Random fixes and additions. Progress with xlib

This commit is contained in:
2026-08-02 01:59:44 +03:00
parent 7cbb5ade05
commit 4ad7ee307b
10 changed files with 341 additions and 27 deletions

View File

@@ -114,10 +114,217 @@ int main() {
#ifdef __linux__
#include <GL/glx.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/cursorfont.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include "log.h"
#include "DynString.h"
void print_pixmap_format_values(const XPixmapFormatValues* px) {
puts("{");
printf(" depth : %d\n", px->depth);
printf(" bits_per_pixel: %d\n", px->bits_per_pixel);
printf(" scanline_pad : %d\n", px->scanline_pad);
puts("}");
}
void print_visual_info(const XVisualInfo* vi) {
puts("{");
printf(" visual : %p\n", vi->visual);
printf(" visualid : %lu\n", vi->visualid);
printf(" screen : %d\n", vi->screen);
printf(" depth : %u\n", vi->depth);
printf(" class : %d\n", vi->class);
printf(" red_mask : %lu\n", vi->red_mask);
printf(" green_mask : %lu\n", vi->green_mask);
printf(" blue_mask : %lu\n", vi->blue_mask);
printf(" colormap_size: %d\n", vi->colormap_size);
printf(" bits_per_rgb : %d\n", vi->bits_per_rgb);
puts("}");
}
void print_info(Display* display) {
const int screen_num = DefaultScreen(display);
Colormap color_map = DefaultColormap(display, screen_num);
int default_depth = DefaultDepth(display, screen_num);
int depths_count = 0;
int* depths = XListDepths(display, screen_num, &depths_count);
if (depths == NULL) {
LOG_FATAL("XListDepths failed");
}
int cells = DisplayCells(display, screen_num);
int color_depth = DisplayPlanes(display, screen_num);
char* display_string = DisplayString(display);
int queue_length = QLength(display);
int screen_count = ScreenCount(display);
char* server_vendor = ServerVendor(display);
int vendor_release = VendorRelease(display);
printf("DefaultScreen : %d\n", screen_num);
printf("DefaultColormap: %lu\n", color_map);
printf("DefaultDepth : %d\n", default_depth);
printf("XListDepths : ");
for (int i = 0; i < depths_count; i++) {
printf("%d ", depths[i]);
}
puts("");
printf("DisplayCells : %d\n", cells);
printf("DisplayPlanes : %d\n", color_depth);
printf("DisplayString : %s\n", display_string);
printf("QLength : %d\n", queue_length);
printf("ScreenCount : %d\n", screen_count);
printf("ServerVendor : %s\n", server_vendor);
printf("VendorRelease : %d\n", vendor_release);
XFree(depths);
int d_supported_pixmap_formats_n = 0;
XPixmapFormatValues* d_supported_pixmap_formats = XListPixmapFormats(display, &d_supported_pixmap_formats_n);
if (d_supported_pixmap_formats == NULL) {
LOG_FATAL("XListPixmapFormats failed");
}
int img_byte_order = ImageByteOrder(display);
int bitmap_unit = XBitmapUnit(display);
int bitmap_bit_order = BitmapBitOrder(display);
int bitmap_pad = BitmapPad(display);
int s_height_px = DisplayHeight(display, screen_num);
int s_height_mm = DisplayHeightMM(display, screen_num);
int s_width_px = DisplayWidth(display, screen_num);
int s_width_mm = DisplayWidthMM(display, screen_num);
puts("");
printf("XListPixmapFormats (%d):\n", d_supported_pixmap_formats_n);
for (int i = 0; i < d_supported_pixmap_formats_n; i++) {
print_pixmap_format_values(d_supported_pixmap_formats + i);
}
printf("ImageByteOrder : %s\n", img_byte_order == LSBFirst ? "LSBFirst" : "MSBFirst");
printf("XBitmapUnit : %d\n", bitmap_unit);
printf("BitmapBitOrder : %s\n", bitmap_bit_order == LSBFirst ? "LSBFirst" : "MSBFirst");
printf("BitmapPad : %d\n", bitmap_pad);
printf("DisplayHeight (DefaultScreen): %d\n", s_height_px);
