Exemplos de destructive_merge_instructions em C++ (Cpp)

Exemplo n.º 1

Arquivo: radeon_pair_schedule.c Projeto: Bluerise/bitrig-xenocara

/**
 * Try to merge the given instructions into the rgb instructions.
 *
 * Return true on success; on failure, return false, and keep
 * the instructions untouched.
 */
static int merge_instructions(struct rc_pair_instruction * rgb, struct rc_pair_instruction * alpha)
{
	struct rc_pair_instruction backup;

	/*Instructions can't write output registers and ALU result at the
	 * same time. */
	if ((rgb->WriteALUResult && alpha->Alpha.OutputWriteMask)
		|| (rgb->RGB.OutputWriteMask && alpha->WriteALUResult)) {
		return 0;
	}

	/* Writing output registers in the middle of shaders is slow, so
	 * we don't want to pair output writes with temp writes. */
	if ((rgb->RGB.OutputWriteMask && !alpha->Alpha.OutputWriteMask)
		|| (!rgb->RGB.OutputWriteMask && alpha->Alpha.OutputWriteMask)) {
		return 0;
	}

	memcpy(&backup, rgb, sizeof(struct rc_pair_instruction));

	if (destructive_merge_instructions(rgb, alpha))
		return 1;

	memcpy(rgb, &backup, sizeof(struct rc_pair_instruction));
	return 0;
}

Exemplo n.º 2

/**
 * Try to merge the given instructions into the rgb instructions.
 *
 * Return true on success; on failure, return false, and keep
 * the instructions untouched.
 */
static int merge_instructions(struct rc_pair_instruction * rgb, struct rc_pair_instruction * alpha)
{
	struct rc_pair_instruction backup;

	/*Instructions can't write output registers and ALU result at the
	 * same time. */
	if ((rgb->WriteALUResult && alpha->Alpha.OutputWriteMask)
		|| (rgb->RGB.OutputWriteMask && alpha->WriteALUResult)) {
		return 0;
	}
	memcpy(&backup, rgb, sizeof(struct rc_pair_instruction));

	if (destructive_merge_instructions(rgb, alpha))
		return 1;

	memcpy(rgb, &backup, sizeof(struct rc_pair_instruction));
	return 0;
}