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-rw-r--r--src/egl.c380
1 files changed, 0 insertions, 380 deletions
diff --git a/src/egl.c b/src/egl.c
deleted file mode 100644
index 79aab1f..0000000
--- a/src/egl.c
+++ /dev/null
@@ -1,380 +0,0 @@
-#include "egl.h"
-#include "library_loader.h"
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <dlfcn.h>
-#include <assert.h>
-
-#include <wayland-client.h>
-#include <wayland-egl.h>
-#include <unistd.h>
-
-static void output_handle_geometry(void *data, struct wl_output *wl_output,
- int32_t x, int32_t y, int32_t phys_width, int32_t phys_height,
- int32_t subpixel, const char *make, const char *model,
- int32_t transform) {
- (void)wl_output;
- (void)phys_width;
- (void)phys_height;
- (void)subpixel;
- (void)make;
- (void)model;
- (void)transform;
- gsr_wayland_output *gsr_output = data;
- gsr_output->pos.x = x;
- gsr_output->pos.y = y;
-}
-
-static void output_handle_mode(void *data, struct wl_output *wl_output, uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
- (void)wl_output;
- (void)flags;
- (void)refresh;
- gsr_wayland_output *gsr_output = data;
- gsr_output->size.x = width;
- gsr_output->size.y = height;
-}
-
-static void output_handle_done(void *data, struct wl_output *wl_output) {
- (void)data;
- (void)wl_output;
-}
-
-static void output_handle_scale(void* data, struct wl_output *wl_output, int32_t factor) {
- (void)data;
- (void)wl_output;
- (void)factor;
-}
-
-static void output_handle_name(void *data, struct wl_output *wl_output, const char *name) {
- (void)wl_output;
- gsr_wayland_output *gsr_output = data;
- if(gsr_output->name) {
- free(gsr_output->name);
- gsr_output->name = NULL;
- }
- gsr_output->name = strdup(name);
-}
-
-static void output_handle_description(void *data, struct wl_output *wl_output, const char *description) {
- (void)data;
- (void)wl_output;
- (void)description;
-}
-
-static const struct wl_output_listener output_listener = {
- .geometry = output_handle_geometry,
- .mode = output_handle_mode,
- .done = output_handle_done,
- .scale = output_handle_scale,
- .name = output_handle_name,
- .description = output_handle_description,
-};
-
-static void registry_add_object(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version) {
- (void)version;
- gsr_egl *egl = data;
- if (strcmp(interface, "wl_compositor") == 0) {
- if(egl->wayland.compositor) {
- wl_compositor_destroy(egl->wayland.compositor);
- egl->wayland.compositor = NULL;
- }
- egl->wayland.compositor = wl_registry_bind(registry, name, &wl_compositor_interface, 1);
- } else if(strcmp(interface, wl_output_interface.name) == 0) {
- if(version < 4) {
- fprintf(stderr, "gsr warning: wl output interface version is < 4, expected >= 4 to capture a monitor. Using KMS capture instead\n");
- return;
- }
-
- if(egl->wayland.num_outputs == GSR_MAX_OUTPUTS) {
- fprintf(stderr, "gsr warning: reached maximum outputs (32), ignoring output %u\n", name);
- return;
- }
-
- gsr_wayland_output *gsr_output = &egl->wayland.outputs[egl->wayland.num_outputs];
- egl->wayland.num_outputs++;
- *gsr_output = (gsr_wayland_output) {
- .wl_name = name,
- .output = wl_registry_bind(registry, name, &wl_output_interface, 4),
- .pos = { .x = 0, .y = 0 },
- .size = { .x = 0, .y = 0 },
- .name = NULL,
- };
- wl_output_add_listener(gsr_output->output, &output_listener, gsr_output);
- }
-}
-
-static void registry_remove_object(void *data, struct wl_registry *registry, uint32_t name) {
- (void)data;
- (void)registry;
- (void)name;
-}
-
-static struct wl_registry_listener registry_listener = {
- .global = registry_add_object,
- .global_remove = registry_remove_object,
-};
-
-// TODO: Create egl context without surface (in other words, x11/wayland agnostic, doesn't require x11/wayland dependency)
-static bool gsr_egl_create_window(gsr_egl *self, bool wayland) {