printf("DisplayHeightMM (DefaultScreen): %d\n", s_height_mm);
printf("DisplayWidth (DefaultScreen): %d\n", s_width_px);
printf("DisplayWidthMM (DefaultScreen): %d\n", s_width_mm);
XFree(d_supported_pixmap_formats);
Screen* screen = ScreenOfDisplay(display, screen_num);
unsigned long s_black_pixel = BlackPixelOfScreen(screen);
unsigned long s_white_pixel = WhitePixelOfScreen(screen);
int s_cells = CellsOfScreen(screen);
int s_default_depth = DefaultDepthOfScreen(screen);
int does_backing_store = DoesBackingStore(screen);
bool does_save_unders = DoesSaveUnders(screen);
int s_max_colormaps = MaxCmapsOfScreen(screen);
int s_min_colormaps = MinCmapsOfScreen(screen);
int s_planes_n = PlanesOfScreen(screen);
puts("\n(Default Screen)");
printf("BlackPixelOfScreen : %lu\n", s_black_pixel);
printf("WhitePixelOfScreen : %lu\n", s_white_pixel);
printf("CellsOfScreen : %d\n", s_cells);
printf("DefaultDepthOfScreen: %d\n", s_default_depth);
printf("DoesBackingStore : %s\n", does_backing_store == WhenMapped ? "WhenMapped" : (does_backing_store == NotUseful ? "NotUseful" : "Always"));
printf("DoesSaveUnders : %s\n", does_save_unders ? "true" : "false");
printf("MaxCmapsOfScreen : %d\n", s_max_colormaps);
printf("MinCmapsOfScreen : %d\n", s_min_colormaps);
printf("PlanesOfScreen : %d\n", s_planes_n);
puts("");
}
int main() {
printf("Hello linux\n");
Display* display = XOpenDisplay(NULL);
if (display == NULL) {
LOG_FATAL("XOpenDisplay failed.");
}
int err_base = 0;
int event_base = 0;
if (!glXQueryExtension(display, &err_base, &event_base)) {
LOG_FATALF(
"GLX extension not supported. err_base: %d, event_base: %d",
err_base,
event_base
);
}
int glx_major = 0;
int glx_minor = 0;
if (glXQueryVersion(display, &glx_major, &glx_minor)) {
printf("GLX Version %d.%d\n", glx_major, glx_minor);
if (glx_minor < 1) {
LOG_FATAL("GLX Version must be at least 1.1");
}
} else {
LOG_ERROR("glXQueryVersion failed");
}
const char* glx_extensions_c_str = glXQueryExtensionsString(display, DefaultScreen(display));
printf("glx_extensions_c_str: %s\n", glx_extensions_c_str);
DynString glx_extensions_str = DynString_alloc(glx_extensions_c_str, strlen(glx_extensions_c_str));
size_t glx_ext_n = 0;
DynString* glx_extensions = DynString_split(&glx_extensions_str, " ", &glx_ext_n);
printf("GLX extensions:\n");
for (size_t i = 0; i < glx_ext_n; i++) {
printf(" %s\n", DynString_c_str(glx_extensions + i));
}
// XVisualInfo visual_info = { 0 };
// Status xstatus = XMatchVisualInfo(display, DefaultScreen(display), 32, TrueColor, &visual_info);
// if (xstatus == 0) {
// LOG_FATAL("XMatchVisualInfo failed");
// }
// printf("Matched visual:\n");
// print_visual_info(&visual_info);
//
// Cursor cursor = XCreateFontCursor(display, XC_iron_cross);
// XSetWindowAttributes win_attr = {
// .background_pixel = 0x00000000,
// .border_pixel = 0xFF000000,
// .colormap = XCreateColormap(display, DefaultRootWindow(display), visual_info.visual, AllocNone),
// .event_mask = Expose,
// .backing_store = WhenMapped,
// .cursor = cursor,
// };
//
// Window window = XCreateWindow(
// display,
// DefaultRootWindow(display),
// 0,
// 0,
// PLTF_DEFAULT_WINDOW_WIDTH,
// PLTF_DEFAULT_WINDOW_HEIGHT,
// 0,
// visual_info.depth,
// InputOutput,
// visual_info.visual,
// CWBackPixel |
// CWBorderPixel |
// CWColormap |
// CWEventMask |
// CWBackingStore |
// CWCursor,
// &win_attr
// );
//
// XMapWindow(display, window);
//
// XFlush(display);
//
// pause();
//
// XDestroyWindow(display, window);
XCloseDisplay(display);
return 0;
}