled");
#endif
}
void FrontendSDL::createVulkanWindow(const EmulatorConfig& config) {
#ifdef PANDA3DS_ENABLE_VULKAN
window = SDL_CreateWindow("Alber", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 400, 480, SDL_WINDOW_VULKAN);
if (window == nullptr) {
Helpers::panic("Window creation failed: %s", SDL_GetError());
}
#else
Helpers::panic("Trying to render with vulkan when not enabled");
#endif
}
bool FrontendSDL::loadROM(const std::filesystem::path& path) { return emu.loadROM(path); }
void FrontendSDL::run() {
@ -255,7 +272,8 @@ void FrontendSDL::run() {
}
}
// We use right click to indicate we want to rotate the console. If right click is not held, then this is not a gyroscope rotation
// We use right click to indicate we want to rotate the console. If right click is not held, then this is not a gyroscope
// rotation
if (holdingRightClick) {
// Relative motion since last mouse motion event
const s32 motionX = event.motion.xrel;