- EGLConfig ecfg;
- int32_t num_config = 0;
-
- const int32_t attr[] = {
- EGL_BUFFER_SIZE, 24,
- EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
- EGL_NONE
- };
-
- const int32_t ctxattr[] = {
- EGL_CONTEXT_CLIENT_VERSION, 2,
- EGL_NONE
- };
-
- if(wayland) {
- self->wayland.dpy = wl_display_connect(NULL);
- if(!self->wayland.dpy) {
- fprintf(stderr, "gsr error: gsr_egl_create_window failed: wl_display_connect failed\n");
- goto fail;
- }
-
- self->wayland.registry = wl_display_get_registry(self->wayland.dpy); // TODO: Error checking
- wl_registry_add_listener(self->wayland.registry, &registry_listener, self); // TODO: Error checking
-
- // Fetch globals
- wl_display_roundtrip(self->wayland.dpy);
-
- // fetch wl_output
- wl_display_roundtrip(self->wayland.dpy);
-
- if(!self->wayland.compositor) {
- fprintf(stderr, "gsr error: gsr_gl_create_window failed: failed to find compositor\n");
- goto fail;
- }
- } else {
- self->x11.window = XCreateWindow(self->x11.dpy, DefaultRootWindow(self->x11.dpy), 0, 0, 16, 16, 0, CopyFromParent, InputOutput, CopyFromParent, 0, NULL);
-
- if(!self->x11.window) {
- fprintf(stderr, "gsr error: gsr_gl_create_window failed: failed to create gl window\n");
- goto fail;
- }
- }
-
- self->eglBindAPI(EGL_OPENGL_API);
-
- self->egl_display = self->eglGetDisplay(self->wayland.dpy ? (EGLNativeDisplayType)self->wayland.dpy : (EGLNativeDisplayType)self->x11.dpy);
- if(!self->egl_display) {
- fprintf(stderr, "gsr error: gsr_egl_create_window failed: eglGetDisplay failed\n");
- goto fail;
- }
-
- if(!self->eglInitialize(self->egl_display, NULL, NULL)) {
- fprintf(stderr, "gsr error: gsr_egl_create_window failed: eglInitialize failed\n");
- goto fail;
- }
-
- if(!self->eglChooseConfig(self->egl_display, attr, &ecfg, 1, &num_config) || num_config != 1) {
- fprintf(stderr, "gsr error: gsr_egl_create_window failed: failed to find a matching config\n");
- goto fail;
- }
-
- self->egl_context = self->eglCreateContext(self->egl_display, ecfg, NULL, ctxattr);
- if(!self->egl_context) {
- fprintf(stderr, "gsr error: gsr_egl_create_window failed: failed to create egl context\n");
- goto fail;
- }
-
- if(wayland) {
- self->wayland.surface = wl_compositor_create_surface(self->wayland.compositor);
- self->wayland.window = wl_egl_window_create(self->wayland.surface, 16, 16);
- self->egl_surface = self->eglCreateWindowSurface(self->egl_display, ecfg, (EGLNativeWindowType)self->wayland.window, NULL);
- } else {
- self->egl_surface = self->eglCreateWindowSurface(self->egl_display, ecfg, (EGLNativeWindowType)self->x11.window, NULL);
- }
-
- if(!self->egl_surface) {
- fprintf(stderr, "gsr error: gsr_egl_create_window failed: failed to create window surface\n");
- goto fail;
- }
-
- if(!self->eglMakeCurrent(self->egl_display, self->egl_surface, self->egl_surface, self->egl_context)) {
- fprintf(stderr, "gsr error: gsr_egl_create_window failed: failed to make context current\n");
- goto fail;
- }
-
- return true;
-
- fail:
- gsr_egl_unload(self);
- return false;
-}
-
-static bool gsr_egl_load_egl(gsr_egl *self, void *library) {
- const dlsym_assign required_dlsym[] = {
- { (void**)&self->eglGetDisplay, "eglGetDisplay" },
- { (void**)&self->eglInitialize, "eglInitialize" },
- { (void**)&self->eglTerminate, "eglTerminate" },
- { (void**)&self->eglChooseConfig, "eglChooseConfig" },
- { (void**)&self->eglCreateWindowSurface, "eglCreateWindowSurface" },
- { (void**)&self->eglCreateContext, "eglCreateContext" },
- { (void**)&self->eglMakeCurrent, "eglMakeCurrent" },
- { (void**)&self->eglDestroyContext, "eglDestroyContext" },
- { (void**)&self->eglDestroySurface, "eglDestroySurface" },
- { (void**)&self->eglBindAPI, "eglBindAPI" },
- { (void**)&self->eglGetProcAddress, "eglGetProcAddress" },
-
- { NULL, NULL }
- };
-
