xref: /xsrc/external/mit/xf86-video-intel-2014/dist/test/test_render.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/ipc.h>
#include <sys/shm.h>

#include "test.h"

const char *test_target_name(enum target target)
{
	switch (target) {
	default:
	case ROOT: return "root";
	case CHILD: return "child";
	case PIXMAP: return "pixmap";
	}
}

void test_target_create_render(struct test_display *dpy,
			       enum target target,
			       struct test_target *tt)
{
	XSetWindowAttributes attr;
	XGCValues gcv;

	tt->dpy = dpy;
	tt->target = target;

	tt->draw = dpy->root;
	tt->format = dpy->format;
	tt->width = dpy->width;
	tt->height = dpy->height;
	tt->depth = dpy->depth;

	switch (target) {
	case ROOT:
		break;

	case CHILD:
		attr.override_redirect = 1;
		tt->width /= 4;
		tt->height /= 4;
		tt->draw = XCreateWindow(dpy->dpy, tt->draw,
					 dpy->width/2, dpy->height/2,
					 tt->width, tt->height,
					 0, tt->format->depth,
					 InputOutput,
					 DefaultVisual(dpy->dpy,
						       DefaultScreen(dpy->dpy)),
					 CWOverrideRedirect, &attr);
		XMapWindow(dpy->dpy, tt->draw);
		break;

	case PIXMAP:
		tt->format = XRenderFindStandardFormat(dpy->dpy, PictStandardARGB32);
		tt->draw = XCreatePixmap(dpy->dpy, tt->draw,
					 dpy->width, dpy->height,
					 tt->format->depth);
		tt->depth = 32;
		break;
	}

	tt->picture =
		XRenderCreatePicture(dpy->dpy, tt->draw, tt->format, 0, NULL);

	gcv.graphics_exposures = 0;
	tt->gc = XCreateGC(dpy->dpy, tt->draw, GCGraphicsExposures, &gcv);
}

void test_target_destroy_render(struct test_display *dpy,
				struct test_target *tt)
{
	XRenderFreePicture(dpy->dpy, tt->picture);
	switch (tt->target) {
	case ROOT:
		break;
	case CHILD:
		XDestroyWindow(dpy->dpy, tt->draw);
		break;
	case PIXMAP:
		XFreePixmap(dpy->dpy, tt->draw);
		break;
	}
}

#if 0
static int random_bool(void)
{
	return rand() > RAND_MAX/2;
}

static Picture create_alpha_map(void)
{
	return 0;
}

static Pixmap create_clip_mask(void)
{
	return 0;
}

unsigned int test_render_randomize_picture_attributes(XRenderPictureAttributes *pa)
{
	unsigned int flags = 0;

	memset(pa, 0, sizeof(*pa));

	if (random_bool()) {
		pa->repeat = repeat_modes[rand() % ARRAY_SIZE(repeat_modes)];
		flags |= CPRepeat;

	}

	if (random_bool()) {
		pa->alpha_map = create_alpha_map();
		pa->alpha_x_origin = rand() % 1024;
		pa->alpha_y_origin = rand() % 1024;
		flags |= CPAlphaMap;
	}

	if (random_bool()) {
		pa->clip_mask = create_clip_mask();
		pa->clip_x_orgin = rand() % 1024;
		pa->clip_y_orgin = rand() % 1024;
		flags |= CPClipMask;
	}

	if (random_bool()) {
		pa->subwindow_mode = random_bool();
		flags |= CPSubwindowMode;
	}

	if (random_bool()) {
		pa->poly_edge = random_bool();
		flags |= CPPolyEdge;
	}

	if (random_bool()) {
		pa->poly_mode = random_bool();
		flags |= CPPolyMode;
	}

	if (random_bool()) {
		pa->component_alpha = random_bool();
		flags |= CPComponentAlpha;
	}

	return flags;
}
#endif