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egl working with shader!

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Rakarake 2025-12-18 03:45:35 +01:00
parent caed914bcd
commit c039ddba14
1 changed files with 73 additions and 41 deletions
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98
glonkers.c
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@ -167,53 +167,85 @@ wl_registry_listener = {
};
static void egl_init(struct client_state *state) {
EGLint major;
EGLint minor;
EGLint num_configs;
EGLint attribs[] = {
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
EGLint major, minor, count, n, size;
EGLConfig *configs;
int i;
EGLint config_attribs[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE
};
static const EGLint context_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
state->egl_window = wl_egl_window_create(state->wl_surface, state->width,
state->height);
state->egl_display = eglGetDisplay((EGLNativeDisplayType) state->wl_display);
if(state->wl_display == EGL_NO_DISPLAY) {
fprintf(stderr, "Couldn't get EGL display\n");
exit(EXIT_FAILURE);
if (state->egl_display == EGL_NO_DISPLAY) {
fprintf(stderr, "Can't create egl display\n");
exit(1);
} else {
fprintf(stderr, "Created egl display\n");
}
if(eglInitialize(state->egl_display, &major, &minor) != EGL_TRUE) {
fprintf(stderr, "Couldnt initialize EGL\n");
exit(EXIT_FAILURE);
if (eglInitialize(state->egl_display, &major, &minor) != EGL_TRUE) {
fprintf(stderr, "Can't initialise egl display\n");
exit(1);
}
printf("EGL major: %d, minor %d\n", major, minor);
eglGetConfigs(state->egl_display, NULL, 0, &count);
printf("EGL has %d configs\n", count);
configs = calloc(count, sizeof *configs);
eglChooseConfig(state->egl_display, config_attribs,
configs, count, &n);
for (i = 0; i < n; i++) {
eglGetConfigAttrib(state->egl_display,
configs[i], EGL_BUFFER_SIZE, &size);
printf("Buffer size for config %d is %d\n", i, size);
eglGetConfigAttrib(state->egl_display,
configs[i], EGL_RED_SIZE, &size);
printf("Red size for config %d is %d\n", i, size);
// just choose the first one
state->egl_config = configs[i];
break;
}
if(eglChooseConfig(state->egl_display, attribs, &state->egl_config, 1,
&num_configs) != EGL_TRUE) {
fprintf(stderr, "Couldn't find matching EGL config\n");
exit(EXIT_FAILURE);
}
state->egl_surface = eglCreateWindowSurface(state->egl_display,
state->egl_context =
eglCreateContext(state->egl_display,
state->egl_config,
(EGLNativeWindowType) state->egl_window, NULL);
if(state->egl_surface == EGL_NO_SURFACE) {
fprintf(stderr, "Couldn't create EGL surface\n");
exit(EXIT_FAILURE);
EGL_NO_CONTEXT, context_attribs);
// EGL window
state->egl_window = wl_egl_window_create(state->wl_surface,
state->width, state->height);
if (state->egl_window == EGL_NO_SURFACE) {
fprintf(stderr, "Can't create egl window\n");
exit(1);
} else {
fprintf(stderr, "Created egl window\n");
}
state->egl_context = eglCreateContext(state->egl_display, state->egl_config,
EGL_NO_CONTEXT, NULL);
if(state->egl_context == EGL_NO_CONTEXT) {
fprintf(stderr, "Couldn't create EGL context\n");
exit(EXIT_FAILURE);
}
state->egl_surface =
eglCreateWindowSurface(state->egl_display,
state->egl_config,
(unsigned long) state->egl_window, NULL);
if(!eglMakeCurrent(state->egl_display, state->egl_surface,
if (eglMakeCurrent(state->egl_display, state->egl_surface,
state->egl_surface, state->egl_context)) {
fprintf(stderr, "Couldn't make EGL context current\n");
exit(EXIT_FAILURE);
fprintf(stderr, "Made current\n");
} else {
fprintf(stderr, "Made current failed\n");
}
}