- if(!dlsym_load_list(library, required_dlsym)) {
- fprintf(stderr, "gsr error: gsr_egl_load failed: missing required symbols in libEGL.so.1\n");
- return false;
- }
-
- return true;
-}
-
-static bool gsr_egl_load_gl(gsr_egl *self, void *library) {
- const dlsym_assign required_dlsym[] = {
- { (void**)&self->glGetString, "glGetString" },
-
- { NULL, NULL }
- };
-
- if(!dlsym_load_list(library, required_dlsym)) {
- fprintf(stderr, "gsr error: gsr_egl_load failed: missing required symbols in libGL.so.1\n");
- return false;
- }
-
- return true;
-}
-
-static bool gsr_egl_proc_load_egl(gsr_egl *self) {
- self->eglQueryDisplayAttribEXT = (FUNC_eglQueryDisplayAttribEXT)self->eglGetProcAddress("eglQueryDisplayAttribEXT");
- self->eglQueryDeviceStringEXT = (FUNC_eglQueryDeviceStringEXT)self->eglGetProcAddress("eglQueryDeviceStringEXT");
-
- return true;
-}
-
-bool gsr_egl_load(gsr_egl *self, Display *dpy, bool wayland) {
- memset(self, 0, sizeof(gsr_egl));
- self->x11.dpy = dpy;
-
- void *egl_lib = NULL;
- void *gl_lib = NULL;
-
- dlerror(); /* clear */
- egl_lib = dlopen("libEGL.so.1", RTLD_LAZY);
- if(!egl_lib) {
- fprintf(stderr, "gsr error: gsr_egl_load: failed to load libEGL.so.1, error: %s\n", dlerror());
- goto fail;
- }
-
- gl_lib = dlopen("libGL.so.1", RTLD_LAZY);
- if(!egl_lib) {
- fprintf(stderr, "gsr error: gsr_egl_load: failed to load libGL.so.1, error: %s\n", dlerror());
- goto fail;
- }
-
- if(!gsr_egl_load_egl(self, egl_lib))
- goto fail;
-
- if(!gsr_egl_load_gl(self, gl_lib))
- goto fail;
-
- if(!gsr_egl_proc_load_egl(self))
- goto fail;
-
- if(!gsr_egl_create_window(self, wayland))
- goto fail;
-
- if(self->eglQueryDisplayAttribEXT && self->eglQueryDeviceStringEXT) {
- intptr_t device = 0;
- if(self->eglQueryDisplayAttribEXT(self->egl_display, EGL_DEVICE_EXT, &device) && device)
- self->dri_card_path = self->eglQueryDeviceStringEXT((void*)device, EGL_DRM_DEVICE_FILE_EXT);
- }
-
- self->egl_library = egl_lib;
- self->gl_library = gl_lib;
- return true;
-
- fail:
- if(egl_lib)
- dlclose(egl_lib);
- if(gl_lib)
- dlclose(gl_lib);
- memset(self, 0, sizeof(gsr_egl));
- return false;
-}
-
-void gsr_egl_unload(gsr_egl *self) {
- if(self->egl_context) {
- self->eglDestroyContext(self->egl_display, self->egl_context);
- self->egl_context = NULL;
- }
-
- if(self->egl_surface) {
- self->eglDestroySurface(self->egl_display, self->egl_surface);
- self->egl_surface = NULL;
- }
-
- if(self->egl_display) {
- self->eglTerminate(self->egl_display);
- self->egl_display = NULL;
- }
-
- if(self->x11.window) {
- XDestroyWindow(self->x11.dpy, self->x11.window);
- self->x11.window = None;
- }
-
- if(self->wayland.window) {
- wl_egl_window_destroy(self->wayland.window);
- self->wayland.window = NULL;
- }
-
- if(self->wayland.surface) {
- wl_surface_destroy(self->wayland.surface);
- self->wayland.surface = NULL;
- }
-
- for(int i = 0; i < self->wayland.num_outputs; ++i) {
- if(self->wayland.outputs[i].output) {
- wl_output_destroy(self->wayland.outputs[i].output);
- self->wayland.outputs[i].output = NULL;
- }
-
- if(self->wayland.outputs[i].name) {
- free(self->wayland.outputs[i].name);
- self->wayland.outputs[i].name = NULL;
- }
- }
- self->wayland.num_outputs = 0;
-
- if(self->wayland.compositor) {
- wl_compositor_destroy(self->wayland.compositor);
- self->wayland.compositor = NULL;
- }
-
- if(self->wayland.registry) {
- wl_registry_destroy(self->wayland.registry);
- self->wayland.registry = NULL;
- }
-
- if(self->wayland.dpy) {
- wl_display_disconnect(self->wayland.dpy);
- self->wayland.dpy = NULL;
- }
-
- if(self->egl_library) {
- dlclose(self->egl_library);
- self->egl_library = NULL;
- }
-
- if(self->gl_library) {
- dlclose(self->gl_library);
- self->gl_library = NULL;
- }
-
- memset(self, 0, sizeof(gsr_egl));
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 21:47:15 +0000