mesa/src/libXvMC/tests/test_context.c

#include <assert.h>
#include <error.h>
#include "testlib.h"

int main(int argc, char **argv)
{
	const unsigned int	width = 16, height = 16;
	const unsigned int	mc_types[2] = {XVMC_MOCOMP | XVMC_MPEG_2, XVMC_IDCT | XVMC_MPEG_2};
	
	Display			*display;
	XvPortID		port_num;
	int			surface_type_id;
	unsigned int		is_overlay, intra_unsigned;
	int			colorkey;
	XvMCContext		context = {0};
	
	display = XOpenDisplay(NULL);
	
	if (!GetPort
	(
		display,
		width,
		height,
		XVMC_CHROMA_FORMAT_420,
    		mc_types,
    		2,
    		&port_num,
    		&surface_type_id,
    		&is_overlay,
    		&intra_unsigned
	))
	{
		XCloseDisplay(display);
		error(1, 0, "Error, unable to find a good port.\n");
	}
	
	if (is_overlay)
	{
		Atom xv_colorkey = XInternAtom(display, "XV_COLORKEY", 0);
		XvGetPortAttribute(display, port_num, xv_colorkey, &colorkey);
	}
	
	/* Note: XvMCBadContext not a valid return for XvMCCreateContext in the XvMC API, but openChrome driver returns it */
	/* Note: Nvidia binary driver segfaults on NULL context, halts with debug output on bad port */
	
	/* Test NULL context */
	assert(XvMCCreateContext(display, port_num, surface_type_id, width, height, XVMC_DIRECT, NULL) == XvMCBadContext);
	/* Test invalid port */
	assert(XvMCCreateContext(display, port_num + 1, surface_type_id, width, height, XVMC_DIRECT, &context) == XvBadPort);
	/* Test invalid surface */
	assert(XvMCCreateContext(display, port_num, surface_type_id + 1, width, height, XVMC_DIRECT, &context) == BadMatch);
	/* Test invalid flags */
	assert(XvMCCreateContext(display, port_num, surface_type_id, width, height, -1, &context) == BadValue);
	/* Test huge width */
	assert(XvMCCreateContext(display, port_num, surface_type_id, 16384, height, XVMC_DIRECT, &context) == BadValue);
	/* Test huge height */
	assert(XvMCCreateContext(display, port_num, surface_type_id, width, 16384, XVMC_DIRECT, &context) == BadValue);
	/* Test huge width & height */
	assert(XvMCCreateContext(display, port_num, surface_type_id, 16384, 16384, XVMC_DIRECT, &context) == BadValue);
	/* Test valid params */
	assert(XvMCCreateContext(display, port_num, surface_type_id, width, height, XVMC_DIRECT, &context) == Success);
	/* Test context id assigned */
	assert(context.context_id != 0);
	/* Test surface type id assigned and correct */
	assert(context.surface_type_id == surface_type_id);
	/* Test width & height assigned and correct */
	assert(context.width == width && context.height == height);
	/* Test port assigned and correct */
	assert(context.port == port_num);
	/* Test flags assigned and correct */
	assert(context.flags == XVMC_DIRECT);
	/* Test NULL context */
	assert(XvMCDestroyContext(display, NULL) == XvMCBadContext);
	/* Test valid params */
	assert(XvMCDestroyContext(display, &context) == Success);
	/* Test awkward but valid width */
	assert(XvMCCreateContext(display, port_num, surface_type_id, width + 1, height, XVMC_DIRECT, &context) == Success);
	assert(context.width >= width + 1);
	assert(XvMCDestroyContext(display, &context) == Success);
	/* Test awkward but valid height */
	assert(XvMCCreateContext(display, port_num, surface_type_id, width, height + 1, XVMC_DIRECT, &context) == Success);
	assert(context.height >= height + 1);
	assert(XvMCDestroyContext(display, &context) == Success);
	/* Test awkward but valid width & height */
	assert(XvMCCreateContext(display, port_num, surface_type_id, width + 1, height + 1, XVMC_DIRECT, &context) == Success);
	assert(context.width >= width + 1 && context.height >= height + 1);
	assert(XvMCDestroyContext(display, &context) == Success);
	
	XvUngrabPort(display, port_num, CurrentTime);
	XCloseDisplay(display);
	
	return 0;
}